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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="PAHs (polycyclic aromatic hydrocarbons, 16) at Rucava" />
  <attribute name="keywords" value="benz_a_anthracene, benzo_b_fluoranthene, pm10, EMEP, benzo_k_fluoranthene, mass_concentration_of_dibenzo_ah_anthracene_in_pm10_in_air, Rucava, mass_concentration_of_benzo_b_fluoranthene_in_pm10_in_air, inden_123cd_pyrene, mass_concentration_of_benz_a_anthracene_in_pm10_in_air, dibenzo_ah_anthracene, mass_concentration_of_inden_123cd_pyrene_in_pm10_in_air, LV0010R, benzo_a_pyrene, mass_concentration_of_benzo_k_fluoranthene_in_pm10_in_air, GAW-WDCA, EMEP_preliminary, mass_concentration_of_benzo_a_pyrene_in_pm10_in_air" />
  <attribute name="id" value="JQ85-KAQ3.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, EMEP_preliminary, GAW-WDCA" />
  <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.|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 framework: EMEP.|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: EMEP, GAW-WDCA.|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: EMEP_preliminary, GAW-WDCA." separator="|" />
  <attribute name="doi" value="https://doi.org/10.48597/JQ85-KAQ3" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Indriksone, I., Indriksone, I., Indriksone, I., Indriksone, I., 2019, PAHs (polycyclic aromatic hydrocarbons, 16) at Rucava, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JQ85-KAQ3" />
  <attribute name="summary" value="PAHs (polycyclic aromatic hydrocarbons, 16) at Rucava. These measurements are gathered as a part of the following projects EMEP, EMEP_preliminary, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: benz_a_anthracene in pm10 (mass_concentration_of_benz_a_anthracene_in_pm10_in_air), benzo_a_pyrene in pm10 (mass_concentration_of_benzo_a_pyrene_in_pm10_in_air), benzo_b_fluoranthene in pm10 (mass_concentration_of_benzo_b_fluoranthene_in_pm10_in_air), benzo_k_fluoranthene in pm10 (mass_concentration_of_benzo_k_fluoranthene_in_pm10_in_air), dibenzo_ah_anthracene in pm10 (mass_concentration_of_dibenzo_ah_anthracene_in_pm10_in_air), inden_123cd_pyrene in pm10 (mass_concentration_of_inden_123cd_pyrene_in_pm10_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="LV33L, Latvian Environment, Geology and Meteorology Centre, Monitoring  Department, Maskavas Str. 165, LV-1019, Riga, Latvia" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2019-08-22T09:23:22 UTC" />
  <attribute name="date_metadata_modified" value="2019-08-22T09:23:22 UTC" />
  <attribute name="creator_name" value="Iveta Indriksone, Iveta Indriksone, Iveta Indriksone, Iveta Indriksone" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", , , " />
  <attribute name="creator_institution" value=", , , " />
  <attribute name="contributor_name" value="Marina Frolova, Marina Frolova, Marina Frolova, Marina Frolova" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (56.161944 21.173056 18.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="56.161944" />
  <attribute name="geospatial_lat_max" type="double" value="56.161944" />
  <attribute name="geospatial_lon_min" type="double" value="21.173056" />
  <attribute name="geospatial_lon_max" type="double" value="21.173056" />
  <attribute name="geospatial_vertical_min" type="double" value="18.0" />
  <attribute name="geospatial_vertical_max" type="double" value="18.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2013-12-30T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2018-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0004-00-02T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-07T00:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Indriksone, I., Indriksone, I., Indriksone, I., Indriksone, I., 2019, PAHs (polycyclic aromatic hydrocarbons, 16) at Rucava, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JQ85-KAQ3" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
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  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/JQ85-KAQ3" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/JQ85-KAQ3" />
  <attribute name="ebas_file_creation" value="2024-02-14T09:19:26.998482 UTC" />
  <attribute name="ebas_export_state" value="2018-10-30T13:12:26.540000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20131230000000" />
  <attribute name="ebas_revision_date" value="20190822092322" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="4y" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_sample_duration" value="1w" />
  <attribute name="ebas_orig_time_res" value="1d" />
  <attribute name="ebas_station_code" value="LV0010R" />
  <attribute name="ebas_platform_code" value="LV0010S" />
  <attribute name="ebas_station_name" value="Rucava" />
  <attribute name="ebas_station_latitude" value="56.161944" />
  <attribute name="ebas_station_longitude" value="21.173056" />
  <attribute name="ebas_station_altitude" value="18.0 m" />
  <attribute name="ebas_measurement_altitude" value="18.0 m" />
  <attribute name="ebas_measurement_height" value="3.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ng/m3" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="LV33L" />
  <attribute name="ebas_instrument_type" value="b-attenuation" />
  <attribute name="ebas_instrument_name" value="LEGMC_lvs_0010" />
  <attribute name="ebas_instrument_manufacturer" value="Opsis" />
  <attribute name="ebas_instrument_model" value="SM200" />
  <attribute name="ebas_instrument_serial_number" value="1262" />
  <attribute name="ebas_method_ref" value="LV33L_LEGMC_Agilent_6890N_GC_CN10523011" />
  <attribute name="ebas_inlet_type" value="Selective filtration" />
  <attribute name="ebas_medium" value="Teflon" />
  <attribute name="ebas_sample_preparation" value="ASE extraction" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_organization" value="LV33L, &quot;Latvian Environment, Geology and Meteorology Centre&quot;, , Monitoring  Department, Maskavas Str. 165, , LV-1019, Riga, Latvia" />
  <attribute name="ebas_originator" value="Indriksone, Iveta, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Frolova, Marina, , , , , , , , , " />
  <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." />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Indriksone, I., Indriksone, I., Indriksone, I., Indriksone, I., 2019, PAHs (polycyclic aromatic hydrocarbons, 16) at Rucava, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JQ85-KAQ3&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;JQ85-KAQ3.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/JQ85-KAQ3&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/JQ85-KAQ3&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-02-14T09:19:26.998482 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2018-10-30T13:12:26.540000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20131230000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20190822092322&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;4y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1w&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1w&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1d&quot;,&#xA;    &quot;Station code&quot;: &quot;LV0010R&quot;,&#xA;    &quot;Platform code&quot;: &quot;LV0010S&quot;,&#xA;    &quot;Station name&quot;: &quot;Rucava&quot;,&#xA;    &quot;Station latitude&quot;: &quot;56.161944&quot;,&#xA;    &quot;Station longitude&quot;: &quot;21.173056&quot;,&#xA;    &quot;Station altitude&quot;: &quot;18.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;18.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;3.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Unit&quot;: &quot;ng/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm10&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;LV33L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;b-attenuation&quot;,&#xA;    &quot;Instrument name&quot;: &quot;LEGMC_lvs_0010&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Opsis&quot;,&#xA;    &quot;Instrument model&quot;: &quot;SM200&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;1262&quot;,&#xA;    &quot;Method ref&quot;: &quot;LV33L_LEGMC_Agilent_6890N_GC_CN10523011&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Selective filtration&quot;,&#xA;    &quot;Medium&quot;: &quot;Teflon&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;ASE extraction&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Blank corrected&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Heating to 40% RH, limit 40 deg. C&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Organization&quot;: &quot;LV33L, \&quot;Latvian Environment, Geology and Meteorology Centre\&quot;, , Monitoring  Department, Maskavas Str. 165, , LV-1019, Riga, Latvia&quot;,&#xA;    &quot;Originator&quot;: &quot;Indriksone, Iveta, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Frolova, Marina, , , , , , , , , &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.&quot;&#xA;}" />
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  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="209" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="4" />
  <dimension name="benz_a_anthracene_qc_flags" length="1" />
  <dimension name="benzo_a_pyrene_qc_flags" length="1" />
  <dimension name="benzo_b_fluoranthene_qc_flags" length="1" />
  <dimension name="benzo_k_fluoranthene_qc_flags" length="1" />
  <dimension name="dibenzo_ah_anthracene_qc_flags" length="1" />
  <dimension name="inden_123cd_pyrene_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2014-01-02T12:00:00Z" />
    <attribute name="time_coverage_end" value="2017-12-28T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="604800.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1456DT0H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-04-12" />
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    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="benz_a_anthracene_qc benz_a_anthracene_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_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_inlet_type" value="Selective filtration" />
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  </variable>
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
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    <attribute name="ebas_laboratory_code" value="LV33L" />
    <attribute name="ebas_instrument_type" value="b-attenuation" />
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    <attribute name="ebas_instrument_manufacturer" value="Opsis" />
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    <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
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    <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." />
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    <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_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="LV0010R" />
    <attribute name="ebas_platform_code" value="LV0010S" />
    <attribute name="ebas_station_name" value="Rucava" />
    <attribute name="ebas_station_latitude" value="56.161944" />
    <attribute name="ebas_station_longitude" value="21.173056" />
    <attribute name="ebas_station_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzo_b_fluoranthene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
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    <attribute name="ebas_instrument_name" value="LEGMC_lvs_0010" />
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    <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." />
  </variable>
  <variable name="benzo_b_fluoranthene_qc" shape="benzo_b_fluoranthene_qc_flags time" type="int">
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  <variable name="benzo_b_fluoranthene_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_benzo_k_fluoranthene_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzo_k_fluoranthene_qc benzo_k_fluoranthene_ebasmetadata" />
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    <attribute name="ebas_revision_date" value="20190822092322" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="LV0010R" />
    <attribute name="ebas_platform_code" value="LV0010S" />
    <attribute name="ebas_station_name" value="Rucava" />
    <attribute name="ebas_station_latitude" value="56.161944" />
    <attribute name="ebas_station_longitude" value="21.173056" />
    <attribute name="ebas_station_altitude" value="18.0 m" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzo_k_fluoranthene" />
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    <attribute name="ebas_matrix" value="pm10" />
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    <attribute name="ebas_instrument_type" value="b-attenuation" />
    <attribute name="ebas_instrument_name" value="LEGMC_lvs_0010" />
    <attribute name="ebas_instrument_manufacturer" value="Opsis" />
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    <attribute name="ebas_instrument_serial_number" value="1262" />
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    <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." />
  </variable>
  <variable name="benzo_k_fluoranthene_qc" shape="benzo_k_fluoranthene_qc_flags time" type="int">
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  <variable name="benzo_k_fluoranthene_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="dibenzo_ah_anthracene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_station_code" value="LV0010R" />
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    <attribute name="ebas_station_name" value="Rucava" />
    <attribute name="ebas_station_latitude" value="56.161944" />
    <attribute name="ebas_station_longitude" value="21.173056" />
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    <attribute name="ebas_measurement_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="dibenzo_ah_anthracene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="LV33L" />
    <attribute name="ebas_instrument_type" value="b-attenuation" />
    <attribute name="ebas_instrument_name" value="LEGMC_lvs_0010" />
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    <attribute name="ebas_instrument_serial_number" value="1262" />
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    <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." />
  </variable>
  <variable name="dibenzo_ah_anthracene_qc" shape="dibenzo_ah_anthracene_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="dibenzo_ah_anthracene_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="inden_123cd_pyrene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_inden_123cd_pyrene_in_pm10_in_air" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_station_code" value="LV0010R" />
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    <attribute name="ebas_station_name" value="Rucava" />
    <attribute name="ebas_station_latitude" value="56.161944" />
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    <attribute name="ebas_component" value="inden_123cd_pyrene" />
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  <variable name="inden_123cd_pyrene_ebasmetadata" shape="metadata_time" type="String">
    <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" />
    <attribute name="_CoordinateAxisType" value="Time" />
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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" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
