<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of optical_particle_size_spectrometer at Observatoire Perenne de l'Environnement (FR0022R)" />
  <attribute name="keywords" value="ACTRIS, particle_number_size_distribution, Observatoire Perenne de l'Environnement, aerosol, number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air, GAW-WDCA, FR0022R" />
  <attribute name="id" value="EVY4-6NGG.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA" />
  <attribute name="acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  <attribute name="doi" value="https://doi.org/10.48597/EVY4-6NGG" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Paolo Villani, Sebastien Conil, Paolo Villani, Sebastien Conil, particle_number_size_distribution - optical_particle_size_spectrometer at Observatoire Perenne de l'Environnement, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EVY4-6NGG" />
  <attribute name="summary" value="Ground based in situ observations of optical_particle_size_spectrometer at Observatoire Perenne de l'Environnement (FR0022R). These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: particle_number_size_distribution in aerosol (number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air), particle_number_size_distribution in aerosol (number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air), particle_number_size_distribution in aerosol (number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, 1/7 rue Jean Monnet, 92298, CHATENAY-MALABRY Cedex, France" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-05-18T01:08:56 UTC" />
  <attribute name="date_metadata_modified" value="2020-05-18T01:08:56 UTC" />
  <attribute name="creator_name" value="Paolo Villani, Sebastien Conil, Paolo Villani, Sebastien Conil" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="P.Villani@opgc.univ-bpclermont.fr, Sebastien.Conil@andra.fr, P.Villani@opgc.univ-bpclermont.fr, Sebastien.Conil@andra.fr" />
  <attribute name="creator_institution" value="&quot;Observatoire de Physique du Globe de Clermont-Ferrand, CNRS/OPGC/LaMP, OPGC&quot;, &quot;Observatoire Perenne de l'Environnement, Centre de Meuse/Haute-Marne, ANDRA/OPE&quot;, &quot;Observatoire de Physique du Globe de Clermont-Ferrand, CNRS/OPGC/LaMP, OPGC&quot;, &quot;Observatoire Perenne de l'Environnement, Centre de Meuse/Haute-Marne, ANDRA/OPE&quot;" />
  <attribute name="contributor_name" value="Nicolas Pascal, Nicolas Pascal" />
  <attribute name="contributor_role" value="data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (48.562 5.505 392.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="48.562" />
  <attribute name="geospatial_lat_max" type="double" value="48.562" />
  <attribute name="geospatial_lon_min" type="double" value="5.505" />
  <attribute name="geospatial_lon_max" type="double" value="5.505" />
  <attribute name="geospatial_vertical_min" type="double" value="392.0" />
  <attribute name="geospatial_vertical_max" type="double" value="392.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2018-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2020-05-01T01:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0002-04-00T01:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Paolo Villani, Sebastien Conil, Paolo Villani, Sebastien Conil, particle_number_size_distribution - optical_particle_size_spectrometer at Observatoire Perenne de l'Environnement, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EVY4-6NGG" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="EVY4-6NGG.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/EVY4-6NGG" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/EVY4-6NGG" />
  <attribute name="ebas_file_creation" value="2023-12-16T15:33:40.294770 UTC" />
  <attribute name="ebas_export_state" value="2020-05-20T08:34:49.610000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20180101000000" />
  <attribute name="ebas_revision_date" value="20200518010856" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="28mo" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="1mn" />
  <attribute name="ebas_station_code" value="FR0022R" />
  <attribute name="ebas_platform_code" value="FR0022S" />
  <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
  <attribute name="ebas_station_gaw_id" value="OPE" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="48.562222222222225" />
  <attribute name="ebas_station_longitude" value="5.5055555555555555" />
  <attribute name="ebas_station_altitude" value="392.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="48.562" />
  <attribute name="ebas_measurement_longitude" value="5.505" />
  <attribute name="ebas_measurement_altitude" value="392.0 m" />
  <attribute name="ebas_measurement_height" value="3.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="FR11L" />
  <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
  <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
  <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
  <attribute name="ebas_instrument_model" value="180" />
  <attribute name="ebas_instrument_serial_number" value="18A12017" />
  <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
  <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
  <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="negative values not possible" />
  <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
  <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Conil, Sebastien, Sebastien.Conil@andra.fr, Observatoire Perenne de l'Environnement, ANDRA/OPE, Centre de Meuse/Haute-Marne, RD960, CP9, 55290, Bure, France" />
  <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  <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;Paolo Villani, Sebastien Conil, Paolo Villani, Sebastien Conil, particle_number_size_distribution - optical_particle_size_spectrometer at Observatoire Perenne de l'Environnement, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EVY4-6NGG&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;EVY4-6NGG.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/EVY4-6NGG&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/EVY4-6NGG&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-16T15:33:40.294770 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2020-05-20T08:34:49.610000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20180101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20200518010856&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;28mo&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1mn&quot;,&#xA;    &quot;Station code&quot;: &quot;FR0022R&quot;,&#xA;    &quot;Platform code&quot;: &quot;FR0022S&quot;,&#xA;    &quot;Station name&quot;: &quot;Observatoire Perenne de l'Environnement&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;OPE&quot;,&#xA;    &quot;Station land use&quot;: &quot;Agricultural&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;48.562222222222225&quot;,&#xA;    &quot;Station longitude&quot;: &quot;5.5055555555555555&quot;,&#xA;    &quot;Station altitude&quot;: &quot;392.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;48.562&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;5.505&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;392.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;3.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FR11L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;optical_particle_size_spectrometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;OPC_GRIMM_180&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;GRIMM&quot;,&#xA;    &quot;Instrument model&quot;: &quot;180&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;18A12017&quot;,&#xA;    &quot;Method ref&quot;: &quot;FR11L_GRIMM_180_OPE&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;TSP Grimm Inlet 1.2 l/min&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Nafion dryer&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;drying is activated if the relative air humidity of the sampled air flow is above 55%&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;Measurement uncertainty expl.&quot;: &quot;typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010.&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;negative values not possible&quot;,&#xA;    &quot;Organization&quot;: &quot;FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Conil, Sebastien, Sebastien.Conil@andra.fr, Observatoire Perenne de l'Environnement, ANDRA/OPE, Centre de Meuse/Haute-Marne, RD960, CP9, 55290, Bure, France&quot;,&#xA;    &quot;Submitter&quot;: &quot;Pascal, Nicolas, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment&quot;&#xA;}" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="11665" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="2" />
  <dimension name="pressure_qc_flags" length="1" />
  <dimension name="relative_humidity_qc_flags" length="1" />
  <dimension name="temperature_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_0_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_1_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_2_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_3_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_4_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_5_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_6_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_7_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_8_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_9_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_10_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_11_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_12_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_13_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_14_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_15_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_16_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_17_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_18_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_19_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_20_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_21_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_22_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_23_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_24_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_0_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_1_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_2_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_3_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_4_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_5_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_6_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_7_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_8_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_9_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_10_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_11_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_12_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_13_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_14_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_15_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_16_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_17_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_18_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_19_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_20_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_21_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_22_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_23_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_24_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_0_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_1_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_2_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_3_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_4_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_5_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_6_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_7_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_8_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_9_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_10_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_11_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_12_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_13_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_14_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_15_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_16_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_17_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_18_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_19_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_20_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_21_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_22_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_23_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_24_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2018-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2020-05-01T00:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="6303.0" />
    <attribute name="time_coverage_duration" value="P0Y0M851DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="pressure" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="hPa" />
    <attribute name="ancillary_variables" value="pressure_qc pressure_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="pressure" />
    <attribute name="ebas_unit" value="hPa" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="pressure_qc" shape="pressure_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="pressure_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="relative_humidity" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="relative_humidity" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="%" />
    <attribute name="ancillary_variables" value="relative_humidity_qc relative_humidity_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="relative_humidity" />
    <attribute name="ebas_unit" value="%" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="relative_humidity_qc" shape="relative_humidity_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="relative_humidity_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="temperature" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="K" />
    <attribute name="ancillary_variables" value="temperature_qc temperature_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="temperature" />
    <attribute name="ebas_unit" value="K" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="temperature_qc" shape="temperature_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="temperature_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_0_qc particle_number_size_distribution_amean_0_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_0_qc" shape="particle_number_size_distribution_amean_0_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="particle_number_size_distribution_amean_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_1_qc particle_number_size_distribution_amean_1_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_1_qc" shape="particle_number_size_distribution_amean_1_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="particle_number_size_distribution_amean_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_2_qc particle_number_size_distribution_amean_2_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_2_qc" shape="particle_number_size_distribution_amean_2_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="particle_number_size_distribution_amean_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_3_qc particle_number_size_distribution_amean_3_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_3_qc" shape="particle_number_size_distribution_amean_3_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="particle_number_size_distribution_amean_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_4_qc particle_number_size_distribution_amean_4_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_4_qc" shape="particle_number_size_distribution_amean_4_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="particle_number_size_distribution_amean_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_5_qc particle_number_size_distribution_amean_5_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_5_qc" shape="particle_number_size_distribution_amean_5_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="particle_number_size_distribution_amean_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_6_qc particle_number_size_distribution_amean_6_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_6_qc" shape="particle_number_size_distribution_amean_6_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="particle_number_size_distribution_amean_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_7" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_7_qc particle_number_size_distribution_amean_7_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_7_qc" shape="particle_number_size_distribution_amean_7_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="particle_number_size_distribution_amean_7_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_8" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_8_qc particle_number_size_distribution_amean_8_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_8_qc" shape="particle_number_size_distribution_amean_8_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="particle_number_size_distribution_amean_8_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_9" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_9_qc particle_number_size_distribution_amean_9_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_9_qc" shape="particle_number_size_distribution_amean_9_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="particle_number_size_distribution_amean_9_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_10" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_10_qc particle_number_size_distribution_amean_10_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_10_qc" shape="particle_number_size_distribution_amean_10_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="particle_number_size_distribution_amean_10_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_11" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_11_qc particle_number_size_distribution_amean_11_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_11_qc" shape="particle_number_size_distribution_amean_11_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="particle_number_size_distribution_amean_11_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_12" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_12_qc particle_number_size_distribution_amean_12_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_12_qc" shape="particle_number_size_distribution_amean_12_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="particle_number_size_distribution_amean_12_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_13" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_13_qc particle_number_size_distribution_amean_13_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_13_qc" shape="particle_number_size_distribution_amean_13_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="particle_number_size_distribution_amean_13_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_14" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_14_qc particle_number_size_distribution_amean_14_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_14_qc" shape="particle_number_size_distribution_amean_14_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="particle_number_size_distribution_amean_14_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_15" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_15_qc particle_number_size_distribution_amean_15_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_15_qc" shape="particle_number_size_distribution_amean_15_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="particle_number_size_distribution_amean_15_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_16" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_16_qc particle_number_size_distribution_amean_16_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_16_qc" shape="particle_number_size_distribution_amean_16_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="particle_number_size_distribution_amean_16_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_17" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_17_qc particle_number_size_distribution_amean_17_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_17_qc" shape="particle_number_size_distribution_amean_17_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="particle_number_size_distribution_amean_17_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_18" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_18_qc particle_number_size_distribution_amean_18_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_18_qc" shape="particle_number_size_distribution_amean_18_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="particle_number_size_distribution_amean_18_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_19" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_19_qc particle_number_size_distribution_amean_19_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_19_qc" shape="particle_number_size_distribution_amean_19_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="particle_number_size_distribution_amean_19_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_20" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_20_qc particle_number_size_distribution_amean_20_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_20_qc" shape="particle_number_size_distribution_amean_20_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="particle_number_size_distribution_amean_20_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_21" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_21_qc particle_number_size_distribution_amean_21_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_21_qc" shape="particle_number_size_distribution_amean_21_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="particle_number_size_distribution_amean_21_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_22" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_22_qc particle_number_size_distribution_amean_22_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_22_qc" shape="particle_number_size_distribution_amean_22_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="particle_number_size_distribution_amean_22_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_23" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_23_qc particle_number_size_distribution_amean_23_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_23_qc" shape="particle_number_size_distribution_amean_23_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="particle_number_size_distribution_amean_23_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_24" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_24_qc particle_number_size_distribution_amean_24_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="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_amean_24_qc" shape="particle_number_size_distribution_amean_24_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="particle_number_size_distribution_amean_24_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_0_qc particle_number_size_distribution_prec1587_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_0_qc" shape="particle_number_size_distribution_prec1587_0_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="particle_number_size_distribution_prec1587_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_1_qc particle_number_size_distribution_prec1587_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_1_qc" shape="particle_number_size_distribution_prec1587_1_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="particle_number_size_distribution_prec1587_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_2_qc particle_number_size_distribution_prec1587_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_2_qc" shape="particle_number_size_distribution_prec1587_2_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="particle_number_size_distribution_prec1587_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_3_qc particle_number_size_distribution_prec1587_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_3_qc" shape="particle_number_size_distribution_prec1587_3_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="particle_number_size_distribution_prec1587_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_4_qc particle_number_size_distribution_prec1587_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_4_qc" shape="particle_number_size_distribution_prec1587_4_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="units" value="1" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_5_qc particle_number_size_distribution_prec1587_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_5_qc" shape="particle_number_size_distribution_prec1587_5_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="particle_number_size_distribution_prec1587_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_6_qc particle_number_size_distribution_prec1587_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_6_qc" shape="particle_number_size_distribution_prec1587_6_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="particle_number_size_distribution_prec1587_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_7" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_7_qc particle_number_size_distribution_prec1587_7_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_7_qc" shape="particle_number_size_distribution_prec1587_7_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="particle_number_size_distribution_prec1587_7_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_8" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_8_qc particle_number_size_distribution_prec1587_8_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_8_qc" shape="particle_number_size_distribution_prec1587_8_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="particle_number_size_distribution_prec1587_8_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_9" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_9_qc particle_number_size_distribution_prec1587_9_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_9_qc" shape="particle_number_size_distribution_prec1587_9_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="particle_number_size_distribution_prec1587_9_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_10" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_10_qc particle_number_size_distribution_prec1587_10_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_10_qc" shape="particle_number_size_distribution_prec1587_10_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="particle_number_size_distribution_prec1587_10_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_11" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_11_qc particle_number_size_distribution_prec1587_11_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_11_qc" shape="particle_number_size_distribution_prec1587_11_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="particle_number_size_distribution_prec1587_11_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_12" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_12_qc particle_number_size_distribution_prec1587_12_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_12_qc" shape="particle_number_size_distribution_prec1587_12_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="particle_number_size_distribution_prec1587_12_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_13" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_13_qc particle_number_size_distribution_prec1587_13_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_13_qc" shape="particle_number_size_distribution_prec1587_13_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="particle_number_size_distribution_prec1587_13_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_14" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_14_qc particle_number_size_distribution_prec1587_14_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_14_qc" shape="particle_number_size_distribution_prec1587_14_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="particle_number_size_distribution_prec1587_14_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_15" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_15_qc particle_number_size_distribution_prec1587_15_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_15_qc" shape="particle_number_size_distribution_prec1587_15_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="particle_number_size_distribution_prec1587_15_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_16" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_16_qc particle_number_size_distribution_prec1587_16_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_16_qc" shape="particle_number_size_distribution_prec1587_16_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="particle_number_size_distribution_prec1587_16_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_17" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_17_qc particle_number_size_distribution_prec1587_17_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_17_qc" shape="particle_number_size_distribution_prec1587_17_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="particle_number_size_distribution_prec1587_17_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_18" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_18_qc particle_number_size_distribution_prec1587_18_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_18_qc" shape="particle_number_size_distribution_prec1587_18_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="particle_number_size_distribution_prec1587_18_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_19" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_19_qc particle_number_size_distribution_prec1587_19_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_19_qc" shape="particle_number_size_distribution_prec1587_19_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="particle_number_size_distribution_prec1587_19_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_20" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_20_qc particle_number_size_distribution_prec1587_20_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_20_qc" shape="particle_number_size_distribution_prec1587_20_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="particle_number_size_distribution_prec1587_20_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_21" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_21_qc particle_number_size_distribution_prec1587_21_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_21_qc" shape="particle_number_size_distribution_prec1587_21_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="particle_number_size_distribution_prec1587_21_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_22" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_22_qc particle_number_size_distribution_prec1587_22_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_22_qc" shape="particle_number_size_distribution_prec1587_22_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="particle_number_size_distribution_prec1587_22_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_23" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_23_qc particle_number_size_distribution_prec1587_23_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_23_qc" shape="particle_number_size_distribution_prec1587_23_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="particle_number_size_distribution_prec1587_23_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_24" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_24_qc particle_number_size_distribution_prec1587_24_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_24_qc" shape="particle_number_size_distribution_prec1587_24_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="particle_number_size_distribution_prec1587_24_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_0_qc particle_number_size_distribution_perc8413_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_0_qc" shape="particle_number_size_distribution_perc8413_0_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="particle_number_size_distribution_perc8413_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_1_qc particle_number_size_distribution_perc8413_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_1_qc" shape="particle_number_size_distribution_perc8413_1_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="particle_number_size_distribution_perc8413_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_2_qc particle_number_size_distribution_perc8413_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_2_qc" shape="particle_number_size_distribution_perc8413_2_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="particle_number_size_distribution_perc8413_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_3_qc particle_number_size_distribution_perc8413_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_3_qc" shape="particle_number_size_distribution_perc8413_3_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="particle_number_size_distribution_perc8413_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_4_qc particle_number_size_distribution_perc8413_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_4_qc" shape="particle_number_size_distribution_perc8413_4_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="particle_number_size_distribution_perc8413_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_5_qc particle_number_size_distribution_perc8413_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_5_qc" shape="particle_number_size_distribution_perc8413_5_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="particle_number_size_distribution_perc8413_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_6_qc particle_number_size_distribution_perc8413_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_6_qc" shape="particle_number_size_distribution_perc8413_6_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="particle_number_size_distribution_perc8413_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_7" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_7_qc particle_number_size_distribution_perc8413_7_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_7_qc" shape="particle_number_size_distribution_perc8413_7_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="particle_number_size_distribution_perc8413_7_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_8" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_8_qc particle_number_size_distribution_perc8413_8_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_8_qc" shape="particle_number_size_distribution_perc8413_8_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="particle_number_size_distribution_perc8413_8_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_9" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_9_qc particle_number_size_distribution_perc8413_9_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_9_qc" shape="particle_number_size_distribution_perc8413_9_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="particle_number_size_distribution_perc8413_9_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_10" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_10_qc particle_number_size_distribution_perc8413_10_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_10_qc" shape="particle_number_size_distribution_perc8413_10_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="particle_number_size_distribution_perc8413_10_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_11" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_11_qc particle_number_size_distribution_perc8413_11_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_11_qc" shape="particle_number_size_distribution_perc8413_11_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="particle_number_size_distribution_perc8413_11_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_12" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_12_qc particle_number_size_distribution_perc8413_12_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_12_qc" shape="particle_number_size_distribution_perc8413_12_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="particle_number_size_distribution_perc8413_12_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_13" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_13_qc particle_number_size_distribution_perc8413_13_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_13_qc" shape="particle_number_size_distribution_perc8413_13_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="particle_number_size_distribution_perc8413_13_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_14" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_14_qc particle_number_size_distribution_perc8413_14_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_14_qc" shape="particle_number_size_distribution_perc8413_14_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="particle_number_size_distribution_perc8413_14_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_15" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_15_qc particle_number_size_distribution_perc8413_15_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_15_qc" shape="particle_number_size_distribution_perc8413_15_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="particle_number_size_distribution_perc8413_15_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_16" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_16_qc particle_number_size_distribution_perc8413_16_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_16_qc" shape="particle_number_size_distribution_perc8413_16_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="particle_number_size_distribution_perc8413_16_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_17" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_17_qc particle_number_size_distribution_perc8413_17_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_17_qc" shape="particle_number_size_distribution_perc8413_17_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="particle_number_size_distribution_perc8413_17_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_18" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_18_qc particle_number_size_distribution_perc8413_18_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_18_qc" shape="particle_number_size_distribution_perc8413_18_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="particle_number_size_distribution_perc8413_18_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_19" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_19_qc particle_number_size_distribution_perc8413_19_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_19_qc" shape="particle_number_size_distribution_perc8413_19_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="particle_number_size_distribution_perc8413_19_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_20" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_20_qc particle_number_size_distribution_perc8413_20_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_20_qc" shape="particle_number_size_distribution_perc8413_20_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="particle_number_size_distribution_perc8413_20_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_21" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_21_qc particle_number_size_distribution_perc8413_21_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_21_qc" shape="particle_number_size_distribution_perc8413_21_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="particle_number_size_distribution_perc8413_21_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_22" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_22_qc particle_number_size_distribution_perc8413_22_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_22_qc" shape="particle_number_size_distribution_perc8413_22_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="particle_number_size_distribution_perc8413_22_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_23" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_23_qc particle_number_size_distribution_perc8413_23_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_23_qc" shape="particle_number_size_distribution_perc8413_23_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="particle_number_size_distribution_perc8413_23_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_24" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_24_qc particle_number_size_distribution_perc8413_24_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200518010856" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.562" />
    <attribute name="ebas_measurement_longitude" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPC_GRIMM_180" />
    <attribute name="ebas_instrument_manufacturer" value="GRIMM" />
    <attribute name="ebas_instrument_model" value="180" />
    <attribute name="ebas_instrument_serial_number" value="18A12017" />
    <attribute name="ebas_method_ref" value="FR11L_GRIMM_180_OPE" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP Grimm Inlet 1.2 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="drying is activated if the relative air humidity of the sampled air flow is above 55%" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical deviation to impactor and filter reference methods as determined by Burkart et al., 2010." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="negative values not possible" />
    <attribute name="ebas_organization" value="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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 World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_24_qc" shape="particle_number_size_distribution_perc8413_24_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="particle_number_size_distribution_perc8413_24_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>
