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  <attribute name="title" value="Heavy metals, inorganics in air and particle phase, organic_carbon and organic_mass at Trinity" />
  <attribute name="summary" value="Heavy metals, inorganics in air and particle phase, organic_carbon and organic_mass at Trinity. These measurements are gathered as a part of the following projects IMPROVE, sel_HTAP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['iron in pm25 (mass_concentration_of_iron_in_pm2p5_in_air)', 'lead in pm25 (mass_concentration_of_lead_in_pm2p5_in_air)', 'magnesium in pm25 (mass_concentration_of_magnesium_in_pm2p5_in_air)', 'nickel in pm25 (mass_concentration_of_nickel_in_pm2p5_in_air)', 'nitrate in pm25 (mass_concentration_of_nitrate_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air)', 'nitrate in pm25 (mass_concentration_of_nitrate_in_pm2p5_dry_aerosol_particles_in_air)', 'organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air)', 'organic_mass in pm25 (mass_concentration_of_organic_mass_in_pm2p5_in_air)', 'phosphorus in pm25 (mass_concentration_of_phosphorus_in_pm2p5_in_air)', 'pm10_pm25_mass in pm10_pm25 (mass_concentration_of_pm10_pm25_mass_in_pm10_minus_pm2p5_in_air)', 'potassium in pm25 (mass_concentration_of_potassium_in_pm2p5_in_air)', 'sulphate_total in pm25 (mass_concentration_of_sulphate_expressed_as_sulphur_in_pm2p5_dry_aerosol_particles_in_air)', 'sulphate_total in pm25 (mass_concentration_of_sulphate_in_pm2p5_dry_aerosol_particles_in_air)']" />
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  <attribute name="doi" value="https://doi.org/10.48597/MA2X-Q523" />
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  <attribute name="date_created" value="2019-12-17T19:15:45.820000Z" />
  <attribute name="date_metadata_modified" value="2018-12-10T13:30:00Z" />
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2018-12-10T13:30:00.000000Z" />
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    <attribute name="ebas_platform_code" value="US9044S" />
    <attribute name="ebas_station_name" value="Trinity" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nickel" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="US03L" />
    <attribute name="ebas_instrument_type" value="filterpack" />
    <attribute name="ebas_instrument_name" value="filterpack_US9044" />
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2018-12-10T13:30:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2018-12-10T13:30:00.000000Z" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.4267." />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_component" value="phosphorus" />
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