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  <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 steel_canister at La Tardière (FR0015R)" />
  <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, air, mole_fraction_of_isoprene_in_air, mole_fraction_of_2_methylbutane_in_air, n-hexane, mole_fraction_of_butane_in_air, mole_fraction_of_ethane_in_air, 2-methylpentane, ethene, m-p-xylene, mole_fraction_of_hexane_in_air, mole_fraction_of_224_trimethylpentane_in_air, FR0015R, La Tardière, GAW-WDCRG, propene, toluene, mole_fraction_of_octane_in_air, mass_concentration_of_1-butene_in_air, mole_fraction_of_13_butadiene_in_air, mole_fraction_of_2_methylpropane_in_air, isoprene, n-butane, propyne, mass_concentration_of_2-methylbutane_in_air, mole_fraction_of_ethylbenzene_in_air, n-octane, mole_fraction_of_1_butene_in_air, mole_fraction_of_n-octane_in_air, 2-2-4-trimethylpentane, mole_fraction_of_heptane_in_air, mole_fraction_of_o-xylene_in_air, ethylbenzene, mole_fraction_of_benzene_in_air, ACTRIS, 2-methylbutane, mole_fraction_of_o_xylene_in_air, mass_concentration_of_n-heptane_in_air, 2-methylpropane, mass_concentration_of_2-2-4-trimethylpentane_in_air, EMEP, mole_fraction_of_ethene_in_air, mass_concentration_of_n-butane_in_air, mole_fraction_of_propyne_in_air, ethane, mole_fraction_of_ethyne_in_air, mole_fraction_of_m_p_xylene_in_air, n-heptane, mass_concentration_of_2-methylpentane_in_air, 1-butene, 1-3-butadiene, ethyne, mole_fraction_of_toluene_in_air, o-xylene, mole_fraction_of_m-p-xylene_in_air, benzene, mole_fraction_of_propene_in_air, mole_fraction_of_2_methylpentane_in_air" />
  <attribute name="id" value="WYQQ-94WQ.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/WYQQ-94WQ" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Stephane Sauvage, Therese Salameh, 1-3-butadiene, 1-butene, 2-2-4-trimethylpentane, 2-methylbutane, 2-methylpentane, 2-methylpropane, benzene, ethane, ethene, ethylbenzene, ethyne, isoprene, m-p-xylene, n-butane, n-heptane, n-hexane, n-octane, o-xylene, propane, propene, propyne, toluene - steel_canister at La Tardière, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/WYQQ-94WQ" />
  <attribute name="summary" value="Ground based in situ observations of steel_canister at La Tardière (FR0015R). 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), 1-butene in air (mass_concentration_of_1-butene_in_air), 1-butene in air (mole_fraction_of_1_butene_in_air), 1-butene in air (mass_concentration_of_1-butene_in_air), 1-butene in air (mole_fraction_of_1_butene_in_air), 1-butene in air (mass_concentration_of_1-butene_in_air), 1-butene in air (mole_fraction_of_1_butene_in_air), 2-2-4-trimethylpentane in air (mass_concentration_of_2-2-4-trimethylpentane_in_air), 2-2-4-trimethylpentane in air (mole_fraction_of_224_trimethylpentane_in_air), 2-2-4-trimethylpentane in air (mass_concentration_of_2-2-4-trimethylpentane_in_air), 2-2-4-trimethylpentane in air (mole_fraction_of_224_trimethylpentane_in_air), 2-2-4-trimethylpentane in air (mass_concentration_of_2-2-4-trimethylpentane_in_air), 2-2-4-trimethylpentane in air (mole_fraction_of_224_trimethylpentane_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-methylpentane in air (mass_concentration_of_2-methylpentane_in_air), 2-methylpentane in air (mole_fraction_of_2_methylpentane_in_air), 2-methylpentane in air (mass_concentration_of_2-methylpentane_in_air), 2-methylpentane in air (mole_fraction_of_2_methylpentane_in_air), 2-methylpentane in air (mass_concentration_of_2-methylpentane_in_air), 2-methylpentane in air (mole_fraction_of_2_methylpentane_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), 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), 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), 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), 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), 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), 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-heptane in air (mass_concentration_of_n-heptane_in_air), n-heptane in air (mole_fraction_of_heptane_in_air), n-heptane in air (mass_concentration_of_n-heptane_in_air), n-heptane in air (mole_fraction_of_heptane_in_air), n-heptane in air (mass_concentration_of_n-heptane_in_air), n-heptane in air (mole_fraction_of_heptane_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-octane in air (mole_fraction_of_n-octane_in_air), n-octane in air (mole_fraction_of_octane_in_air), n-octane in air (mole_fraction_of_n-octane_in_air), n-octane in air (mole_fraction_of_octane_in_air), n-octane in air (mole_fraction_of_n-octane_in_air), n-octane in air (mole_fraction_of_octane_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), 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), propyne in air (mole_fraction_of_propyne_in_air), propyne in air (mole_fraction_of_propyne_in_air), propyne in air (mole_fraction_of_propyne_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="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2019-06-27T00:00:00 UTC" />
  <attribute name="date_metadata_modified" value="2019-06-27T00:00:00 UTC" />
  <attribute name="creator_name" value="Stephane Sauvage, Therese Salameh" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", therese.salameh@mines-douai.fr" />
  <attribute name="creator_institution" value=", &quot;Ecole des Mines de Douai, SAGE Department, EMD&quot;" />
  <attribute name="contributor_name" value="Therese Salameh" />
  <attribute name="contributor_role" value="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 (46.65 -0.75 133.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="46.65" />
  <attribute name="geospatial_lat_max" type="double" value="46.65" />
  <attribute name="geospatial_lon_min" type="double" value="-0.75" />
  <attribute name="geospatial_lon_max" type="double" value="-0.75" />
  <attribute name="geospatial_vertical_min" type="double" value="133.0" />
  <attribute name="geospatial_vertical_max" type="double" value="133.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2018-01-01T12:00:00 UTC" />
  <attribute name="time_coverage_end" value="2018-12-31T16:00:28 UTC" />
  <attribute name="time_coverage_duration" value="P0000-11-30T04:00:28.800000" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T84:00:00" />
  <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="Stephane Sauvage, Therese Salameh, 1-3-butadiene, 1-butene, 2-2-4-trimethylpentane, 2-methylbutane, 2-methylpentane, 2-methylpropane, benzene, ethane, ethene, ethylbenzene, ethyne, isoprene, m-p-xylene, n-butane, n-heptane, n-hexane, n-octane, o-xylene, propane, propene, propyne, toluene - steel_canister at La Tardière, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/WYQQ-94WQ" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="WYQQ-94WQ.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/WYQQ-94WQ" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/WYQQ-94WQ" />
  <attribute name="ebas_file_creation" value="2023-12-16T14:05:29.434073 UTC" />
  <attribute name="ebas_export_state" value="2020-08-20T10:39:37.247000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20180101120000" />
  <attribute name="ebas_revision_date" value="20190627000000" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="84h" />
  <attribute name="ebas_sample_duration" value="4h" />
  <attribute name="ebas_orig_time_res" value="4h" />
  <attribute name="ebas_station_code" value="FR0015R" />
  <attribute name="ebas_platform_code" value="FR0015S" />
  <attribute name="ebas_station_name" value="La Tardière" />
  <attribute name="ebas_station_latitude" value="46.65" />
  <attribute name="ebas_station_longitude" value="-0.75" />
  <attribute name="ebas_station_altitude" value="133.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="FR07L" />
  <attribute name="ebas_instrument_type" value="steel_canister" />
  <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
  <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
  <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
  <attribute name="ebas_instrument_serial_number" value="580S13072901" />
  <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
  <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
  <attribute name="ebas_calibration_scale" value="NPL" />
  <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
  <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
  <attribute name="ebas_inlet_type" value="Stainless steel" />
  <attribute name="ebas_inlet_description" value="Primary line + manifold" />
  <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
  <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_qa1_measure_id" value="ACTRIS-VOC-1" />
  <attribute name="ebas_qa1_date" value="2012-09-16 UTC" />
  <attribute name="ebas_qa1_outcome" value="pass" />
  <attribute name="ebas_qa1_document_name" value="ACTRIS non-methane hydrocarbon intercomparison experiment in Europe to support WMO GAW and EMEP observation networks" />
  <attribute name="ebas_qa1_document_date" value="2015-07-08 UTC" />
  <attribute name="ebas_qa1_document_url" value="https://doi.org/10.5194/amt-8-2715-2015" />
  <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
  <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
  <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
  <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;Stephane Sauvage, Therese Salameh, 1-3-butadiene, 1-butene, 2-2-4-trimethylpentane, 2-methylbutane, 2-methylpentane, 2-methylpropane, benzene, ethane, ethene, ethylbenzene, ethyne, isoprene, m-p-xylene, n-butane, n-heptane, n-hexane, n-octane, o-xylene, propane, propene, propyne, toluene - steel_canister at La Tardière, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/WYQQ-94WQ&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;WYQQ-94WQ.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/WYQQ-94WQ&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/WYQQ-94WQ&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-16T14:05:29.434073 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2020-08-20T10:39:37.247000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20180101120000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20190627000000&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;84h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;4h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;4h&quot;,&#xA;    &quot;Station code&quot;: &quot;FR0015R&quot;,&#xA;    &quot;Platform code&quot;: &quot;FR0015S&quot;,&#xA;    &quot;Station name&quot;: &quot;La Tardière&quot;,&#xA;    &quot;Station latitude&quot;: &quot;46.65&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-0.75&quot;,&#xA;    &quot;Station altitude&quot;: &quot;133.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;4.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FR07L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;steel_canister&quot;,&#xA;    &quot;Instrument name&quot;: &quot;MD-GC_NMHC_offline_FR15&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Restek+Entech&quot;,&#xA;    &quot;Instrument model&quot;: &quot;SilcoCan+Silonite&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;580S13072901&quot;,&#xA;    &quot;Method ref&quot;: &quot;FR07L_NMHC_analysis&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=GAW_204(2012)&quot;,&#xA;    &quot;Calibration scale&quot;: &quot;NPL&quot;,&#xA;    &quot;Calibration standard ID&quot;: &quot;NPL D09_0451&quot;,&#xA;    &quot;Secondary standard ID&quot;: &quot;Manufacturer Air liquide_123489&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Stainless steel&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Primary line + manifold&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Analytical detection limit based on instrument noise, 3 time signal to noise ratio&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;QA1 measure ID&quot;: &quot;ACTRIS-VOC-1&quot;,&#xA;    &quot;QA1 date&quot;: &quot;2012-09-16 UTC&quot;,&#xA;    &quot;QA1 outcome&quot;: &quot;pass&quot;,&#xA;    &quot;QA1 document name&quot;: &quot;ACTRIS non-methane hydrocarbon intercomparison experiment in Europe to support WMO GAW and EMEP observation networks&quot;,&#xA;    &quot;QA1 document date&quot;: &quot;2015-07-08 UTC&quot;,&#xA;    &quot;QA1 document URL&quot;: &quot;https://doi.org/10.5194/amt-8-2715-2015&quot;,&#xA;    &quot;Organization&quot;: &quot;FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France&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. 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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" />
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    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
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  </variable>
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    <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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.41." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.41." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="1-butene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_1-butene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="1-butene_ng_per_m3_amean_qc 1-butene_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-butene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="25.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.50. Detection limit converted from '10.0 pmol/mol' to '25.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.50." />
  </variable>
  <variable name="1-butene_ng_per_m3_amean_qc" shape="1-butene_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-butene_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-butene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_1_butene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="1-butene_pmol_per_mol_amean_qc 1-butene_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-butene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="1-butene_pmol_per_mol_amean_qc" shape="1-butene_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-butene_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-butene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_1-butene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="1-butene_ng_per_m3_ExpUnc2s_qc 1-butene_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-butene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.50." />
  </variable>
  <variable name="1-butene_ng_per_m3_ExpUnc2s_qc" shape="1-butene_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-butene_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-butene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_1_butene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="1-butene_pmol_per_mol_ExpUnc2s_qc 1-butene_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-butene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="1-butene_pmol_per_mol_ExpUnc2s_qc" shape="1-butene_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-butene_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-butene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_1-butene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="1-butene_ng_per_m3_precision_qc 1-butene_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-butene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.50." />
  </variable>
  <variable name="1-butene_ng_per_m3_precision_qc" shape="1-butene_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-butene_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-butene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_1_butene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="1-butene_pmol_per_mol_precision_qc 1-butene_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-butene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="1-butene_pmol_per_mol_precision_qc" shape="1-butene_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-butene_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="2-2-4-trimethylpentane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-2-4-trimethylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-2-4-trimethylpentane_ng_per_m3_amean_qc 2-2-4-trimethylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-2-4-trimethylpentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="51.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.10. Detection limit converted from '10.0 pmol/mol' to '51.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.10." />
  </variable>
  <variable name="2-2-4-trimethylpentane_ng_per_m3_amean_qc" shape="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_224_trimethylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-2-4-trimethylpentane_pmol_per_mol_amean_qc 2-2-4-trimethylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-2-4-trimethylpentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="2-2-4-trimethylpentane_pmol_per_mol_amean_qc" shape="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-2-4-trimethylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-2-4-trimethylpentane_ng_per_m3_ExpUnc2s_qc 2-2-4-trimethylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-2-4-trimethylpentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.10." />
  </variable>
  <variable name="2-2-4-trimethylpentane_ng_per_m3_ExpUnc2s_qc" shape="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_224_trimethylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-2-4-trimethylpentane_pmol_per_mol_ExpUnc2s_qc 2-2-4-trimethylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-2-4-trimethylpentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="2-2-4-trimethylpentane_pmol_per_mol_ExpUnc2s_qc" shape="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-2-4-trimethylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-2-4-trimethylpentane_ng_per_m3_precision_qc 2-2-4-trimethylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-2-4-trimethylpentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.10." />
  </variable>
  <variable name="2-2-4-trimethylpentane_ng_per_m3_precision_qc" shape="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_224_trimethylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-2-4-trimethylpentane_pmol_per_mol_precision_qc 2-2-4-trimethylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-2-4-trimethylpentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="2-2-4-trimethylpentane_pmol_per_mol_precision_qc" shape="2-2-4-trimethylpentane_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="2-2-4-trimethylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="32.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- 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 '10.0 pmol/mol' to '32.0 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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.22." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.22." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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-methylpentane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-methylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylpentane_ng_per_m3_amean_qc 2-methylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="38.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- 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 '10.0 pmol/mol' to '38.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.84." />
  </variable>
  <variable name="2-methylpentane_ng_per_m3_amean_qc" shape="2-methylpentane_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-methylpentane_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-methylpentane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylpentane_pmol_per_mol_amean_qc 2-methylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="2-methylpentane_pmol_per_mol_amean_qc" shape="2-methylpentane_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-methylpentane_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-methylpentane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-methylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylpentane_ng_per_m3_ExpUnc2s_qc 2-methylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.84." />
  </variable>
  <variable name="2-methylpentane_ng_per_m3_ExpUnc2s_qc" shape="2-methylpentane_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-methylpentane_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-methylpentane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylpentane_pmol_per_mol_ExpUnc2s_qc 2-methylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="2-methylpentane_pmol_per_mol_ExpUnc2s_qc" shape="2-methylpentane_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-methylpentane_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-methylpentane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-methylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylpentane_ng_per_m3_precision_qc 2-methylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.84." />
  </variable>
  <variable name="2-methylpentane_ng_per_m3_precision_qc" shape="2-methylpentane_ng_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="2-methylpentane_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-methylpentane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylpentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylpentane_pmol_per_mol_precision_qc 2-methylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="2-methylpentane_pmol_per_mol_precision_qc" shape="2-methylpentane_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-methylpentane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="2-methylpropane_ExpUnc2s_qc" shape="2-methylpropane_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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="2-methylpropane_precision_qc" shape="2-methylpropane_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="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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="35.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- 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 '10.0 pmol/mol' to '35.0 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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="benzene_pmol_per_mol_amean_qc" shape="benzene_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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.49." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.49." />
  </variable>
  <variable name="benzene_ng_per_m3_precision_qc" shape="benzene_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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="benzene_pmol_per_mol_precision_qc" shape="benzene_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="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="ethane_amean" 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_amean_qc ethane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="ethane_amean_qc" shape="ethane_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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="ethane_ExpUnc2s_qc" shape="ethane_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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="ethene_precision_qc" shape="ethene_precision_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="47.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- 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 '10.0 pmol/mol' to '47.0 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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
  </variable>
  <variable name="ethylbenzene_ng_per_m3_ExpUnc2s_qc" shape="ethylbenzene_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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="ethyne_ExpUnc2s_qc" shape="ethyne_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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="30.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- 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 '10.0 pmol/mol' to '30.0 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="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.04." />
  </variable>
  <variable name="isoprene_ng_per_m3_ExpUnc2s_qc" shape="isoprene_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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.04." />
  </variable>
  <variable name="isoprene_ng_per_m3_precision_qc" shape="isoprene_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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="47.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- 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 '10.0 pmol/mol' to '47.0 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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="_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_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
  </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="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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="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_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="26.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- 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 '10.0 pmol/mol' to '26.0 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="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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="n-butane_pmol_per_mol_amean_qc" shape="n-butane_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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.59." />
  </variable>
  <variable name="n-butane_ng_per_m3_ExpUnc2s_qc" shape="n-butane_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-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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.59." />
  </variable>
  <variable name="n-butane_ng_per_m3_precision_qc" shape="n-butane_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-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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="n-butane_pmol_per_mol_precision_qc" shape="n-butane_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="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-heptane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-heptane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-heptane_ng_per_m3_amean_qc n-heptane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-heptane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="45.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.47. Detection limit converted from '10.0 pmol/mol' to '45.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.47." />
  </variable>
  <variable name="n-heptane_ng_per_m3_amean_qc" shape="n-heptane_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-heptane_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-heptane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_heptane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-heptane_pmol_per_mol_amean_qc n-heptane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-heptane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="n-heptane_pmol_per_mol_amean_qc" shape="n-heptane_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
  </variable>
  <variable name="n-heptane_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-heptane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-heptane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-heptane_ng_per_m3_ExpUnc2s_qc n-heptane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-heptane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.47." />
  </variable>
  <variable name="n-heptane_ng_per_m3_ExpUnc2s_qc" shape="n-heptane_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-heptane_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-heptane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_heptane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-heptane_pmol_per_mol_ExpUnc2s_qc n-heptane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-heptane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="n-heptane_pmol_per_mol_ExpUnc2s_qc" shape="n-heptane_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-heptane_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-heptane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-heptane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-heptane_ng_per_m3_precision_qc n-heptane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-heptane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.47." />
  </variable>
  <variable name="n-heptane_ng_per_m3_precision_qc" shape="n-heptane_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-heptane_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-heptane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_heptane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-heptane_pmol_per_mol_precision_qc n-heptane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-heptane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="n-heptane_pmol_per_mol_precision_qc" shape="n-heptane_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-heptane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="38.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- 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 '10.0 pmol/mol' to '38.0 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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.84." />
  </variable>
  <variable name="n-hexane_ng_per_m3_ExpUnc2s_qc" shape="n-hexane_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-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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.84." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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-octane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_n-octane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-octane_ng_per_m3_amean_qc n-octane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-octane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="51.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.10. Detection limit converted from '10.0 pmol/mol' to '51.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.10." />
  </variable>
  <variable name="n-octane_ng_per_m3_amean_qc" shape="n-octane_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-octane_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-octane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_octane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-octane_pmol_per_mol_amean_qc n-octane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-octane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="n-octane_pmol_per_mol_amean_qc" shape="n-octane_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-octane_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-octane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_n-octane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-octane_ng_per_m3_ExpUnc2s_qc n-octane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-octane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.10." />
  </variable>
  <variable name="n-octane_ng_per_m3_ExpUnc2s_qc" shape="n-octane_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-octane_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-octane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_octane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-octane_pmol_per_mol_ExpUnc2s_qc n-octane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-octane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="n-octane_pmol_per_mol_ExpUnc2s_qc" shape="n-octane_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-octane_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-octane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_n-octane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-octane_ng_per_m3_precision_qc n-octane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-octane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.10." />
  </variable>
  <variable name="n-octane_ng_per_m3_precision_qc" shape="n-octane_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-octane_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-octane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_octane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-octane_pmol_per_mol_precision_qc n-octane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-octane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="n-octane_pmol_per_mol_precision_qc" shape="n-octane_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-octane_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="o-xylene_ng_per_m3_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="ng/m3" />
    <attribute name="ancillary_variables" value="o-xylene_ng_per_m3_amean_qc o-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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="47.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- 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 '10.0 pmol/mol' to '47.0 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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="o-xylene_pmol_per_mol_amean_qc" shape="o-xylene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="o-xylene_pmol_per_mol_ExpUnc2s_qc" shape="o-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="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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="propane_precision_qc" shape="propane_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="propane_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
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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_originator" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="propyne_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propyne_amean_qc propyne_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propyne" />
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    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
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    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
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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" />
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    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="propyne_amean_qc" shape="propyne_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="propyne_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propyne_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propyne_ExpUnc2s_qc propyne_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
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    <attribute name="ebas_revision_date" value="20190627000000" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propyne" />
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    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
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    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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" />
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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" />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="propyne_ExpUnc2s_qc" shape="propyne_ExpUnc2s_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="propyne_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propyne_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propyne_precision_qc propyne_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="20190627000000" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propyne" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="propyne_precision_qc" shape="propyne_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="propyne_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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="41.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- 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 '10.0 pmol/mol' to '41.0 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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.11." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.11." />
  </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="20190627000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="4h" />
    <attribute name="ebas_orig_time_res" value="4h" />
    <attribute name="ebas_station_code" value="FR0015R" />
    <attribute name="ebas_platform_code" value="FR0015S" />
    <attribute name="ebas_station_name" value="La Tardière" />
    <attribute name="ebas_station_latitude" value="46.65" />
    <attribute name="ebas_station_longitude" value="-0.75" />
    <attribute name="ebas_station_altitude" value="133.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FR07L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="MD-GC_NMHC_offline_FR15" />
    <attribute name="ebas_instrument_manufacturer" value="Restek+Entech" />
    <attribute name="ebas_instrument_model" value="SilcoCan+Silonite" />
    <attribute name="ebas_instrument_serial_number" value="580S13072901" />
    <attribute name="ebas_method_ref" value="FR07L_NMHC_analysis" />
    <attribute name="ebas_standard_method" value="SOP=GAW_204(2012)" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL D09_0451" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer Air liquide_123489" />
    <attribute name="ebas_inlet_type" value="Stainless steel" />
    <attribute name="ebas_inlet_description" value="Primary line + manifold" />
    <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="Analytical detection limit based on instrument noise, 3 time signal to noise ratio" />
    <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_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <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="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_submitter" value="Salameh, Therese, therese.salameh@mines-douai.fr, Ecole des Mines de Douai, EMD, SAGE Department, 941 rue Charles Bourseul, , F-59508, Douai, France" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Silcosteel canisters, no dryer, no_ozone scrubber, calibration for each canister batch" />
  </variable>
  <variable name="toluene_pmol_per_mol_precision_qc" shape="toluene_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="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>
