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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="VOC (volatile organic compounds) at SIRTA Atmospheric Research Observatory" />
  <attribute name="keywords" value="SIRTA Atmospheric Research Observatory, ACTRIS, mass_71_organic_compounds, mole_fraction_of_ethanal_in_air, acetonitrile, air, mass_59_organic_compounds, FR0020R, toluene, mass_concentration_of_ethanal_in_air, monoterpenes, mole_fraction_of_monoterpenes_in_air, mole_fraction_of_aceto_nitrile_in_air, methanol, benzene, mole_fraction_of_methanol_in_air, mass_73_organic_compounds, mole_fraction_of_benzene_in_air, mole_fraction_of_toluene_in_air, ethanal, mass_107_organic_compounds, GAW-WDCRG, mass_69_organic_compounds" />
  <attribute name="id" value="EKVK-BJXA.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCRG" />
  <attribute name="acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. 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/EKVK-BJXA" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Gros, V., 2023, VOC (volatile organic compounds) at SIRTA Atmospheric Research Observatory, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EKVK-BJXA" />
  <attribute name="summary" value="VOC (volatile organic compounds) at SIRTA Atmospheric Research Observatory. These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: acetonitrile in air (mole_fraction_of_aceto_nitrile_in_air), acetonitrile in air (mole_fraction_of_aceto_nitrile_in_air), acetonitrile in air (mole_fraction_of_aceto_nitrile_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), ethanal in air (mole_fraction_of_ethanal_in_air), ethanal in air (mass_concentration_of_ethanal_in_air), ethanal in air (mole_fraction_of_ethanal_in_air), ethanal in air (mass_concentration_of_ethanal_in_air), ethanal in air (mole_fraction_of_ethanal_in_air), ethanal in air (mass_concentration_of_ethanal_in_air), mass_107_organic_compounds in air, mass_107_organic_compounds in air, mass_107_organic_compounds in air, mass_59_organic_compounds in air, mass_59_organic_compounds in air, mass_59_organic_compounds in air, mass_69_organic_compounds in air, mass_69_organic_compounds in air, mass_69_organic_compounds in air, mass_71_organic_compounds in air, mass_71_organic_compounds in air, mass_71_organic_compounds in air, mass_73_organic_compounds in air, mass_73_organic_compounds in air, mass_73_organic_compounds in air, methanol in air (mole_fraction_of_methanol_in_air), methanol in air (mole_fraction_of_methanol_in_air), methanol in air (mole_fraction_of_methanol_in_air), monoterpenes in air (mole_fraction_of_monoterpenes_in_air), monoterpenes in air (mole_fraction_of_monoterpenes_in_air), monoterpenes in air (mole_fraction_of_monoterpenes_in_air), toluene in air (mole_fraction_of_toluene_in_air), toluene in air (mole_fraction_of_toluene_in_air), toluene in air (mole_fraction_of_toluene_in_air), toluene in air (mole_fraction_of_toluene_in_air), toluene in air (mole_fraction_of_toluene_in_air), toluene in air (mole_fraction_of_toluene_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2023-05-05T14:35:03 UTC" />
  <attribute name="date_metadata_modified" value="2023-05-05T14:35:03 UTC" />
  <attribute name="creator_name" value="Valerie Gros" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="valerie.gros@lsce.ipsl.fr" />
  <attribute name="creator_institution" value="&quot;Laboratoire des Sciences du Climat et de l'Environnement, SIRTA, LSCE&quot;" />
  <attribute name="contributor_name" value="Nicolas Pascal" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (48.709 2.159 162.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
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  <attribute name="geospatial_vertical_min" type="double" value="162.0" />
  <attribute name="geospatial_vertical_max" type="double" value="162.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2022-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2023-01-01T00:00:00 UTC" />
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  <attribute name="ebas_citation" value="Gros, V., 2023, VOC (volatile organic compounds) at SIRTA Atmospheric Research Observatory, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EKVK-BJXA" />
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  <attribute name="ebas_file_creation" value="2024-02-18T23:47:28.867914 UTC" />
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  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="321s" />
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  <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
  <attribute name="ebas_station_gaw_name" value="SIRTA" />
  <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
  <attribute name="ebas_station_gaw_type" value="O" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="48.70861111111111" />
  <attribute name="ebas_station_longitude" value="2.158888888888889" />
  <attribute name="ebas_station_altitude" value="162.0 m" />
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  <attribute name="ebas_measurement_longitude" value="2.159" />
  <attribute name="ebas_measurement_altitude" value="162.0 m" />
  <attribute name="ebas_measurement_height" value="6.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="FR01L" />
  <attribute name="ebas_instrument_type" value="PTR-MS" />
  <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
  <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
  <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
  <attribute name="ebas_instrument_serial_number" value="68-08-04" />
  <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_calibration_scale" value="NPL" />
  <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
  <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
  <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
  <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
  <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
  <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
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ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France&quot;,&#xA;    &quot;Submitter&quot;: &quot;Pascal, Nicolas, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment&quot;&#xA;}" />
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  <dimension name="time" length="8760" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="acetonitrile_amean_qc_flags" length="3" />
  <dimension name="acetonitrile_ExpUnc2s_qc_flags" length="3" />
  <dimension name="acetonitrile_precision_qc_flags" length="3" />
  <dimension name="benzene_ng_per_m3_amean_qc_flags" length="3" />
  <dimension name="benzene_pmol_per_mol_amean_qc_flags" length="3" />
  <dimension name="benzene_ng_per_m3_ExpUnc2s_qc_flags" length="3" />
  <dimension name="benzene_pmol_per_mol_ExpUnc2s_qc_flags" length="3" />
  <dimension name="benzene_ng_per_m3_precision_qc_flags" length="3" />
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  <dimension name="ethanal_nmol_per_mol_amean_qc_flags" length="3" />
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  <dimension name="ethanal_ug_per_m3_ExpUnc2s_qc_flags" length="3" />
  <dimension name="ethanal_nmol_per_mol_precision_qc_flags" length="3" />
  <dimension name="ethanal_ug_per_m3_precision_qc_flags" length="3" />
  <dimension name="mass_107_organic_compounds_amean_qc_flags" length="3" />
  <dimension name="mass_107_organic_compounds_ExpUnc2s_qc_flags" length="3" />
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  <dimension name="mass_73_organic_compounds_precision_qc_flags" length="3" />
  <dimension name="methanol_amean_qc_flags" length="3" />
  <dimension name="methanol_ExpUnc2s_qc_flags" length="3" />
  <dimension name="methanol_precision_qc_flags" length="3" />
  <dimension name="monoterpenes_amean_qc_flags" length="3" />
  <dimension name="monoterpenes_ExpUnc2s_qc_flags" length="3" />
  <dimension name="monoterpenes_precision_qc_flags" length="3" />
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  <dimension name="toluene_pmol_per_mol_amean_qc_flags" length="3" />
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    <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="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="acetonitrile" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="22.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="acetonitrile_amean_qc" shape="acetonitrile_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="acetonitrile_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="acetonitrile_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_aceto_nitrile_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="acetonitrile_ExpUnc2s_qc acetonitrile_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="acetonitrile" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="acetonitrile_ExpUnc2s_qc" shape="acetonitrile_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="acetonitrile_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="acetonitrile_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_aceto_nitrile_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="acetonitrile_precision_qc acetonitrile_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="acetonitrile" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="acetonitrile_precision_qc" shape="acetonitrile_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="acetonitrile_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzene_ng_per_m3_amean_qc benzene_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <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="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="118.49 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.4851. Detection limit converted from '34.0 pmol/mol' to '118.49 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.4851." />
  </variable>
  <variable name="benzene_ng_per_m3_amean_qc" shape="benzene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="benzene_pmol_per_mol_amean_qc benzene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <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="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="34.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="benzene_pmol_per_mol_amean_qc" shape="benzene_pmol_per_mol_amean_qc_flags time" type="int">
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    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzene_ng_per_m3_ExpUnc2s_qc benzene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.4851." />
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  <variable name="benzene_ng_per_m3_ExpUnc2s_qc" shape="benzene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
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  <variable name="benzene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="benzene_pmol_per_mol_ExpUnc2s_qc benzene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
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    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
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    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
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    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
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    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="benzene_pmol_per_mol_ExpUnc2s_qc" shape="benzene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzene_ng_per_m3_precision_qc benzene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
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    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
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    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
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    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.4851." />
  </variable>
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    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="benzene_pmol_per_mol_precision_qc benzene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="benzene_pmol_per_mol_precision_qc" shape="benzene_pmol_per_mol_precision_qc_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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  <variable name="benzene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanal_nmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethanal_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="ethanal_nmol_per_mol_amean_qc ethanal_nmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <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="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanal" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_detection_limit" value="0.106 nmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds -- Data converted on import into EBAS from 'pmol/mol' to 'ug/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.001965444. Detection limit converted from '106.0 pmol/mol' to '0.2083371 ug/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.001965444. -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.50879088. Detection limit converted from '0.2083371 ug/m3' at 273.15 K, 1013.25 hPa to '0.106 nmol/mol', conversion factor 0.50879088." />
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  <variable name="ethanal_nmol_per_mol_amean_qc" shape="ethanal_nmol_per_mol_amean_qc_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanal_ug_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ethanal_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ethanal_ug_per_m3_amean_qc ethanal_ug_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <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="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
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    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanal" />
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    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
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    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
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    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds -- Data converted on import into EBAS from 'pmol/mol' to 'ug/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.001965444. Detection limit converted from '106.0 pmol/mol' to '0.2083371 ug/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.001965444." />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethanal_nmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethanal_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="ethanal_nmol_per_mol_ExpUnc2s_qc ethanal_nmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
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    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethanal" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds -- Data converted on import into EBAS from 'pmol/mol' to 'ug/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.001965444. -- Data converted on export from EBAS from 'ug/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.50879088." />
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    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mass_107_organic_compounds" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="32.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
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    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
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    <attribute name="ebas_station_code" value="FR0020R" />
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    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mass_107_organic_compounds" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
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    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
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    <attribute name="cell_methods" value="time: precision" />
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    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mass_107_organic_compounds" />
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    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
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    <attribute name="ebas_station_altitude" value="162.0 m" />
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    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
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  </variable>
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    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
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    <attribute name="ebas_measuremenet_latitude" value="48.709" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mass_59_organic_compounds" />
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    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
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    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
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    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mass_59_organic_compounds" />
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    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
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    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
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    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
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    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
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  </variable>
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  <variable name="mass_73_organic_compounds_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="mass_73_organic_compounds_amean_qc mass_73_organic_compounds_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <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="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mass_73_organic_compounds" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="41.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="mass_73_organic_compounds_amean_qc" shape="mass_73_organic_compounds_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="mass_73_organic_compounds_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="mass_73_organic_compounds_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="mass_73_organic_compounds_ExpUnc2s_qc mass_73_organic_compounds_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mass_73_organic_compounds" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="mass_73_organic_compounds_ExpUnc2s_qc" shape="mass_73_organic_compounds_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="mass_73_organic_compounds_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="mass_73_organic_compounds_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="mass_73_organic_compounds_precision_qc mass_73_organic_compounds_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mass_73_organic_compounds" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="mass_73_organic_compounds_precision_qc" shape="mass_73_organic_compounds_precision_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="mass_73_organic_compounds_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="methanol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_methanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="methanol_amean_qc methanol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <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="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="methanol" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="491.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="methanol_amean_qc" shape="methanol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="methanol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="methanol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_methanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="methanol_ExpUnc2s_qc methanol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="methanol" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="methanol_ExpUnc2s_qc" shape="methanol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="methanol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="methanol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_methanol_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="methanol_precision_qc methanol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="methanol" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="methanol_precision_qc" shape="methanol_precision_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="methanol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="monoterpenes_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_monoterpenes_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="monoterpenes_amean_qc monoterpenes_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <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="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="monoterpenes" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="36.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="monoterpenes_amean_qc" shape="monoterpenes_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="monoterpenes_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="monoterpenes_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_monoterpenes_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="monoterpenes_ExpUnc2s_qc monoterpenes_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="monoterpenes" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="monoterpenes_ExpUnc2s_qc" shape="monoterpenes_ExpUnc2s_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="monoterpenes_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="monoterpenes_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_monoterpenes_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="monoterpenes_precision_qc monoterpenes_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="monoterpenes" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="monoterpenes_precision_qc" shape="monoterpenes_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="monoterpenes_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="toluene_ng_per_m3_amean_qc toluene_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <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="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="226.1 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.1109. Detection limit converted from '55.0 pmol/mol' to '226.1 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.1109." />
  </variable>
  <variable name="toluene_ng_per_m3_amean_qc" shape="toluene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="toluene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="toluene_pmol_per_mol_amean_qc toluene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <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="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="55.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="toluene_pmol_per_mol_amean_qc" shape="toluene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="units" value="1" />
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    <attribute name="standard_name" value="status_flag" />
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  </variable>
  <variable name="toluene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="toluene_ng_per_m3_ExpUnc2s_qc toluene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
    <attribute name="ebas_secondary_standard_id" value="SIAD SN D155286 C0583154" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
    <attribute name="ebas_measurement_uncertainty_expl" value="based on the method described in the draft version of the ACTRIS PTRMS guidelines 2022" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.1109." />
  </variable>
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    <attribute name="standard_name" value="status_flag" />
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  <variable name="toluene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="toluene_pmol_per_mol_ExpUnc2s_qc toluene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230505143503" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
    <attribute name="ebas_station_gaw_name" value="SIRTA" />
    <attribute name="ebas_station_other_ids" value="0-250-1001-07151 (WIGOS)" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="pmol/mol" />
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    <attribute name="ebas_laboratory_code" value="FR01L" />
    <attribute name="ebas_instrument_type" value="PTR-MS" />
    <attribute name="ebas_instrument_name" value="Ionicon_HS-PTR-MS" />
    <attribute name="ebas_instrument_manufacturer" value="Ionicon Analytik" />
    <attribute name="ebas_instrument_model" value="High-Sensitivity PTR-QMS" />
    <attribute name="ebas_instrument_serial_number" value="68-08-04" />
    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="NPL, Cylinder D600076" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="detection limit equals 3 times the square root of the blank signal, divided by the unnormalized measured sensitivity" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCRG. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="toluene_pmol_per_mol_ExpUnc2s_qc" shape="toluene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="toluene_ng_per_m3_precision_qc toluene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_orig_time_res" value="321s" />
    <attribute name="ebas_station_code" value="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
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    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
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    <attribute name="ebas_method_ref" value="FR01L_OVOC_analysis" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth" />
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    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
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    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.1109." />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
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    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="toluene_pmol_per_mol_precision_qc toluene_pmol_per_mol_precision_ebasmetadata" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="48.70861111111111" />
    <attribute name="ebas_station_longitude" value="2.158888888888889" />
    <attribute name="ebas_station_altitude" value="162.0 m" />
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    <attribute name="ebas_originator" value="Gros, Valerie, valerie.gros@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
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    <attribute name="ebas_comment" value="Negative points within the detection limit kept for low values variability ; Mz_69 mass (isoprene) is the sum of isoprene and furan compounds ; Mz_47 mass (ethanol) is the sum of ethanol and formic acid compounds" />
  </variable>
  <variable name="toluene_pmol_per_mol_precision_qc" shape="toluene_pmol_per_mol_precision_qc_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <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" />
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    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
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  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
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    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
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    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
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</netcdf>
