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  <attribute name="title" value="Ground based in situ observations of online_gc at Tacolneston (GB0057R)" />
  <attribute name="keywords" value="sulfuryl_fluoride, air, PFC-116, UK_DECC, HFC-365mfc, CFC-113, trichloromethane, GB0057R, Tacolneston, GAW-WDCGG-node, PFC-14, dichloromethane, HFC-125, trichloroethane, HFC-152a, CFC-115, H-1301, sulfur_hexafluoride, HFC-23, PFC-218, HFC-236fa, tetrachloroethene, HFC-227ea" />
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  <attribute name="doi" value="https://doi.org/10.48597/33TA-ZEZT" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Simon O'Doherty, Aoife Grant, Dickon Young, David Oram, Stephen Humphrey, Simon O'Doherty, Aoife Grant, Dickon Young, David Oram, Stephen Humphrey, CFC-113, CFC-115, H-1301, HFC-125, HFC-152a, HFC-227ea, HFC-23, HFC-236fa, HFC-365mfc, PFC-116, PFC-14, PFC-218, dichloromethane, sulfur_hexafluoride, sulfuryl_fluoride, tetrachloroethene, trichloroethane, trichloromethane - online_gc at Tacolneston, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/33TA-ZEZT" />
  <attribute name="summary" value="Ground based in situ observations of online_gc at Tacolneston (GB0057R). These measurements are gathered as a part of the following projects GAW-WDCGG-node, UK_DECC and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: CFC-113 in air, CFC-115 in air, H-1301 in air, HFC-125 in air, HFC-152a in air, HFC-227ea in air, HFC-23 in air, HFC-236fa in air, HFC-365mfc in air, PFC-116 in air, PFC-14 in air, PFC-218 in air, dichloromethane in air, dichloromethane in air, sulfur_hexafluoride in air, sulfuryl_fluoride in air, tetrachloroethene in air, tetrachloroethene in air, trichloroethane in air, trichloroethane in air, trichloromethane in air" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="GB05L, ACRG, University of Bristol, School of Chemistry, Cantocks Close, BS8 1TS, Bristol, United Kingdom, UNIVBRIS, Cantocks Close,, BS8 1TS, Bristol, United Kingdom" />
  <attribute name="date_created" value="2015-06-24T10:37:42 UTC" />
  <attribute name="date_metadata_modified" value="2015-06-24T10:37:42 UTC" />
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  <attribute name="contributor_name" value="Aoife Grant, Aoife Grant" />
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  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
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  <attribute name="time_coverage_start" value="2012-08-06T16:48:24 UTC" />
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    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
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    <attribute name="ebas_framework_contact_email" value=", " />
  </variable>
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="PFC-218_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="dichloromethane_ng_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_dichloromethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="dichloromethane_ng_per_m3_qc dichloromethane_ng_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 3sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150624103643" />
    <attribute name="ebas_statistics" value="expanded uncertainty 3sigma" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_station_code" value="GB0057R" />
    <attribute name="ebas_platform_code" value="GB0057S" />
    <attribute name="ebas_station_name" value="Tacolneston" />
    <attribute name="ebas_station_latitude" value="52.5177" />
    <attribute name="ebas_station_longitude" value="-1.1386" />
    <attribute name="ebas_station_altitude" value="56.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="dichloromethane" />
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    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB05L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA_TAC" />
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    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
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    <attribute name="ebas_framework_acronym" value="GAW-WDCGG-node, UK_DECC" />
    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
    <attribute name="ebas_framework_description" value=", " />
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    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.7890." />
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  <variable name="dichloromethane_ng_per_m3_qc" shape="dichloromethane_ng_per_m3_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="dichloromethane_ng_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="dichloromethane_pmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_dichloromethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="cell_methods" value="time: expanded uncertainty 3sigma" />
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    <attribute name="ebas_statistics" value="expanded uncertainty 3sigma" />
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    <attribute name="ebas_station_name" value="Tacolneston" />
    <attribute name="ebas_station_latitude" value="52.5177" />
    <attribute name="ebas_station_longitude" value="-1.1386" />
    <attribute name="ebas_station_altitude" value="56.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="dichloromethane" />
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    <attribute name="ebas_laboratory_code" value="GB05L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA_TAC" />
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    <attribute name="ebas_framework_acronym" value="GAW-WDCGG-node, UK_DECC" />
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    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
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  </variable>
  <variable name="dichloromethane_pmol_per_mol_qc" shape="dichloromethane_pmol_per_mol_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="dichloromethane_pmol_per_mol_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulfur_hexafluoride" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_sulfur_hexafluoride_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="sulfur_hexafluoride_qc sulfur_hexafluoride_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 3sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150624103703" />
    <attribute name="ebas_statistics" value="expanded uncertainty 3sigma" />
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    <attribute name="ebas_platform_code" value="GB0057S" />
    <attribute name="ebas_station_name" value="Tacolneston" />
    <attribute name="ebas_station_latitude" value="52.5177" />
    <attribute name="ebas_station_longitude" value="-1.1386" />
    <attribute name="ebas_station_altitude" value="56.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulfur_hexafluoride" />
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    <attribute name="ebas_laboratory_code" value="GB05L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA_TAC" />
    <attribute name="ebas_method_ref" value="GB05L_ACRG_DECC_MEDUSA" />
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    <attribute name="ebas_framework_acronym" value="GAW-WDCGG-node, UK_DECC" />
    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
    <attribute name="ebas_framework_description" value=", " />
    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
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  <variable name="sulfur_hexafluoride_qc" shape="sulfur_hexafluoride_qc_flags time" type="int">
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    <attribute name="units" value="1" />
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  <variable name="sulfur_hexafluoride_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulfuryl_fluoride" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_sulphate_corrected_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="sulfuryl_fluoride_qc sulfuryl_fluoride_ebasmetadata" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150624103712" />
    <attribute name="ebas_statistics" value="expanded uncertainty 3sigma" />
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    <attribute name="ebas_station_longitude" value="-1.1386" />
    <attribute name="ebas_station_altitude" value="56.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulfuryl_fluoride" />
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    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="tetrachloroethene_ng_per_m3" shape="time" type="double">
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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_longitude" value="-1.1386" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="tetrachloroethene" />
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    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 7.398." />
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  <variable name="tetrachloroethene_ng_per_m3_qc" shape="tetrachloroethene_ng_per_m3_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="tetrachloroethene_pmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_tetrachloroethene_in_air" />
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    <attribute name="ebas_station_longitude" value="-1.1386" />
    <attribute name="ebas_station_altitude" value="56.0 m" />
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    <attribute name="ebas_laboratory_code" value="GB05L" />
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    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="trichloroethane_ng_per_m3" shape="time" type="double">
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    <attribute name="standard_name" value="mass_concentration_of_trichloroethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_statistics" value="expanded uncertainty 3sigma" />
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    <attribute name="ebas_station_name" value="Tacolneston" />
    <attribute name="ebas_station_latitude" value="52.5177" />
    <attribute name="ebas_station_longitude" value="-1.1386" />
    <attribute name="ebas_station_altitude" value="56.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="trichloroethane" />
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    <attribute name="ebas_laboratory_code" value="GB05L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA_TAC" />
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    <attribute name="ebas_framework_acronym" value="GAW-WDCGG-node, UK_DECC" />
    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
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    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
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    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.951." />
  </variable>
  <variable name="trichloroethane_ng_per_m3_qc" shape="trichloroethane_ng_per_m3_qc_flags time" type="int">
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    <attribute name="units" value="1" />
  </variable>
  <variable name="trichloroethane_ng_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="trichloroethane_pmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_trichloroethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="trichloroethane_pmol_per_mol_qc trichloroethane_pmol_per_mol_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 3sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_statistics" value="expanded uncertainty 3sigma" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_station_code" value="GB0057R" />
    <attribute name="ebas_platform_code" value="GB0057S" />
    <attribute name="ebas_station_name" value="Tacolneston" />
    <attribute name="ebas_station_latitude" value="52.5177" />
    <attribute name="ebas_station_longitude" value="-1.1386" />
    <attribute name="ebas_station_altitude" value="56.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="trichloroethane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB05L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA_TAC" />
    <attribute name="ebas_method_ref" value="GB05L_ACRG_DECC_MEDUSA" />
    <attribute name="ebas_organization" value="GB05L, &quot;ACRG, University of Bristol, School of Chemistry, Cantocks Close, BS8 1TS, Bristol, United Kingdom&quot;, UNIVBRIS, , &quot;Cantocks Close,, BS8 1TS, Bristol, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCGG-node, UK_DECC" />
    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
    <attribute name="ebas_framework_description" value=", " />
    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value=", " />
  </variable>
  <variable name="trichloroethane_pmol_per_mol_qc" shape="trichloroethane_pmol_per_mol_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="trichloroethane_pmol_per_mol_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="trichloromethane" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_trichloromethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="trichloromethane_qc trichloromethane_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 3sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150624103659" />
    <attribute name="ebas_statistics" value="expanded uncertainty 3sigma" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_station_code" value="GB0057R" />
    <attribute name="ebas_platform_code" value="GB0057S" />
    <attribute name="ebas_station_name" value="Tacolneston" />
    <attribute name="ebas_station_latitude" value="52.5177" />
    <attribute name="ebas_station_longitude" value="-1.1386" />
    <attribute name="ebas_station_altitude" value="56.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="trichloromethane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB05L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA_TAC" />
    <attribute name="ebas_method_ref" value="GB05L_ACRG_DECC_MEDUSA" />
    <attribute name="ebas_organization" value="GB05L, &quot;ACRG, University of Bristol, School of Chemistry, Cantocks Close, BS8 1TS, Bristol, United Kingdom&quot;, UNIVBRIS, , &quot;Cantocks Close,, BS8 1TS, Bristol, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCGG-node, UK_DECC" />
    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
    <attribute name="ebas_framework_description" value=", " />
    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value=", " />
  </variable>
  <variable name="trichloromethane_qc" shape="trichloromethane_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="trichloromethane_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
