HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.8, ACDD-1.3"
	attribute acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: NILU."
	attribute citation = "Halvorsen, H., Nizzetto, P., NILU, 2026, POPs (persistent organic pollutants) at Sofienbergparken, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/XUNJ-SEWA"
	attribute contributor_name = "Helene Lunder Halvorsen, Anne Hjellbrekke"
	attribute contributor_role = "data submitter, data submitter"
	attribute creator_email = "hlu@nilu.no, pbn@nilu.no"
	attribute creator_institution = "\"Norwegian Institute for Air Research, Atmosph, NILU\", \"Norwegian Institute for Air Research, Environmental Chemistry Department, NILU\""
	attribute creator_name = "Helene Lunder Halvorsen, Pernilla Bohlin Nizzetto"
	attribute creator_type = "person"
	attribute date_created = "2026-08-25T14:21:14.482789Z"
	attribute date_metadata_modified = "2026-08-25T13:16:23Z"
	attribute doi = "https://doi.org/10.48597/XUNJ-SEWA"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: NILU."
	attribute ebas_analytical_instrument_manufacturer = "Thermo Scientific"
	attribute ebas_analytical_instrument_model = "Q Exactive Plus"
	attribute ebas_analytical_instrument_name = "LC-Orbitrap"
	attribute ebas_analytical_laboratory_code = "NO01L"
	attribute ebas_analytical_measurement_technique = "UHPLC-MS"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_citation = "Halvorsen, H., Nizzetto, P., NILU, 2026, POPs (persistent organic pollutants) at Sofienbergparken, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/XUNJ-SEWA"
	attribute ebas_contains_doi = "https://doi.org/10.48597/XUNJ-SEWA"
	attribute ebas_data_definition = "EBAS_1.1"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_export_filter = "exclude-900,exclude-invalid"
	attribute ebas_export_state = "2026-08-25T14:21:14.482789Z"
	attribute ebas_file_creation = "2026-08-26T00:22:43.775926Z"
	attribute ebas_file_name = "XUNJ-SEWA.nc"
	attribute ebas_filter_description = "Whatman GF/C"
	attribute ebas_flow_rate = "500.0 l/min"
	attribute ebas_framework_acronym = "NILU"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "Atmospheric measuremnts produced at NILU."
	attribute ebas_framework_name = "Norwegian Institute for Air Research"
	attribute ebas_inlet_description = "PM10"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "DIGITEL"
	attribute ebas_instrument_model = "DH-77"
	attribute ebas_instrument_name = "fppuf_73"
	attribute ebas_instrument_type = "high_vol_sampler"
	attribute ebas_laboratory_code = "NO01L"
	attribute ebas_matrix = "air+pm10"
	attribute ebas_medium = "Glass fiber+PUF+PUF"
	attribute ebas_method_ref = "NO01L_NILU_O_2_pop"
	attribute ebas_organization = "NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway"
	attribute ebas_originator = "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Nizzetto, Pernilla Bohlin, pbn@nilu.no, Norwegian Institute for Air Research, NILU, Environmental Chemistry Department, Instituttveien 18, , 2007, Kjeller, Norway\""
	attribute ebas_period_code = "11mo"
	attribute ebas_platform_code = "NO0073S"
	attribute ebas_regime = "IMG"
	attribute ebas_represents_doi = "https://doi.org/10.48597/XUNJ-SEWA"
	attribute ebas_resolution_code = "4w"
	attribute ebas_revision_date = "2026-08-25T13:16:23.068422Z"
	attribute ebas_sample_duration = "2d"
	attribute ebas_sample_preparation = "Soxhlet+Di-ethyl ether/Hexane 10:90+13C+Sulphuric acid+Silica"
	attribute ebas_set_type_code = "TI"
	attribute ebas_standard_method = "SOP=EMEP_manual_v2014"
	attribute ebas_startdate = "2025-01-13T09:21:00.000000Z"
	attribute ebas_station_altitude = "24.0 m"
	attribute ebas_station_code = "NO0073U"
	attribute ebas_station_latitude = 59.923051
	attribute ebas_station_longitude = 10.765743
	attribute ebas_station_name = "Sofienbergparken"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway\""
	attribute ebas_timezone = "UTC"
	attribute ebas_unit = "pg/m3"
	attribute featureType = "timeSeries"
	attribute geospatial_bounds = "POINT Z (10.765743 59.923051 24)"
	attribute geospatial_bounds_crs = "EPSG:4979"
	attribute geospatial_lat_max = 59.923051
	attribute geospatial_lat_min = 59.923051
	attribute geospatial_lon_max = 10.765743
	attribute geospatial_lon_min = 10.765743
	attribute geospatial_vertical_max = 24.0
	attribute geospatial_vertical_min = 24.0
	attribute geospatial_vertical_positive = "up"
	attribute id = "XUNJ-SEWA.nc"
	attribute institution = "NO01L \"Norwegian Institute for Air Research\" NILU \"Instituttveien 18\" 2007 Kjeller Norway"
	attribute keywords = "Sofienbergparken NO0073U TBBPA a_HBCD b_HBCD g_HBCD air+pm10 NILU"
	attribute license = "https://creativecommons.org/licenses/by/4.0/"
	attribute naming_authority = "no.nilu.ebas"
	attribute processing_level = "2: final (Physical parameters, aggregated (if needed), info on variability recommended, quality assured by human inspection. This is the typical EBAS data level meant for dissemination and long term preservation.)"
	attribute project = "NILU"
	attribute publisher_email = "ebas@nilu.no"
	attribute publisher_institution = "NILU - Norwegian Institute for Air Research, ATMOS, EBAS"
	attribute publisher_name = "NILU - Norwegian Institute for Air Research, ATMOS, EBAS"
	attribute publisher_type = "institution"
	attribute publisher_url = "http://ebas.nilu.no/"
	attribute source = "surface observation"
	attribute summary = "POPs (persistent organic pollutants) at Sofienbergparken. These measurements are gathered as a part of the following projects NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['TBBPA in air+pm10', 'a_HBCD in air+pm10', 'b_HBCD in air+pm10', 'g_HBCD in air+pm10']"
	attribute time_coverage_duration = "P0000-10-26T22:59:00"
	attribute time_coverage_end = "2025-12-10T08:20:00Z"
	attribute time_coverage_resolution = "P0000-00-28T00:00:00"
	attribute time_coverage_start = "2025-01-13T09:21:00Z"
	attribute timezone = "UTC"
	attribute title = "POPs (persistent organic pollutants) at Sofienbergparken"
dataset /meta_TBBPA: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-08-25T13:16:23.068422Z",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "2",
|     "ebas_sample_duration": "2d",
|     "ebas_station_code": "NO0073U",
|     "ebas_platform_code": "NO0073S",
|     "ebas_station_name": "Sofienbergparken",
|     "ebas_station_latitude": 59.923051,
|     "ebas_station_longitude": 10.765743,
|     "ebas_station_altitude": "24.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "TBBPA",
|     "ebas_unit": "pg/m3",
|     "ebas_matrix": "air+pm10",
|     "ebas_laboratory_code": "NO01L",
|     "ebas_instrument_type": "high_vol_sampler",
|     "ebas_instrument_name": "fppuf_73",
|     "ebas_instrument_manufacturer": "DIGITEL",
|     "ebas_instrument_model": "DH-77",
|     "ebas_analytical_laboratory_code": "NO01L",
|     "ebas_analytical_measurement_technique": "UHPLC-MS",
|     "ebas_analytical_instrument_name": "LC-Orbitrap",
|     "ebas_analytical_instrument_manufacturer": "Thermo Scientific",
|     "ebas_analytical_instrument_model": "Q Exactive Plus",
|     "ebas_method_ref": "NO01L_NILU_O_2_pop",
|     "ebas_standard_method": "SOP=EMEP_manual_v2014",
|     "ebas_inlet_type": "Impactor--direct",
|     "ebas_inlet_description": "PM10",
|     "ebas_flow_rate": "500.0 l/min",
|     "ebas_filter_description": "Whatman GF/C",
|     "ebas_medium": "Glass fiber+PUF+PUF",
|     "ebas_sample_preparation": "Soxhlet+Di-ethyl ether/Hexane 10:90+13C+Sulphuric acid+Silica",
|     "ebas_blank_correction": "Not blank corrected",
|     "ebas_organization": "NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway",
|     "ebas_framework_acronym": "NILU",
|     "ebas_framework_name": "Norwegian Institute for Air Research",
|     "ebas_framework_description": "Atmospheric measuremnts produced at NILU.",
|     "ebas_framework_contact_name": "Kjetil Tørseth",
|     "ebas_framework_contact_email": "kt@nilu.no",
|     "ebas_originator": "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Nizzetto, Pernilla Bohlin, pbn@nilu.no, Norwegian Institute for Air Research, NILU, Environmental Chemistry Department, Instituttveien 18, , 2007, Kjeller, Norway\"",
|     "ebas_submitter": "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: NILU.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasandparticletetrabromobisphenolAmassconcentration",
|     "actris_variable_preferred_term": "gas and particle tetrabromobisphenol A mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasandPM10",
|     "actris_matrix_preferred_term": "gas and PM10",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler",
|     "actris_instrument_type_preferred_term": "high volume filter sampler",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/NILU",
|     "actris_framework_preferred_term": "NILU",
|     "actris_temporal_resolution": "P28D",
|     "actris_access_restriction": false
| }
dataset /meta_a_HBCD: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-08-25T13:16:23.068422Z",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "2",
|     "ebas_sample_duration": "2d",
|     "ebas_station_code": "NO0073U",
|     "ebas_platform_code": "NO0073S",
|     "ebas_station_name": "Sofienbergparken",
|     "ebas_station_latitude": 59.923051,
|     "ebas_station_longitude": 10.765743,
|     "ebas_station_altitude": "24.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "a_HBCD",
|     "ebas_unit": "pg/m3",
|     "ebas_matrix": "air+pm10",
|     "ebas_laboratory_code": "NO01L",
|     "ebas_instrument_type": "high_vol_sampler",
|     "ebas_instrument_name": "fppuf_73",
|     "ebas_instrument_manufacturer": "DIGITEL",
|     "ebas_instrument_model": "DH-77",
|     "ebas_analytical_laboratory_code": "NO01L",
|     "ebas_analytical_measurement_technique": "UHPLC-MS",
|     "ebas_analytical_instrument_name": "LC-Orbitrap",
|     "ebas_analytical_instrument_manufacturer": "Thermo Scientific",
|     "ebas_analytical_instrument_model": "Q Exactive Plus",
|     "ebas_method_ref": "NO01L_NILU_O_2_pop",
|     "ebas_standard_method": "SOP=EMEP_manual_v2014",
|     "ebas_inlet_type": "Impactor--direct",
|     "ebas_inlet_description": "PM10",
|     "ebas_flow_rate": "500.0 l/min",
|     "ebas_filter_description": "Whatman GF/C",
|     "ebas_medium": "Glass fiber+PUF+PUF",
|     "ebas_sample_preparation": "Soxhlet+Di-ethyl ether/Hexane 10:90+13C+Sulphuric acid+Silica",
|     "ebas_blank_correction": "Not blank corrected",
|     "ebas_organization": "NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway",
|     "ebas_framework_acronym": "NILU",
|     "ebas_framework_name": "Norwegian Institute for Air Research",
|     "ebas_framework_description": "Atmospheric measuremnts produced at NILU.",
|     "ebas_framework_contact_name": "Kjetil Tørseth",
|     "ebas_framework_contact_email": "kt@nilu.no",
|     "ebas_originator": "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Nizzetto, Pernilla Bohlin, pbn@nilu.no, Norwegian Institute for Air Research, NILU, Environmental Chemistry Department, Instituttveien 18, , 2007, Kjeller, Norway\"",
|     "ebas_submitter": "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: NILU.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlealpha-hexabromocyclododecanemassconcentration",
|     "actris_variable_preferred_term": "gas and particle alpha-hexabromocyclododecane mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasandPM10",
|     "actris_matrix_preferred_term": "gas and PM10",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler",
|     "actris_instrument_type_preferred_term": "high volume filter sampler",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/NILU",
|     "actris_framework_preferred_term": "NILU",
|     "actris_temporal_resolution": "P28D",
|     "actris_access_restriction": false
| }
dataset /meta_b_HBCD: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-08-25T13:16:23.068422Z",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "2",
|     "ebas_sample_duration": "2d",
|     "ebas_station_code": "NO0073U",
|     "ebas_platform_code": "NO0073S",
|     "ebas_station_name": "Sofienbergparken",
|     "ebas_station_latitude": 59.923051,
|     "ebas_station_longitude": 10.765743,
|     "ebas_station_altitude": "24.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "b_HBCD",
|     "ebas_unit": "pg/m3",
|     "ebas_matrix": "air+pm10",
|     "ebas_laboratory_code": "NO01L",
|     "ebas_instrument_type": "high_vol_sampler",
|     "ebas_instrument_name": "fppuf_73",
|     "ebas_instrument_manufacturer": "DIGITEL",
|     "ebas_instrument_model": "DH-77",
|     "ebas_analytical_laboratory_code": "NO01L",
|     "ebas_analytical_measurement_technique": "UHPLC-MS",
|     "ebas_analytical_instrument_name": "LC-Orbitrap",
|     "ebas_analytical_instrument_manufacturer": "Thermo Scientific",
|     "ebas_analytical_instrument_model": "Q Exactive Plus",
|     "ebas_method_ref": "NO01L_NILU_O_2_pop",
|     "ebas_standard_method": "SOP=EMEP_manual_v2014",
|     "ebas_inlet_type": "Impactor--direct",
|     "ebas_inlet_description": "PM10",
|     "ebas_flow_rate": "500.0 l/min",
|     "ebas_filter_description": "Whatman GF/C",
|     "ebas_medium": "Glass fiber+PUF+PUF",
|     "ebas_sample_preparation": "Soxhlet+Di-ethyl ether/Hexane 10:90+13C+Sulphuric acid+Silica",
|     "ebas_blank_correction": "Not blank corrected",
|     "ebas_organization": "NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway",
|     "ebas_framework_acronym": "NILU",
|     "ebas_framework_name": "Norwegian Institute for Air Research",
|     "ebas_framework_description": "Atmospheric measuremnts produced at NILU.",
|     "ebas_framework_contact_name": "Kjetil Tørseth",
|     "ebas_framework_contact_email": "kt@nilu.no",
|     "ebas_originator": "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Nizzetto, Pernilla Bohlin, pbn@nilu.no, Norwegian Institute for Air Research, NILU, Environmental Chemistry Department, Instituttveien 18, , 2007, Kjeller, Norway\"",
|     "ebas_submitter": "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: NILU.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlebeta-hexabromocyclododecanemassconcentration",
|     "actris_variable_preferred_term": "gas and particle beta-hexabromocyclododecane mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasandPM10",
|     "actris_matrix_preferred_term": "gas and PM10",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler",
|     "actris_instrument_type_preferred_term": "high volume filter sampler",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/NILU",
|     "actris_framework_preferred_term": "NILU",
|     "actris_temporal_resolution": "P28D",
|     "actris_access_restriction": false
| }
dataset /meta_g_HBCD: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-08-25T13:16:23.068422Z",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "2",
|     "ebas_sample_duration": "2d",
|     "ebas_station_code": "NO0073U",
|     "ebas_platform_code": "NO0073S",
|     "ebas_station_name": "Sofienbergparken",
|     "ebas_station_latitude": 59.923051,
|     "ebas_station_longitude": 10.765743,
|     "ebas_station_altitude": "24.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "g_HBCD",
|     "ebas_unit": "pg/m3",
|     "ebas_matrix": "air+pm10",
|     "ebas_laboratory_code": "NO01L",
|     "ebas_instrument_type": "high_vol_sampler",
|     "ebas_instrument_name": "fppuf_73",
|     "ebas_instrument_manufacturer": "DIGITEL",
|     "ebas_instrument_model": "DH-77",
|     "ebas_analytical_laboratory_code": "NO01L",
|     "ebas_analytical_measurement_technique": "UHPLC-MS",
|     "ebas_analytical_instrument_name": "LC-Orbitrap",
|     "ebas_analytical_instrument_manufacturer": "Thermo Scientific",
|     "ebas_analytical_instrument_model": "Q Exactive Plus",
|     "ebas_method_ref": "NO01L_NILU_O_2_pop",
|     "ebas_standard_method": "SOP=EMEP_manual_v2014",
|     "ebas_inlet_type": "Impactor--direct",
|     "ebas_inlet_description": "PM10",
|     "ebas_flow_rate": "500.0 l/min",
|     "ebas_filter_description": "Whatman GF/C",
|     "ebas_medium": "Glass fiber+PUF+PUF",
|     "ebas_sample_preparation": "Soxhlet+Di-ethyl ether/Hexane 10:90+13C+Sulphuric acid+Silica",
|     "ebas_blank_correction": "Not blank corrected",
|     "ebas_organization": "NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway",
|     "ebas_framework_acronym": "NILU",
|     "ebas_framework_name": "Norwegian Institute for Air Research",
|     "ebas_framework_description": "Atmospheric measuremnts produced at NILU.",
|     "ebas_framework_contact_name": "Kjetil Tørseth",
|     "ebas_framework_contact_email": "kt@nilu.no",
|     "ebas_originator": "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Nizzetto, Pernilla Bohlin, pbn@nilu.no, Norwegian Institute for Air Research, NILU, Environmental Chemistry Department, Instituttveien 18, , 2007, Kjeller, Norway\"",
|     "ebas_submitter": "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway\"",
|     "ebas_acknowledgement": "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: NILU.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlegamma-hexabromocyclododecanemassconcentration",
|     "actris_variable_preferred_term": "gas and particle gamma-hexabromocyclododecane mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasandPM10",
|     "actris_matrix_preferred_term": "gas and PM10",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler",
|     "actris_instrument_type_preferred_term": "high volume filter sampler",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/NILU",
|     "actris_framework_preferred_term": "NILU",
|     "actris_temporal_resolution": "P28D",
|     "actris_access_restriction": false
| }
dataset /metadata_time: float64, shape (1)
	attribute axis = "T"
	attribute bounds = "metadata_time_bnds"
	attribute calendar = "standard"
	attribute long_name = "time of ebas metadata intervals"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01T00:00:00Z"
// metadata_time: first 45833.86840277778, last 45833.86840277778, count 1
dataset /metadata_time_bnds: float64, shape (1, 2)
	attribute long_name = "time bounds for ebas metadata intervals"
dataset /qc_TBBPA: int32, shape (1, 12)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_TBBPA_flags: float32, shape (1)
dataset /qc_a_HBCD: int32, shape (1, 12)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_a_HBCD_flags: float32, shape (1)
dataset /qc_b_HBCD: int32, shape (1, 12)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_b_HBCD_flags: float32, shape (1)
dataset /qc_g_HBCD: int32, shape (1, 12)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_g_HBCD_flags: float32, shape (1)
dataset /tbnds: float32, shape (2)
dataset /time: float64, shape (12)
	attribute axis = "T"
	attribute bounds = "time_bnds"
	attribute calendar = "standard"
	attribute long_name = "time of measurement"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01T00:00:00Z"
// time: first 45669.38958333333, last 45998.32986111111, count 12
dataset /time_bnds: float64, shape (12, 2)
	attribute long_name = "time bounds for measurement"
dataset /v_TBBPA: float64, shape (12)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "NILU"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/NILU"
	attribute actris_instrument_type_preferred_term = "high volume filter sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler"
	attribute actris_matrix_preferred_term = "gas and PM10"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasandPM10"
	attribute actris_temporal_resolution = "P28D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "gas and particle tetrabromobisphenol A mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasandparticletetrabromobisphenolAmassconcentration"
	attribute ancillary_variables = "qc_TBBPA meta_TBBPA"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: NILU."
	attribute ebas_analytical_instrument_manufacturer = "Thermo Scientific"
	attribute ebas_analytical_instrument_model = "Q Exactive Plus"
	attribute ebas_analytical_instrument_name = "LC-Orbitrap"
	attribute ebas_analytical_laboratory_code = "NO01L"
	attribute ebas_analytical_measurement_technique = "UHPLC-MS"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_component = "TBBPA"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_filter_description = "Whatman GF/C"
	attribute ebas_flow_rate = "500.0 l/min"
	attribute ebas_framework_acronym = "NILU"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "Atmospheric measuremnts produced at NILU."
	attribute ebas_framework_name = "Norwegian Institute for Air Research"
	attribute ebas_inlet_description = "PM10"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "DIGITEL"
	attribute ebas_instrument_model = "DH-77"
	attribute ebas_instrument_name = "fppuf_73"
	attribute ebas_instrument_type = "high_vol_sampler"
	attribute ebas_laboratory_code = "NO01L"
	attribute ebas_matrix = "air+pm10"
	attribute ebas_medium = "Glass fiber+PUF+PUF"
	attribute ebas_method_ref = "NO01L_NILU_O_2_pop"
	attribute ebas_organization = "NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway"
	attribute ebas_originator = "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Nizzetto, Pernilla Bohlin, pbn@nilu.no, Norwegian Institute for Air Research, NILU, Environmental Chemistry Department, Instituttveien 18, , 2007, Kjeller, Norway\""
	attribute ebas_platform_code = "NO0073S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-25T13:16:23.068422Z"
	attribute ebas_sample_duration = "2d"
	attribute ebas_sample_preparation = "Soxhlet+Di-ethyl ether/Hexane 10:90+13C+Sulphuric acid+Silica"
	attribute ebas_standard_method = "SOP=EMEP_manual_v2014"
	attribute ebas_station_altitude = "24.0 m"
	attribute ebas_station_code = "NO0073U"
	attribute ebas_station_latitude = 59.923051
	attribute ebas_station_longitude = 10.765743
	attribute ebas_station_name = "Sofienbergparken"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway\""
	attribute ebas_unit = "pg/m3"
	attribute missing_value = nan
	attribute units = "pg/m3"
dataset /v_a_HBCD: float64, shape (12)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "NILU"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/NILU"
	attribute actris_instrument_type_preferred_term = "high volume filter sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler"
	attribute actris_matrix_preferred_term = "gas and PM10"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasandPM10"
	attribute actris_temporal_resolution = "P28D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "gas and particle alpha-hexabromocyclododecane mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlealpha-hexabromocyclododecanemassconcentration"
	attribute ancillary_variables = "qc_a_HBCD meta_a_HBCD"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: NILU."
	attribute ebas_analytical_instrument_manufacturer = "Thermo Scientific"
	attribute ebas_analytical_instrument_model = "Q Exactive Plus"
	attribute ebas_analytical_instrument_name = "LC-Orbitrap"
	attribute ebas_analytical_laboratory_code = "NO01L"
	attribute ebas_analytical_measurement_technique = "UHPLC-MS"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_component = "a_HBCD"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_filter_description = "Whatman GF/C"
	attribute ebas_flow_rate = "500.0 l/min"
	attribute ebas_framework_acronym = "NILU"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "Atmospheric measuremnts produced at NILU."
	attribute ebas_framework_name = "Norwegian Institute for Air Research"
	attribute ebas_inlet_description = "PM10"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "DIGITEL"
	attribute ebas_instrument_model = "DH-77"
	attribute ebas_instrument_name = "fppuf_73"
	attribute ebas_instrument_type = "high_vol_sampler"
	attribute ebas_laboratory_code = "NO01L"
	attribute ebas_matrix = "air+pm10"
	attribute ebas_medium = "Glass fiber+PUF+PUF"
	attribute ebas_method_ref = "NO01L_NILU_O_2_pop"
	attribute ebas_organization = "NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway"
	attribute ebas_originator = "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Nizzetto, Pernilla Bohlin, pbn@nilu.no, Norwegian Institute for Air Research, NILU, Environmental Chemistry Department, Instituttveien 18, , 2007, Kjeller, Norway\""
	attribute ebas_platform_code = "NO0073S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-25T13:16:23.068422Z"
	attribute ebas_sample_duration = "2d"
	attribute ebas_sample_preparation = "Soxhlet+Di-ethyl ether/Hexane 10:90+13C+Sulphuric acid+Silica"
	attribute ebas_standard_method = "SOP=EMEP_manual_v2014"
	attribute ebas_station_altitude = "24.0 m"
	attribute ebas_station_code = "NO0073U"
	attribute ebas_station_latitude = 59.923051
	attribute ebas_station_longitude = 10.765743
	attribute ebas_station_name = "Sofienbergparken"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway\""
	attribute ebas_unit = "pg/m3"
	attribute missing_value = nan
	attribute units = "pg/m3"
dataset /v_b_HBCD: float64, shape (12)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "NILU"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/NILU"
	attribute actris_instrument_type_preferred_term = "high volume filter sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler"
	attribute actris_matrix_preferred_term = "gas and PM10"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasandPM10"
	attribute actris_temporal_resolution = "P28D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "gas and particle beta-hexabromocyclododecane mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlebeta-hexabromocyclododecanemassconcentration"
	attribute ancillary_variables = "qc_b_HBCD meta_b_HBCD"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: NILU."
	attribute ebas_analytical_instrument_manufacturer = "Thermo Scientific"
	attribute ebas_analytical_instrument_model = "Q Exactive Plus"
	attribute ebas_analytical_instrument_name = "LC-Orbitrap"
	attribute ebas_analytical_laboratory_code = "NO01L"
	attribute ebas_analytical_measurement_technique = "UHPLC-MS"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_component = "b_HBCD"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_filter_description = "Whatman GF/C"
	attribute ebas_flow_rate = "500.0 l/min"
	attribute ebas_framework_acronym = "NILU"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "Atmospheric measuremnts produced at NILU."
	attribute ebas_framework_name = "Norwegian Institute for Air Research"
	attribute ebas_inlet_description = "PM10"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "DIGITEL"
	attribute ebas_instrument_model = "DH-77"
	attribute ebas_instrument_name = "fppuf_73"
	attribute ebas_instrument_type = "high_vol_sampler"
	attribute ebas_laboratory_code = "NO01L"
	attribute ebas_matrix = "air+pm10"
	attribute ebas_medium = "Glass fiber+PUF+PUF"
	attribute ebas_method_ref = "NO01L_NILU_O_2_pop"
	attribute ebas_organization = "NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway"
	attribute ebas_originator = "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Nizzetto, Pernilla Bohlin, pbn@nilu.no, Norwegian Institute for Air Research, NILU, Environmental Chemistry Department, Instituttveien 18, , 2007, Kjeller, Norway\""
	attribute ebas_platform_code = "NO0073S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-25T13:16:23.068422Z"
	attribute ebas_sample_duration = "2d"
	attribute ebas_sample_preparation = "Soxhlet+Di-ethyl ether/Hexane 10:90+13C+Sulphuric acid+Silica"
	attribute ebas_standard_method = "SOP=EMEP_manual_v2014"
	attribute ebas_station_altitude = "24.0 m"
	attribute ebas_station_code = "NO0073U"
	attribute ebas_station_latitude = 59.923051
	attribute ebas_station_longitude = 10.765743
	attribute ebas_station_name = "Sofienbergparken"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway\""
	attribute ebas_unit = "pg/m3"
	attribute missing_value = nan
	attribute units = "pg/m3"
dataset /v_g_HBCD: float64, shape (12)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "NILU"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/NILU"
	attribute actris_instrument_type_preferred_term = "high volume filter sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler"
	attribute actris_matrix_preferred_term = "gas and PM10"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasandPM10"
	attribute actris_temporal_resolution = "P28D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "gas and particle gamma-hexabromocyclododecane mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlegamma-hexabromocyclododecanemassconcentration"
	attribute ancillary_variables = "qc_g_HBCD meta_g_HBCD"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: NILU."
	attribute ebas_analytical_instrument_manufacturer = "Thermo Scientific"
	attribute ebas_analytical_instrument_model = "Q Exactive Plus"
	attribute ebas_analytical_instrument_name = "LC-Orbitrap"
	attribute ebas_analytical_laboratory_code = "NO01L"
	attribute ebas_analytical_measurement_technique = "UHPLC-MS"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_component = "g_HBCD"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_filter_description = "Whatman GF/C"
	attribute ebas_flow_rate = "500.0 l/min"
	attribute ebas_framework_acronym = "NILU"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "Atmospheric measuremnts produced at NILU."
	attribute ebas_framework_name = "Norwegian Institute for Air Research"
	attribute ebas_inlet_description = "PM10"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "DIGITEL"
	attribute ebas_instrument_model = "DH-77"
	attribute ebas_instrument_name = "fppuf_73"
	attribute ebas_instrument_type = "high_vol_sampler"
	attribute ebas_laboratory_code = "NO01L"
	attribute ebas_matrix = "air+pm10"
	attribute ebas_medium = "Glass fiber+PUF+PUF"
	attribute ebas_method_ref = "NO01L_NILU_O_2_pop"
	attribute ebas_organization = "NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway"
	attribute ebas_originator = "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Nizzetto, Pernilla Bohlin, pbn@nilu.no, Norwegian Institute for Air Research, NILU, Environmental Chemistry Department, Instituttveien 18, , 2007, Kjeller, Norway\""
	attribute ebas_platform_code = "NO0073S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-25T13:16:23.068422Z"
	attribute ebas_sample_duration = "2d"
	attribute ebas_sample_preparation = "Soxhlet+Di-ethyl ether/Hexane 10:90+13C+Sulphuric acid+Silica"
	attribute ebas_standard_method = "SOP=EMEP_manual_v2014"
	attribute ebas_station_altitude = "24.0 m"
	attribute ebas_station_code = "NO0073U"
	attribute ebas_station_latitude = 59.923051
	attribute ebas_station_longitude = 10.765743
	attribute ebas_station_name = "Sofienbergparken"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Halvorsen, Helene Lunder, hlu@nilu.no, Norwegian Institute for Air Research, NILU, Atmosph, Instituttveien 18, , 2007, Kjeller, Norway\", \"Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway\""
	attribute ebas_unit = "pg/m3"
	attribute missing_value = nan
	attribute units = "pg/m3"