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  <attribute name="title" value="PAHs (polycyclic aromatic hydrocarbons, 16) at Rucava" />
  <attribute name="summary" value="PAHs (polycyclic aromatic hydrocarbons, 16) at Rucava. These measurements are gathered as a part of the following projects EMEP 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)']" />
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  <attribute name="citation" value="Indriksone, I., EMEP, 2025, PAHs (polycyclic aromatic hydrocarbons, 16) at Rucava, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YMDJ-UZ8H" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="LV33L &quot;Latvian Environment, Geology and Meteorology Centre&quot; &quot;Monitoring  Department&quot; &quot;Maskavas Str. 165&quot; LV-1019 Riga Latvia" />
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  <attribute name="date_created" value="2025-10-23T12:27:56.221892Z" />
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  <attribute name="creator_name" value="Iveta Indriksone" />
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  <attribute name="contributor_name" value="Aleksandra Kanisceva, Una Briza" />
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  <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
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  <attribute name="ebas_originator" value="&quot;Indriksone, Iveta, , , , , , , , , &quot;" />
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    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Indriksone, Iveta, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Kanisceva, Aleksandra, aleksandra.kanisceva@lvgmc.lv, Latvian Environment Geology and Meteorology Centre, LEGMC, Monitoring Department, Maskavas 165, , 1019, Riga, Latvia&quot;, &quot;Briza, Una, una.briza@lvgmc.lv, Latvian Environment Geology and Meteorology Centre, LEGMC, Monitoring Department, Latgales 165, , 1019, Riga, Latvia&quot;" />
    <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 framework: EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleindeno-1-2-3-cdpyrenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle indeno(1,2,3-cd)pyrene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM10" />
    <attribute name="actris_matrix_preferred_term" value="PM10" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
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    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="inden_123cd_pyrene_qc" shape="inden_123cd_pyrene_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="inden_123cd_pyrene_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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
