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  <attribute name="title" value="PAHs (polycyclic aromatic hydrocarbons) at Puntijarka" />
  <attribute name="summary" value="PAHs (polycyclic aromatic hydrocarbons) at Puntijarka. 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 air+aerosol (mass_concentration_of_benz_a_anthracene_in_aerosol)', 'benzo_a_pyrene in air+aerosol (mass_concentration_of_benzo_a_pyrene_in_aerosol)', 'benzo_b_fluoranthene in air+aerosol (mass_concentration_of_benzo_b_fluoranthene_in_aerosol)', 'benzo_ghi_perylene in air+aerosol (mass_concentration_of_benzo_ghi_perylene_in_aerosol)', 'benzo_j_fluoranthene in air+aerosol (mass_concentration_of_benzo_j_fluoranthene_in_aerosol)', 'benzo_k_fluoranthene in air+aerosol (mass_concentration_of_benzo_k_fluoranthene_in_aerosol)', 'chrysene in air+aerosol (mass_concentration_of_chrysene_in_aerosol)', 'dibenzo_ah_anthracene in air+aerosol (mass_concentration_of_dibenzo_ah_anthracene_in_aerosol)', 'inden_123cd_pyrene in air+aerosol (mass_concentration_of_inden_123cd_pyrene_in_aerosol)']" />
  <attribute name="keywords" value="Puntijarka HR0002R benz_a_anthracene benzo_a_pyrene benzo_b_fluoranthene benzo_ghi_perylene benzo_j_fluoranthene benzo_k_fluoranthene chrysene dibenzo_ah_anthracene inden_123cd_pyrene air+aerosol EMEP mass_concentration_of_benz_a_anthracene_in_aerosol mass_concentration_of_benzo_a_pyrene_in_aerosol mass_concentration_of_benzo_b_fluoranthene_in_aerosol mass_concentration_of_benzo_ghi_perylene_in_aerosol mass_concentration_of_benzo_j_fluoranthene_in_aerosol mass_concentration_of_benzo_k_fluoranthene_in_aerosol mass_concentration_of_chrysene_in_aerosol mass_concentration_of_dibenzo_ah_anthracene_in_aerosol mass_concentration_of_inden_123cd_pyrene_in_aerosol" />
  <attribute name="id" value="FRSF-M9RJ.nc" />
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  <attribute name="project" value="EMEP" />
  <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 framework: EMEP." />
  <attribute name="doi" value="https://doi.org/10.48597/FRSF-M9RJ" />
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  <attribute name="citation" value="Dabić, D., EMEP, 2026, PAHs (polycyclic aromatic hydrocarbons) at Puntijarka, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/FRSF-M9RJ" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="HR01L &quot;Meteorological and Hydrological Service of Croatia&quot; &quot;Environment Division&quot; &quot;Gric 3, P.O.Box 254&quot; 10000 Zagreb Croatia" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-07-23T13:51:56.473282Z" />
  <attribute name="date_metadata_modified" value="2026-06-19T00:00:00Z" />
  <attribute name="creator_name" value="Dario Dabić" />
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  <attribute name="contributor_name" value="Dario Dabić" />
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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="ebas_period_code" value="52w" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_sample_duration" value="1w" />
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  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ng/m3" />
  <attribute name="ebas_matrix" value="air+aerosol" />
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  <attribute name="ebas_analytical_instrument_name" value="DHMZ_GCMSMS" />
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  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Downward facing" />
  <attribute name="ebas_flow_rate" value="235.0 l/min" />
  <attribute name="ebas_filter_description" value="Whatman QMA 150 mm" />
  <attribute name="ebas_medium" value="Filter+PUF (Polyurethane foam)" />
  <attribute name="ebas_sample_preparation" value="DCM extraction by ASE" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
  <attribute name="ebas_detection_limit_expl" value="determined by taking 10 times standard deviation of ensemble of laboratory blanks" />
  <attribute name="ebas_organization" value="HR01L, Meteorological and Hydrological Service of Croatia, , Environment Division, &quot;Gric 3, P.O.Box 254&quot;, , 10000, Zagreb, Croatia" />
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  <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
  <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." />
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  <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Dabić, Dario, ddabic@cirus.dhz.hr, Croatian Meteorological and Hydrological Service, DHMZ, Chemical Laboratory Department, Ravnice 48, , 10000, Zagreb, Croatia&quot;" />
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  <dimension name="time" length="52" />
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  <dimension name="qc_benzo_a_pyrene_flags" length="1" />
  <dimension name="qc_benzo_b_fluoranthene_flags" length="1" />
  <dimension name="qc_benzo_ghi_perylene_flags" length="1" />
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  <dimension name="qc_benzo_k_fluoranthene_flags" length="1" />
  <dimension name="qc_chrysene_flags" length="1" />
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  <dimension name="qc_inden_123cd_pyrene_flags" length="1" />
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    <attribute name="time_coverage_end" value="2023-12-25T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="604800.0" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_detection_limit_expl" value="determined by taking 10 times standard deviation of ensemble of laboratory blanks" />
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    <attribute name="ebas_detection_limit_expl" value="determined by taking 10 times standard deviation of ensemble of laboratory blanks" />
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    <attribute name="actris_variable_preferred_term" value="gas and particle benzo(k)fluoranthene mass concentration" />
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    <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_station_code" value="HR0002R" />
    <attribute name="ebas_platform_code" value="HR0002S" />
    <attribute name="ebas_station_name" value="Puntijarka" />
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    <attribute name="ebas_humidity_temperaure_control" value="None" />
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    <attribute name="ebas_detection_limit_expl" value="determined by taking 10 times standard deviation of ensemble of laboratory blanks" />
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    <attribute name="actris_variable_preferred_term" value="gas and particle chrysene mass concentration" />
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  <variable name="v_dibenzo_ah_anthracene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_dibenzo_ah_anthracene_in_aerosol" />
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    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_dibenzo_ah_anthracene meta_dibenzo_ah_anthracene" />
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    <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, manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="HR0002R" />
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    <attribute name="ebas_component" value="dibenzo_ah_anthracene" />
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    <attribute name="standard_name" value="mass_concentration_of_inden_123cd_pyrene_in_aerosol" />
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    <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, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
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    <attribute name="ebas_component" value="inden_123cd_pyrene" />
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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 1900-01-01T00:00:00Z" />
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    <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" />
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    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
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    <attribute name="_CoordinateAxisType" value="Time" />
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