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<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of online_gc at Beromünster (CH0053R)" />
  <attribute name="keywords" value="mass_concentration_of_1-3-butadiene_in_air, mass_concentration_of_n-hexane_in_air, mole_fraction_of_propane_in_air, mass_concentration_of_isoprene_in_air, propane, mole_fraction_of_alpha-pinene_in_air, air, butanone, alpha-pinene, n-hexane, mole_fraction_of_2_methylbutane_in_air, mole_fraction_of_butanone_in_air, n-pentane, mole_fraction_of_ethane_in_air, isoheptanes, mass_concentration_of_butanone_in_air, Beromünster, ethene, mole_fraction_of_butane_in_air, m-p-xylene, acetonitrile, methanol, mole_fraction_of_isoprene_in_air, mole_fraction_of_hexane_in_air, limonene, ethanol, mass_concentration_of_ethanal_in_air, GAW-WDCRG, mass_concentration_of_ethanol_in_air, propene, toluene, ethanal, mole_fraction_of_13_butadiene_in_air, mole_fraction_of_2_methylpropane_in_air, isoprene, n-butane, propanone, mass_concentration_of_2-methylbutane_in_air, mole_fraction_of_ethylbenzene_in_air, isohexanes, mass_concentration_of_n-pentane_in_air, mole_fraction_of_propanone_in_air, mole_fraction_of_ethanol_in_air, mole_fraction_of_o-xylene_in_air, ACTRIS, ethylbenzene, mole_fraction_of_benzene_in_air, 2-methylbutane, mole_fraction_of_o_xylene_in_air, mole_fraction_of_n-propanol_in_air, mass_concentration_of_propanol_in_air, 2-methylpropane, EMEP, mole_fraction_of_ethene_in_air, mass_concentration_of_n-butane_in_air, ethane, CH0053R, mole_fraction_of_ethanal_in_air, mole_fraction_of_ethyne_in_air, mole_fraction_of_m_p_xylene_in_air, mole_fraction_of_limonene_in_air, mass_concentration_of_propanone_in_air, 1-3-butadiene, mole_fraction_of_aceto_nitrile_in_air, ethyne, mole_fraction_of_toluene_in_air, o-xylene, mole_fraction_of_m-p-xylene_in_air, benzene, mole_fraction_of_methanol_in_air, mole_fraction_of_pentane_in_air, n-propanol, mole_fraction_of_alpha_pinene_in_air, mole_fraction_of_propene_in_air" />
  <attribute name="id" value="7QA6-889V.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCRG" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/7QA6-889V" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, 1-3-butadiene, 2-methylbutane, 2-methylpropane, acetonitrile, alpha-pinene, benzene, butanone, ethanal, ethane, ethanol, ethene, ethylbenzene, ethyne, isoheptanes, isohexanes, isoprene, limonene, m-p-xylene, methanol, n-butane, n-hexane, n-pentane, n-propanol, o-xylene, propane, propanone, propene, toluene - online_gc at Beromünster, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/7QA6-889V" />
  <attribute name="summary" value="Ground based in situ observations of online_gc at Beromünster (CH0053R). These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: 1-3-butadiene in air (mass_concentration_of_1-3-butadiene_in_air), 1-3-butadiene in air (mole_fraction_of_13_butadiene_in_air), 1-3-butadiene in air (mass_concentration_of_1-3-butadiene_in_air), 1-3-butadiene in air (mole_fraction_of_13_butadiene_in_air), 1-3-butadiene in air (mass_concentration_of_1-3-butadiene_in_air), 1-3-butadiene in air (mole_fraction_of_13_butadiene_in_air), 2-methylbutane in air (mass_concentration_of_2-methylbutane_in_air), 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylbutane in air (mass_concentration_of_2-methylbutane_in_air), 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylbutane in air (mass_concentration_of_2-methylbutane_in_air), 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), acetonitrile in air (mole_fraction_of_aceto_nitrile_in_air), acetonitrile in air (mole_fraction_of_aceto_nitrile_in_air), acetonitrile in air (mole_fraction_of_aceto_nitrile_in_air), alpha-pinene in air (mole_fraction_of_alpha-pinene_in_air), alpha-pinene in air (mole_fraction_of_alpha_pinene_in_air), alpha-pinene in air (mole_fraction_of_alpha-pinene_in_air), alpha-pinene in air (mole_fraction_of_alpha_pinene_in_air), alpha-pinene in air (mole_fraction_of_alpha-pinene_in_air), alpha-pinene in air (mole_fraction_of_alpha_pinene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), butanone in air (mole_fraction_of_butanone_in_air), butanone in air (mass_concentration_of_butanone_in_air), butanone in air (mole_fraction_of_butanone_in_air), butanone in air (mass_concentration_of_butanone_in_air), butanone in air (mole_fraction_of_butanone_in_air), butanone in air (mass_concentration_of_butanone_in_air), ethanal in air (mole_fraction_of_ethanal_in_air), ethanal in air (mass_concentration_of_ethanal_in_air), ethanal in air (mole_fraction_of_ethanal_in_air), ethanal in air (mass_concentration_of_ethanal_in_air), ethanal in air (mole_fraction_of_ethanal_in_air), ethanal in air (mass_concentration_of_ethanal_in_air), ethane in air (mole_fraction_of_ethane_in_air), ethane in air (mole_fraction_of_ethane_in_air), ethane in air (mole_fraction_of_ethane_in_air), ethanol in air (mole_fraction_of_ethanol_in_air), ethanol in air (mass_concentration_of_ethanol_in_air), ethanol in air (mole_fraction_of_ethanol_in_air), ethanol in air (mass_concentration_of_ethanol_in_air), ethanol in air (mole_fraction_of_ethanol_in_air), ethanol in air (mass_concentration_of_ethanol_in_air), ethene in air (mole_fraction_of_ethene_in_air), ethene in air (mole_fraction_of_ethene_in_air), ethene in air (mole_fraction_of_ethene_in_air), ethylbenzene in air (mole_fraction_of_ethylbenzene_in_air), ethylbenzene in air (mole_fraction_of_ethylbenzene_in_air), ethylbenzene in air (mole_fraction_of_ethylbenzene_in_air), ethylbenzene in air (mole_fraction_of_ethylbenzene_in_air), ethylbenzene in air (mole_fraction_of_ethylbenzene_in_air), ethylbenzene in air (mole_fraction_of_ethylbenzene_in_air), ethyne in air (mole_fraction_of_ethyne_in_air), ethyne in air (mole_fraction_of_ethyne_in_air), ethyne in air (mole_fraction_of_ethyne_in_air), isoheptanes in air, isoheptanes in air, isoheptanes in air, isohexanes in air, isohexanes in air, isohexanes in air, isoprene in air (mass_concentration_of_isoprene_in_air), isoprene in air (mole_fraction_of_isoprene_in_air), isoprene in air (mass_concentration_of_isoprene_in_air), isoprene in air (mole_fraction_of_isoprene_in_air), isoprene in air (mass_concentration_of_isoprene_in_air), isoprene in air (mole_fraction_of_isoprene_in_air), limonene in air (mole_fraction_of_limonene_in_air), limonene in air (mole_fraction_of_limonene_in_air), limonene in air (mole_fraction_of_limonene_in_air), limonene in air (mole_fraction_of_limonene_in_air), limonene in air (mole_fraction_of_limonene_in_air), limonene in air (mole_fraction_of_limonene_in_air), m-p-xylene in air (mole_fraction_of_m-p-xylene_in_air), m-p-xylene in air (mole_fraction_of_m_p_xylene_in_air), m-p-xylene in air (mole_fraction_of_m-p-xylene_in_air), m-p-xylene in air (mole_fraction_of_m_p_xylene_in_air), m-p-xylene in air (mole_fraction_of_m-p-xylene_in_air), m-p-xylene in air (mole_fraction_of_m_p_xylene_in_air), methanol in air (mole_fraction_of_methanol_in_air), methanol in air (mole_fraction_of_methanol_in_air), methanol in air (mole_fraction_of_methanol_in_air), n-butane in air (mass_concentration_of_n-butane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-butane in air (mass_concentration_of_n-butane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-butane in air (mass_concentration_of_n-butane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-hexane in air (mass_concentration_of_n-hexane_in_air), n-hexane in air (mole_fraction_of_hexane_in_air), n-hexane in air (mass_concentration_of_n-hexane_in_air), n-hexane in air (mole_fraction_of_hexane_in_air), n-hexane in air (mass_concentration_of_n-hexane_in_air), n-hexane in air (mole_fraction_of_hexane_in_air), n-pentane in air (mass_concentration_of_n-pentane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-pentane in air (mass_concentration_of_n-pentane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-pentane in air (mass_concentration_of_n-pentane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-propanol in air (mole_fraction_of_n-propanol_in_air), n-propanol in air (mass_concentration_of_propanol_in_air), n-propanol in air (mole_fraction_of_n-propanol_in_air), n-propanol in air (mass_concentration_of_propanol_in_air), n-propanol in air (mole_fraction_of_n-propanol_in_air), n-propanol in air (mass_concentration_of_propanol_in_air), o-xylene in air (mole_fraction_of_o-xylene_in_air), o-xylene in air (mole_fraction_of_o_xylene_in_air), o-xylene in air (mole_fraction_of_o-xylene_in_air), o-xylene in air (mole_fraction_of_o_xylene_in_air), o-xylene in air (mole_fraction_of_o-xylene_in_air), o-xylene in air (mole_fraction_of_o_xylene_in_air), propane in air (mole_fraction_of_propane_in_air), propane in air (mole_fraction_of_propane_in_air), propane in air (mole_fraction_of_propane_in_air), propanone in air (mole_fraction_of_propanone_in_air), propanone in air (mass_concentration_of_propanone_in_air), propanone in air (mole_fraction_of_propanone_in_air), propanone in air (mass_concentration_of_propanone_in_air), propanone in air (mole_fraction_of_propanone_in_air), propanone in air (mass_concentration_of_propanone_in_air), propene in air (mole_fraction_of_propene_in_air), propene in air (mole_fraction_of_propene_in_air), propene in air (mole_fraction_of_propene_in_air), toluene in air (mole_fraction_of_toluene_in_air), toluene in air (mole_fraction_of_toluene_in_air), toluene in air (mole_fraction_of_toluene_in_air), toluene in air (mole_fraction_of_toluene_in_air), toluene in air (mole_fraction_of_toluene_in_air), toluene in air (mole_fraction_of_toluene_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, 8600, Dübendorf, Switzerland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2021-03-01T10:59:36 UTC" />
  <attribute name="date_metadata_modified" value="2021-03-01T10:59:36 UTC" />
  <attribute name="creator_name" value="Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="matthias.hill@empa.ch, , matthias.hill@empa.ch, " />
  <attribute name="creator_institution" value="&quot;Swiss Federal Laboratories for Materials Science and Technology, Air Pollution/Environmental Technology, Empa&quot;, , &quot;Swiss Federal Laboratories for Materials Science and Technology, Air Pollution/Environmental Technology, Empa&quot;, " />
  <attribute name="contributor_name" value="Matz Hill, Matz Hill" />
  <attribute name="contributor_role" value="data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (47.18961391 8.175433684 802.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="47.18961391" />
  <attribute name="geospatial_lat_max" type="double" value="47.18961391" />
  <attribute name="geospatial_lon_min" type="double" value="8.175433684" />
  <attribute name="geospatial_lon_max" type="double" value="8.175433684" />
  <attribute name="geospatial_vertical_min" type="double" value="802.0" />
  <attribute name="geospatial_vertical_max" type="double" value="802.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2019-01-01T00:08:00 UTC" />
  <attribute name="time_coverage_end" value="2020-05-25T03:20:00 UTC" />
  <attribute name="time_coverage_duration" value="P0001-04-24T03:12:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, 1-3-butadiene, 2-methylbutane, 2-methylpropane, acetonitrile, alpha-pinene, benzene, butanone, ethanal, ethane, ethanol, ethene, ethylbenzene, ethyne, isoheptanes, isohexanes, isoprene, limonene, m-p-xylene, methanol, n-butane, n-hexane, n-pentane, n-propanol, o-xylene, propane, propanone, propene, toluene - online_gc at Beromünster, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/7QA6-889V" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="7QA6-889V.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/7QA6-889V" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/7QA6-889V" />
  <attribute name="ebas_file_creation" value="2023-12-16T16:44:33.991767 UTC" />
  <attribute name="ebas_export_state" value="2020-05-28T08:48:46.790000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20190101000800" />
  <attribute name="ebas_revision_date" value="20210301105936" />
  <attribute name="ebas_version_description" value="manually inspected" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="73w" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="12mn" />
  <attribute name="ebas_orig_time_res" value="12mn" />
  <attribute name="ebas_station_code" value="CH0053R" />
  <attribute name="ebas_platform_code" value="CH0053S" />
  <attribute name="ebas_station_name" value="Beromünster" />
  <attribute name="ebas_station_gaw_id" value="BRM" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_wmo_region" value="7" />
  <attribute name="ebas_station_latitude" value="47.18961391" />
  <attribute name="ebas_station_longitude" value="8.175433684" />
  <attribute name="ebas_station_altitude" value="797.0 m" />
  <attribute name="ebas_measurement_altitude" value="802.0 m" />
  <attribute name="ebas_measurement_height" value="5.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="CH01L" />
  <attribute name="ebas_instrument_type" value="online_gc" />
  <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
  <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
  <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
  <attribute name="ebas_instrument_serial_number" value="cn13283047" />
  <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
  <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
  <attribute name="ebas_calibration_scale" value="NPL" />
  <attribute name="ebas_calibration_standard_id" value="D386648" />
  <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
  <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
  <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
  <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="Reimann, Stefan, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Hill, Matz, matthias.hill@empa.ch, Swiss Federal Laboratories for Materials Science and Technology, Empa, Air Pollution/Environmental Technology, Ueberlandstrasse 129, , CH-8600, Duebendorf, Switzerland" />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, 1-3-butadiene, 2-methylbutane, 2-methylpropane, acetonitrile, alpha-pinene, benzene, butanone, ethanal, ethane, ethanol, ethene, ethylbenzene, ethyne, isoheptanes, isohexanes, isoprene, limonene, m-p-xylene, methanol, n-butane, n-hexane, n-pentane, n-propanol, o-xylene, propane, propanone, propene, toluene - online_gc at Beromünster, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/7QA6-889V&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;7QA6-889V.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/7QA6-889V&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/7QA6-889V&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-16T16:44:33.991767 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2020-05-28T08:48:46.790000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20190101000800&quot;,&#xA;    &quot;Revision date&quot;: &quot;20210301105936&quot;,&#xA;    &quot;Version description&quot;: &quot;manually inspected&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;73w&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;12mn&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;12mn&quot;,&#xA;    &quot;Station code&quot;: &quot;CH0053R&quot;,&#xA;    &quot;Platform code&quot;: &quot;CH0053S&quot;,&#xA;    &quot;Station name&quot;: &quot;Beromünster&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;BRM&quot;,&#xA;    &quot;Station land use&quot;: &quot;Agricultural&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;7&quot;,&#xA;    &quot;Station latitude&quot;: &quot;47.18961391&quot;,&#xA;    &quot;Station longitude&quot;: &quot;8.175433684&quot;,&#xA;    &quot;Station altitude&quot;: &quot;797.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;802.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;5.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;CH01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;online_gc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Agilent_MARKES-GC-FID_cn13283047_BRM&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;MARKES+MARKES+Agilent&quot;,&#xA;    &quot;Instrument model&quot;: &quot;Air Server+UNITY2+7890A GC/FID&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;cn13283047&quot;,&#xA;    &quot;Method ref&quot;: &quot;CH01L_MARES_GC_FID_VOCAIR_BRM&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=ACTRIS_VOC_2014&quot;,&#xA;    &quot;Calibration scale&quot;: &quot;NPL&quot;,&#xA;    &quot;Calibration standard ID&quot;: &quot;D386648&quot;,&#xA;    &quot;Secondary standard ID&quot;: &quot;Duebendorf air; RIX-filling; D641650&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments.&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by integration of a baseline signal multiplied by a factor of 3&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;Includes reproducibility (precision) + systematic errors (accuracy)&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;Organization&quot;: &quot;CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, EMEP, GAW-WDCRG&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases&quot;,&#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, kt@nilu.no, kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Reimann, Stefan, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Hill, Matz, matthias.hill@empa.ch, Swiss Federal Laboratories for Materials Science and Technology, Empa, Air Pollution/Environmental Technology, Ueberlandstrasse 129, , CH-8600, Duebendorf, Switzerland&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;&#xA;}" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.41. Detection limit converted from '2.0 pmol/mol' to '5.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.41." />
  </variable>
  <variable name="1-3-butadiene_ng_per_m3_amean_qc" shape="1-3-butadiene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="1-3-butadiene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="1-3-butadiene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_13_butadiene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="1-3-butadiene_pmol_per_mol_amean_qc 1-3-butadiene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-3-butadiene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="2.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="1-3-butadiene_pmol_per_mol_amean_qc" shape="1-3-butadiene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="1-3-butadiene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="1-3-butadiene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_1-3-butadiene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="1-3-butadiene_ng_per_m3_ExpUnc2s_qc 1-3-butadiene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-3-butadiene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.413." />
  </variable>
  <variable name="1-3-butadiene_ng_per_m3_ExpUnc2s_qc" shape="1-3-butadiene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="1-3-butadiene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="1-3-butadiene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_13_butadiene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="1-3-butadiene_pmol_per_mol_ExpUnc2s_qc 1-3-butadiene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-3-butadiene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="1-3-butadiene_pmol_per_mol_ExpUnc2s_qc" shape="1-3-butadiene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="1-3-butadiene_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="1-3-butadiene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_1-3-butadiene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="1-3-butadiene_ng_per_m3_precision_qc 1-3-butadiene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-3-butadiene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.413." />
  </variable>
  <variable name="1-3-butadiene_ng_per_m3_precision_qc" shape="1-3-butadiene_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="1-3-butadiene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="1-3-butadiene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_13_butadiene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="1-3-butadiene_pmol_per_mol_precision_qc 1-3-butadiene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-3-butadiene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="1-3-butadiene_pmol_per_mol_precision_qc" shape="1-3-butadiene_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="1-3-butadiene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylbutane_ng_per_m3_amean_qc 2-methylbutane_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="6.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.22. Detection limit converted from '2.0 pmol/mol' to '6.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.22." />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_amean_qc" shape="2-methylbutane_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylbutane_pmol_per_mol_amean_qc 2-methylbutane_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="2.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_amean_qc" shape="2-methylbutane_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylbutane_ng_per_m3_ExpUnc2s_qc 2-methylbutane_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.219." />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_ExpUnc2s_qc" shape="2-methylbutane_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylbutane_pmol_per_mol_ExpUnc2s_qc 2-methylbutane_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_ExpUnc2s_qc" shape="2-methylbutane_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylbutane_ng_per_m3_precision_qc 2-methylbutane_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.219." />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_precision_qc" shape="2-methylbutane_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylbutane_pmol_per_mol_precision_qc 2-methylbutane_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_precision_qc" shape="2-methylbutane_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylpropane_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylpropane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylpropane_amean_qc 2-methylpropane_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpropane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="2.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="2-methylpropane_amean_qc" shape="2-methylpropane_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylpropane_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylpropane_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylpropane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylpropane_ExpUnc2s_qc 2-methylpropane_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpropane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="2-methylpropane_ExpUnc2s_qc" shape="2-methylpropane_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylpropane_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylpropane_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylpropane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylpropane_precision_qc 2-methylpropane_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpropane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="2-methylpropane_precision_qc" shape="2-methylpropane_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylpropane_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="acetonitrile_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_aceto_nitrile_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="acetonitrile_amean_qc acetonitrile_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="acetonitrile" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="25.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="acetonitrile_amean_qc" shape="acetonitrile_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="acetonitrile_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="acetonitrile_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_aceto_nitrile_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="acetonitrile_ExpUnc2s_qc acetonitrile_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="acetonitrile" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="acetonitrile_ExpUnc2s_qc" shape="acetonitrile_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="acetonitrile_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="acetonitrile_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_aceto_nitrile_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="acetonitrile_precision_qc acetonitrile_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="acetonitrile" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="acetonitrile_precision_qc" shape="acetonitrile_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="acetonitrile_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="alpha-pinene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_alpha-pinene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="alpha-pinene_ng_per_m3_amean_qc alpha-pinene_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="alpha-pinene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="18.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08. Detection limit converted from '3.0 pmol/mol' to '18.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08." />
  </variable>
  <variable name="alpha-pinene_ng_per_m3_amean_qc" shape="alpha-pinene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="alpha-pinene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="alpha-pinene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_alpha_pinene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="alpha-pinene_pmol_per_mol_amean_qc alpha-pinene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="alpha-pinene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="3.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="alpha-pinene_pmol_per_mol_amean_qc" shape="alpha-pinene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="alpha-pinene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="alpha-pinene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_alpha-pinene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="alpha-pinene_ng_per_m3_ExpUnc2s_qc alpha-pinene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="alpha-pinene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08." />
  </variable>
  <variable name="alpha-pinene_ng_per_m3_ExpUnc2s_qc" shape="alpha-pinene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="alpha-pinene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="alpha-pinene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_alpha_pinene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="alpha-pinene_pmol_per_mol_ExpUnc2s_qc alpha-pinene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="alpha-pinene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="alpha-pinene_pmol_per_mol_ExpUnc2s_qc" shape="alpha-pinene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="alpha-pinene_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="alpha-pinene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_alpha-pinene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="alpha-pinene_ng_per_m3_precision_qc alpha-pinene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="alpha-pinene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08." />
  </variable>
  <variable name="alpha-pinene_ng_per_m3_precision_qc" shape="alpha-pinene_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="alpha-pinene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="alpha-pinene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_alpha_pinene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="alpha-pinene_pmol_per_mol_precision_qc alpha-pinene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="alpha-pinene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="alpha-pinene_pmol_per_mol_precision_qc" shape="alpha-pinene_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="alpha-pinene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzene_ng_per_m3_amean_qc benzene_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="7.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.49. Detection limit converted from '2.0 pmol/mol' to '7.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.49." />
  </variable>
  <variable name="benzene_ng_per_m3_amean_qc" shape="benzene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="benzene_pmol_per_mol_amean_qc benzene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="2.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="benzene_pmol_per_mol_amean_qc" shape="benzene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzene_ng_per_m3_ExpUnc2s_qc benzene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.485." />
  </variable>
  <variable name="benzene_ng_per_m3_ExpUnc2s_qc" shape="benzene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="benzene_pmol_per_mol_ExpUnc2s_qc benzene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="benzene_pmol_per_mol_ExpUnc2s_qc" shape="benzene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzene_ng_per_m3_precision_qc benzene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.485." />
  </variable>
  <variable name="benzene_ng_per_m3_precision_qc" shape="benzene_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="benzene_pmol_per_mol_precision_qc benzene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="benzene_pmol_per_mol_precision_qc" shape="benzene_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="benzene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="butanone_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butanone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="butanone_pmol_per_mol_amean_qc butanone_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="butanone" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="8.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'pmol/mol', conversion factor 310.841. Detection limit converted from '0.0257 ug/m3' at 273.15 K, 1013.25 hPa to '8.0 pmol/mol', conversion factor 310.841." />
  </variable>
  <variable name="butanone_pmol_per_mol_amean_qc" shape="butanone_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="butanone_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="butanone_ug_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_butanone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="butanone_ug_per_m3_amean_qc butanone_ug_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="butanone" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.0257 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy" />
  </variable>
  <variable name="butanone_ug_per_m3_amean_qc" shape="butanone_ug_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="butanone_ug_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="butanone_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butanone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="butanone_pmol_per_mol_ExpUnc2s_qc butanone_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="butanone" />
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    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
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    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
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    <attribute name="ebas_calibration_scale" value="NPL" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'pmol/mol', conversion factor 310.84144." />
  </variable>
  <variable name="butanone_pmol_per_mol_ExpUnc2s_qc" shape="butanone_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="units" value="1" />
    <attribute name="standard_name" value="status_flag" />
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  </variable>
  <variable name="butanone_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="butanone_ug_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_butanone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="butanone_ug_per_m3_ExpUnc2s_qc butanone_ug_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="butanone" />
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    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
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    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy" />
  </variable>
  <variable name="butanone_ug_per_m3_ExpUnc2s_qc" shape="butanone_ug_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="butanone_ug_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="butanone_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butanone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="butanone_pmol_per_mol_precision_qc butanone_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="butanone" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'pmol/mol', conversion factor 310.84144." />
  </variable>
  <variable name="butanone_pmol_per_mol_precision_qc" shape="butanone_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="butanone_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="butanone_ug_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_butanone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="butanone_ug_per_m3_precision_qc butanone_ug_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="butanone" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy" />
  </variable>
  <variable name="butanone_ug_per_m3_precision_qc" shape="butanone_ug_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="butanone_ug_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanal_nmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethanal_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="ethanal_nmol_per_mol_amean_qc ethanal_nmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanal" />
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    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
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    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
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    <attribute name="ebas_calibration_standard_id" value="D386648" />
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    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.50879. Detection limit converted from '0.0472 ug/m3' at 273.15 K, 1013.25 hPa to '0.024 nmol/mol', conversion factor 0.50879." />
  </variable>
  <variable name="ethanal_nmol_per_mol_amean_qc" shape="ethanal_nmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="units" value="1" />
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  <variable name="ethanal_nmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanal_ug_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ethanal_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ethanal_ug_per_m3_amean_qc ethanal_ug_per_m3_amean_ebasmetadata" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanal" />
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    <attribute name="ebas_laboratory_code" value="CH01L" />
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    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
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    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
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    <attribute name="ebas_calibration_standard_id" value="D386648" />
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    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
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  </variable>
  <variable name="ethanal_ug_per_m3_amean_qc" shape="ethanal_ug_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="ethanal_ug_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanal_nmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethanal_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
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    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
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    <attribute name="ebas_component" value="ethanal" />
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    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.5087909." />
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    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethane_amean_qc" shape="ethane_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethane_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethane_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethane_ExpUnc2s_qc ethane_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethane_ExpUnc2s_qc" shape="ethane_ExpUnc2s_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="ethane_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethane_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethane_precision_qc ethane_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethane_precision_qc" shape="ethane_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethane_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanol_nmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="ethanol_nmol_per_mol_amean_qc ethanol_nmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanol" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="0.008 nmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.486526. Detection limit converted from '0.0164 ug/m3' at 273.15 K, 1013.25 hPa to '0.008 nmol/mol', conversion factor 0.486526." />
  </variable>
  <variable name="ethanol_nmol_per_mol_amean_qc" shape="ethanol_nmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="ethanol_nmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanol_ug_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ethanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ethanol_ug_per_m3_amean_qc ethanol_ug_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanol" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.0164 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy" />
  </variable>
  <variable name="ethanol_ug_per_m3_amean_qc" shape="ethanol_ug_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethanol_ug_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanol_nmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="ethanol_nmol_per_mol_ExpUnc2s_qc ethanol_nmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanol" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.48652616." />
  </variable>
  <variable name="ethanol_nmol_per_mol_ExpUnc2s_qc" shape="ethanol_nmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="ethanol_nmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanol_ug_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ethanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ethanol_ug_per_m3_ExpUnc2s_qc ethanol_ug_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanol" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy" />
  </variable>
  <variable name="ethanol_ug_per_m3_ExpUnc2s_qc" shape="ethanol_ug_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethanol_ug_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanol_nmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="ethanol_nmol_per_mol_precision_qc ethanol_nmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanol" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.48652616." />
  </variable>
  <variable name="ethanol_nmol_per_mol_precision_qc" shape="ethanol_nmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="units" value="1" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="ethanol_nmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanol_ug_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ethanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ethanol_ug_per_m3_precision_qc ethanol_ug_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanol" />
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    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
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    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy" />
  </variable>
  <variable name="ethanol_ug_per_m3_precision_qc" shape="ethanol_ug_per_m3_precision_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="ethanol_ug_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethene_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethene_amean_qc ethene_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="6.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethene_amean_qc" shape="ethene_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethene_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethene_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethene_ExpUnc2s_qc ethene_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethene_ExpUnc2s_qc" shape="ethene_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethene_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethene_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethene_precision_qc ethene_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethene_precision_qc" shape="ethene_precision_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="ethene_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethylbenzene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethylbenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="ethylbenzene_ng_per_m3_amean_qc ethylbenzene_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethylbenzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="14.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74. Detection limit converted from '3.0 pmol/mol' to '14.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
  </variable>
  <variable name="ethylbenzene_ng_per_m3_amean_qc" shape="ethylbenzene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethylbenzene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethylbenzene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethylbenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethylbenzene_pmol_per_mol_amean_qc ethylbenzene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethylbenzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="3.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethylbenzene_pmol_per_mol_amean_qc" shape="ethylbenzene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethylbenzene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethylbenzene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethylbenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="ethylbenzene_ng_per_m3_ExpUnc2s_qc ethylbenzene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethylbenzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737." />
  </variable>
  <variable name="ethylbenzene_ng_per_m3_ExpUnc2s_qc" shape="ethylbenzene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="ethylbenzene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethylbenzene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethylbenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethylbenzene_pmol_per_mol_ExpUnc2s_qc ethylbenzene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethylbenzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethylbenzene_pmol_per_mol_ExpUnc2s_qc" shape="ethylbenzene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethylbenzene_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethylbenzene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethylbenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="ethylbenzene_ng_per_m3_precision_qc ethylbenzene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethylbenzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737." />
  </variable>
  <variable name="ethylbenzene_ng_per_m3_precision_qc" shape="ethylbenzene_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethylbenzene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethylbenzene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethylbenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethylbenzene_pmol_per_mol_precision_qc ethylbenzene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethylbenzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethylbenzene_pmol_per_mol_precision_qc" shape="ethylbenzene_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethylbenzene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethyne_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethyne_amean_qc ethyne_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethyne" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="4.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethyne_amean_qc" shape="ethyne_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethyne_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethyne_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethyne_ExpUnc2s_qc ethyne_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethyne" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethyne_ExpUnc2s_qc" shape="ethyne_ExpUnc2s_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethyne_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethyne_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethyne_precision_qc ethyne_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethyne" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="ethyne_precision_qc" shape="ethyne_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethyne_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isoheptanes_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="isoheptanes_amean_qc isoheptanes_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoheptanes" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="4.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="isoheptanes_amean_qc" shape="isoheptanes_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isoheptanes_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isoheptanes_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="isoheptanes_ExpUnc2s_qc isoheptanes_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoheptanes" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="isoheptanes_ExpUnc2s_qc" shape="isoheptanes_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isoheptanes_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isoheptanes_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="isoheptanes_precision_qc isoheptanes_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoheptanes" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="isoheptanes_precision_qc" shape="isoheptanes_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isoheptanes_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isohexanes_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="isohexanes_amean_qc isohexanes_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isohexanes" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="5.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="isohexanes_amean_qc" shape="isohexanes_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isohexanes_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isohexanes_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="isohexanes_ExpUnc2s_qc isohexanes_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isohexanes" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="isohexanes_ExpUnc2s_qc" shape="isohexanes_ExpUnc2s_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isohexanes_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isohexanes_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="isohexanes_precision_qc isohexanes_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isohexanes" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="isohexanes_precision_qc" shape="isohexanes_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isohexanes_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isoprene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="isoprene_ng_per_m3_amean_qc isoprene_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoprene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="6.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.04. Detection limit converted from '2.0 pmol/mol' to '6.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.04." />
  </variable>
  <variable name="isoprene_ng_per_m3_amean_qc" shape="isoprene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isoprene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isoprene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="isoprene_pmol_per_mol_amean_qc isoprene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoprene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="2.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="isoprene_pmol_per_mol_amean_qc" shape="isoprene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isoprene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isoprene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="isoprene_ng_per_m3_ExpUnc2s_qc isoprene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoprene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.039." />
  </variable>
  <variable name="isoprene_ng_per_m3_ExpUnc2s_qc" shape="isoprene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isoprene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isoprene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="isoprene_pmol_per_mol_ExpUnc2s_qc isoprene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoprene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="isoprene_pmol_per_mol_ExpUnc2s_qc" shape="isoprene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isoprene_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isoprene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="isoprene_ng_per_m3_precision_qc isoprene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoprene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.039." />
  </variable>
  <variable name="isoprene_ng_per_m3_precision_qc" shape="isoprene_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isoprene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="isoprene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="isoprene_pmol_per_mol_precision_qc isoprene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoprene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="isoprene_pmol_per_mol_precision_qc" shape="isoprene_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="isoprene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="limonene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_limonene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="limonene_ng_per_m3_amean_qc limonene_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="limonene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="18.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08. Detection limit converted from '3.0 pmol/mol' to '18.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08." />
  </variable>
  <variable name="limonene_ng_per_m3_amean_qc" shape="limonene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="limonene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="limonene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_limonene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="limonene_pmol_per_mol_amean_qc limonene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="limonene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="3.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="limonene_pmol_per_mol_amean_qc" shape="limonene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="limonene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="limonene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_limonene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="limonene_ng_per_m3_ExpUnc2s_qc limonene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="limonene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08." />
  </variable>
  <variable name="limonene_ng_per_m3_ExpUnc2s_qc" shape="limonene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="limonene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="limonene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_limonene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="limonene_pmol_per_mol_ExpUnc2s_qc limonene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="limonene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="limonene_pmol_per_mol_ExpUnc2s_qc" shape="limonene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="limonene_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="limonene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_limonene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="limonene_ng_per_m3_precision_qc limonene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="limonene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08." />
  </variable>
  <variable name="limonene_ng_per_m3_precision_qc" shape="limonene_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="limonene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="limonene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_limonene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="limonene_pmol_per_mol_precision_qc limonene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="limonene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="limonene_pmol_per_mol_precision_qc" shape="limonene_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="limonene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="m-p-xylene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m-p-xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="m-p-xylene_ng_per_m3_amean_qc m-p-xylene_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="m-p-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="19.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74. Detection limit converted from '4.0 pmol/mol' to '19.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
  </variable>
  <variable name="m-p-xylene_ng_per_m3_amean_qc" shape="m-p-xylene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="m-p-xylene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="m-p-xylene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m_p_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="m-p-xylene_pmol_per_mol_amean_qc m-p-xylene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="m-p-xylene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="4.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="m-p-xylene_pmol_per_mol_amean_qc" shape="m-p-xylene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="m-p-xylene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="m-p-xylene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m-p-xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="m-p-xylene_ng_per_m3_ExpUnc2s_qc m-p-xylene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="m-p-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737." />
  </variable>
  <variable name="m-p-xylene_ng_per_m3_ExpUnc2s_qc" shape="m-p-xylene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="m-p-xylene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="m-p-xylene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m_p_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="m-p-xylene_pmol_per_mol_ExpUnc2s_qc m-p-xylene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="m-p-xylene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="m-p-xylene_pmol_per_mol_ExpUnc2s_qc" shape="m-p-xylene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="m-p-xylene_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="m-p-xylene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m-p-xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="m-p-xylene_ng_per_m3_precision_qc m-p-xylene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="m-p-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737." />
  </variable>
  <variable name="m-p-xylene_ng_per_m3_precision_qc" shape="m-p-xylene_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="m-p-xylene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="m-p-xylene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m_p_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="m-p-xylene_pmol_per_mol_precision_qc m-p-xylene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="m-p-xylene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="m-p-xylene_pmol_per_mol_precision_qc" shape="m-p-xylene_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="m-p-xylene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="methanol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_methanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="methanol_amean_qc methanol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="methanol" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="25.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="methanol_amean_qc" shape="methanol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="methanol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="methanol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_methanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="methanol_ExpUnc2s_qc methanol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="methanol" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="methanol_ExpUnc2s_qc" shape="methanol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="methanol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="methanol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_methanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="methanol_precision_qc methanol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="methanol" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="methanol_precision_qc" shape="methanol_precision_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="methanol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-butane_ng_per_m3_amean_qc n-butane_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="5.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.59. Detection limit converted from '2.0 pmol/mol' to '5.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.59." />
  </variable>
  <variable name="n-butane_ng_per_m3_amean_qc" shape="n-butane_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-butane_pmol_per_mol_amean_qc n-butane_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="2.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="n-butane_pmol_per_mol_amean_qc" shape="n-butane_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-butane_ng_per_m3_ExpUnc2s_qc n-butane_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.593." />
  </variable>
  <variable name="n-butane_ng_per_m3_ExpUnc2s_qc" shape="n-butane_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-butane_pmol_per_mol_ExpUnc2s_qc n-butane_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="n-butane_pmol_per_mol_ExpUnc2s_qc" shape="n-butane_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-butane_ng_per_m3_precision_qc n-butane_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.593." />
  </variable>
  <variable name="n-butane_ng_per_m3_precision_qc" shape="n-butane_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-butane_pmol_per_mol_precision_qc n-butane_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="n-butane_pmol_per_mol_precision_qc" shape="n-butane_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-hexane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-hexane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-hexane_ng_per_m3_amean_qc n-hexane_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-hexane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="8.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.84. Detection limit converted from '2.0 pmol/mol' to '8.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.84." />
  </variable>
  <variable name="n-hexane_ng_per_m3_amean_qc" shape="n-hexane_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-hexane_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-hexane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_hexane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-hexane_pmol_per_mol_amean_qc n-hexane_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-hexane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="2.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="n-hexane_pmol_per_mol_amean_qc" shape="n-hexane_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-hexane_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-hexane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-hexane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-hexane_ng_per_m3_ExpUnc2s_qc n-hexane_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-hexane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.845." />
  </variable>
  <variable name="n-hexane_ng_per_m3_ExpUnc2s_qc" shape="n-hexane_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-hexane_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-hexane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_hexane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-hexane_pmol_per_mol_ExpUnc2s_qc n-hexane_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-hexane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="n-hexane_pmol_per_mol_ExpUnc2s_qc" shape="n-hexane_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-hexane_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-hexane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-hexane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-hexane_ng_per_m3_precision_qc n-hexane_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-hexane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.845." />
  </variable>
  <variable name="n-hexane_ng_per_m3_precision_qc" shape="n-hexane_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-hexane_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-hexane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_hexane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-hexane_pmol_per_mol_precision_qc n-hexane_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-hexane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="n-hexane_pmol_per_mol_precision_qc" shape="n-hexane_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-hexane_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-pentane_ng_per_m3_amean_qc n-pentane_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="6.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.22. Detection limit converted from '2.0 pmol/mol' to '6.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.22." />
  </variable>
  <variable name="n-pentane_ng_per_m3_amean_qc" shape="n-pentane_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-pentane_pmol_per_mol_amean_qc n-pentane_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="2.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="n-pentane_pmol_per_mol_amean_qc" shape="n-pentane_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-pentane_ng_per_m3_ExpUnc2s_qc n-pentane_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.219." />
  </variable>
  <variable name="n-pentane_ng_per_m3_ExpUnc2s_qc" shape="n-pentane_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-pentane_pmol_per_mol_ExpUnc2s_qc n-pentane_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="n-pentane_pmol_per_mol_ExpUnc2s_qc" shape="n-pentane_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-pentane_ng_per_m3_precision_qc n-pentane_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.219." />
  </variable>
  <variable name="n-pentane_ng_per_m3_precision_qc" shape="n-pentane_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-pentane_pmol_per_mol_precision_qc n-pentane_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="n-pentane_pmol_per_mol_precision_qc" shape="n-pentane_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-propanol_nmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_n-propanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="n-propanol_nmol_per_mol_amean_qc n-propanol_nmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-propanol" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="0.005 nmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.372967. Detection limit converted from '0.0134 ug/m3' at 273.15 K, 1013.25 hPa to '0.005 nmol/mol', conversion factor 0.372967." />
  </variable>
  <variable name="n-propanol_nmol_per_mol_amean_qc" shape="n-propanol_nmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-propanol_nmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-propanol_ug_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_propanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="n-propanol_ug_per_m3_amean_qc n-propanol_ug_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-propanol" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.0134 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy" />
  </variable>
  <variable name="n-propanol_ug_per_m3_amean_qc" shape="n-propanol_ug_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_platform_code" value="CH0053S" />
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    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
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    <attribute name="ebas_regime" value="IMG" />
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    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="14.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74. Detection limit converted from '3.0 pmol/mol' to '14.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
  </variable>
  <variable name="o-xylene_ng_per_m3_amean_qc" shape="o-xylene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="o-xylene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="o-xylene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="o-xylene_pmol_per_mol_amean_qc o-xylene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="3.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="o-xylene_pmol_per_mol_amean_qc" shape="o-xylene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="o-xylene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="o-xylene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o-xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="o-xylene_ng_per_m3_ExpUnc2s_qc o-xylene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737." />
  </variable>
  <variable name="o-xylene_ng_per_m3_ExpUnc2s_qc" shape="o-xylene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="o-xylene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="o-xylene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="o-xylene_pmol_per_mol_ExpUnc2s_qc o-xylene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="o-xylene_pmol_per_mol_ExpUnc2s_qc" shape="o-xylene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="o-xylene_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="o-xylene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o-xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="o-xylene_ng_per_m3_precision_qc o-xylene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737." />
  </variable>
  <variable name="o-xylene_ng_per_m3_precision_qc" shape="o-xylene_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="o-xylene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="o-xylene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="o-xylene_pmol_per_mol_precision_qc o-xylene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="o-xylene_pmol_per_mol_precision_qc" shape="o-xylene_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="o-xylene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propane_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propane_amean_qc propane_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="6.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="propane_amean_qc" shape="propane_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propane_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propane_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propane_ExpUnc2s_qc propane_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="propane_ExpUnc2s_qc" shape="propane_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propane_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propane_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propane_precision_qc propane_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
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    <attribute name="units" value="1" />
  </variable>
  <variable name="propane_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propanone_nmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propanone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="propanone_nmol_per_mol_amean_qc propanone_nmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
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    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propanone" />
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    <attribute name="ebas_laboratory_code" value="CH01L" />
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    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
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    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.385913. Detection limit converted from '0.0207 ug/m3' at 273.15 K, 1013.25 hPa to '0.008 nmol/mol', conversion factor 0.385913." />
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    <attribute name="units" value="1" />
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  <variable name="propanone_nmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propanone_ug_per_m3_amean" shape="time" type="double">
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    <attribute name="ancillary_variables" value="propanone_ug_per_m3_amean_qc propanone_ug_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
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    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propanone" />
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    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy" />
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  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.38591277." />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
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  <variable name="propanone_ug_per_m3_ExpUnc2s_qc" shape="propanone_ug_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propanone_ug_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propanone_nmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propanone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="propanone_nmol_per_mol_precision_qc propanone_nmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propanone" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.38591277." />
  </variable>
  <variable name="propanone_nmol_per_mol_precision_qc" shape="propanone_nmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propanone_nmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propanone_ug_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_propanone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="propanone_ug_per_m3_precision_qc propanone_ug_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propanone" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="yy" />
  </variable>
  <variable name="propanone_ug_per_m3_precision_qc" shape="propanone_ug_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propanone_ug_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propene_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propene_amean_qc propene_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
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    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="propene_amean_qc" shape="propene_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propene_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propene_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propene_ExpUnc2s_qc propene_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="propene_ExpUnc2s_qc" shape="propene_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propene_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propene_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propene_precision_qc propene_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="propene_precision_qc" shape="propene_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propene_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="toluene_ng_per_m3_amean_qc toluene_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="16.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.11. Detection limit converted from '4.0 pmol/mol' to '16.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.11." />
  </variable>
  <variable name="toluene_ng_per_m3_amean_qc" shape="toluene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="toluene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="toluene_pmol_per_mol_amean_qc toluene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit" value="4.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="toluene_pmol_per_mol_amean_qc" shape="toluene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="toluene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="toluene_ng_per_m3_ExpUnc2s_qc toluene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.111." />
  </variable>
  <variable name="toluene_ng_per_m3_ExpUnc2s_qc" shape="toluene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="toluene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="toluene_pmol_per_mol_ExpUnc2s_qc toluene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="toluene_pmol_per_mol_ExpUnc2s_qc" shape="toluene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="toluene_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="toluene_ng_per_m3_precision_qc toluene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018). -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.111." />
  </variable>
  <variable name="toluene_ng_per_m3_precision_qc" shape="toluene_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="toluene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="toluene_pmol_per_mol_precision_qc toluene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210301105936" />
    <attribute name="ebas_version_description" value="manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="12mn" />
    <attribute name="ebas_orig_time_res" value="12mn" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_measurement_altitude" value="802.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_MARKES-GC-FID_cn13283047_BRM" />
    <attribute name="ebas_instrument_manufacturer" value="MARKES+MARKES+Agilent" />
    <attribute name="ebas_instrument_model" value="Air Server+UNITY2+7890A GC/FID" />
    <attribute name="ebas_instrument_serial_number" value="cn13283047" />
    <attribute name="ebas_method_ref" value="CH01L_MARES_GC_FID_VOCAIR_BRM" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D386648" />
    <attribute name="ebas_secondary_standard_id" value="Duebendorf air; RIX-filling; D641650" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="ambient air is brought into the cabin through a main inlet line at a flow rate of 300 lpm. From the main inlet line short stainless steel tubes are used to bring the air samples to the instruments." />
    <attribute name="ebas_detection_limit_expl" value="Determined by integration of a baseline signal multiplied by a factor of 3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="For OVOCs, terpenes and acetoniotril the calibration factor is calculated with the effective carbon number (https://doi.org/10.1093/chromsci/23.8.333). These factors were verified in the round robin test in Hohenpeissenberg (2018)." />
  </variable>
  <variable name="toluene_pmol_per_mol_precision_qc" shape="toluene_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="toluene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
