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 frameworks: ACTRIS, EMEP, GAW-WDCA. 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 frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator\", \"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 frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator\""
	attribute citation = "Bergmans, B., Fays, P., ACTRIS, EMEP, GAW-WDCA, 2026, OC/EC at Vielsalm, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/FVDV-8QYZ"
	attribute contributor_name = "Benjamin Palmaerts"
	attribute contributor_role = "data submitter"
	attribute creator_email = "b.bergmans@issep.be, p.fays@issep.be"
	attribute creator_institution = "\"Institut Scientifique de Service Public, 200, ISSeP\", \"Institut Scientifique de Service Public, 200, ISSeP\""
	attribute creator_name = "Benjamin Bergmans, Pierre Fays"
	attribute creator_type = "person"
	attribute date_created = "2026-08-12T14:46:32.006892Z"
	attribute date_metadata_modified = "2026-08-12T14:46:32Z"
	attribute doi = "https://doi.org/10.48597/FVDV-8QYZ"
	attribute ebas_analytical_instrument_manufacturer = "Sunset Laboratory"
	attribute ebas_analytical_instrument_model = "OCEC Lab Instrument Model 4L"
	attribute ebas_analytical_instrument_name = "OCEC_Laboratory_Analyzer"
	attribute ebas_analytical_instrument_serial_number = "#345-137"
	attribute ebas_analytical_laboratory_code = "BE03L"
	attribute ebas_analytical_measurement_technique = "thermal-optical_analysis"
	attribute ebas_artifact_correction = "Positive only"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_charring_correction = "By laser transmission"
	attribute ebas_citation = "Bergmans, B., Fays, P., ACTRIS, EMEP, GAW-WDCA, 2026, OC/EC at Vielsalm, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/FVDV-8QYZ"
	attribute ebas_comment = "The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach"
	attribute ebas_contains_doi = "https://doi.org/10.48597/FVDV-8QYZ"
	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_detection_limit_expl = "Detection limit for OC and TC is calculated as 3 times standard deviation of 10 fieldblanks. For EC, detection limit is derived by using the instrumental LOD (0.2 µg C cm-2 * Area / Volume)"
	attribute ebas_export_filter = "exclude-900,exclude-invalid"
	attribute ebas_export_state = "2026-08-12T14:46:32.006892Z"
	attribute ebas_exposed_filter_area = "12.56 cm2"
	attribute ebas_file_creation = "2026-08-12T14:51:16.295168Z"
	attribute ebas_file_name = "FVDV-8QYZ.nc"
	attribute ebas_filter_conditioning = "None"
	attribute ebas_filter_description = "PALLFLEX TISSUQUARTZ 2500-QAT-UP 47mm"
	attribute ebas_filter_prefiring = "723.15 K, 3.5 h"
	attribute ebas_flow_rate = "38.33 l/min"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCA"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", 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., \"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\""
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Aerosols"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_humidity_temperaure_control_description = "filter kept at ambient conditions together with sampling head"
	attribute ebas_inlet_description = "Upward facing with rain shield"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "Derenda"
	attribute ebas_instrument_model = "MVS 6.1"
	attribute ebas_instrument_name = "EQ1-MS-12-96+EQ1-MP-12-55"
	attribute ebas_instrument_serial_number = "N/S 00666, N/S 10243"
	attribute ebas_instrument_type = "low_vol_sampler"
	attribute ebas_laboratory_code = "BE03L"
	attribute ebas_matrix = "pm25"
	attribute ebas_measurement_height = "1.5 m"
	attribute ebas_measurement_latitude = 50.304003
	attribute ebas_measurement_longitude = 6.001271
	attribute ebas_medium = "Quartz"
	attribute ebas_method_ref = "BE03L_OCEC_Laboratory_Analyzer"
	attribute ebas_organization = "BE03L, Institut Scientifique de Service Public, ISSeP, , \"Rue Chéra, 200\", , 4000, Liege, Belgium"
	attribute ebas_orig_time_res = "1d"
	attribute ebas_originator = "\"Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium\", \"Fays, Pierre, p.fays@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_period_code = "3y"
	attribute ebas_platform_code = "BE0007S"
	attribute ebas_regime = "IMG"
	attribute ebas_represents_doi = "https://doi.org/10.48597/FVDV-8QYZ"
	attribute ebas_resolution_code = "1d"
	attribute ebas_revision_date = "2026-08-12T14:46:32.006892Z"
	attribute ebas_sample_duration = "1d"
	attribute ebas_sample_preparation = "None"
	attribute ebas_set_type_code = "TU"
	attribute ebas_standard_method = "TEMP=EUSAAR_2"
	attribute ebas_startdate = "2023-01-21T00:00:00.000000Z"
	attribute ebas_station_altitude = "487.0 m"
	attribute ebas_station_code = "BE0007R"
	attribute ebas_station_latitude = 50.304003
	attribute ebas_station_longitude = 6.001271
	attribute ebas_station_name = "Vielsalm"
	attribute ebas_submitter = "\"Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_timezone = "UTC"
	attribute ebas_unit = "ug C/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "ambient"
	attribute ebas_volume_std_temperature = "ambient"
	attribute ebas_zero_negative_values_code = "Zero/negative possible"
	attribute featureType = "timeSeries"
	attribute geospatial_bounds = "POINT Z (6.001271 50.304003 487)"
	attribute geospatial_bounds_crs = "EPSG:4979"
	attribute geospatial_lat_max = 50.304003
	attribute geospatial_lat_min = 50.304003
	attribute geospatial_lon_max = 6.001271
	attribute geospatial_lon_min = 6.001271
	attribute geospatial_vertical_max = 487.0
	attribute geospatial_vertical_min = 487.0
	attribute geospatial_vertical_positive = "up"
	attribute id = "FVDV-8QYZ.nc"
	attribute institution = "BE03L \"Institut Scientifique de Service Public\" ISSeP \"Rue Chéra, 200\" 4000 Liege Belgium"
	attribute keywords = "Vielsalm BE0007R elemental_carbon organic_carbon total_carbon pm25 ACTRIS EMEP GAW-WDCA mass_concentration_of_elemental_carbon_in_pm2p5_in_air mass_concentration_of_organic_carbon_in_pm2p5_in_air mass_concentration_of_total_carbon_in_pm2p5_in_air"
	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 = "ACTRIS, EMEP, GAW-WDCA"
	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 = "OC/EC at Vielsalm. These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['elemental_carbon in pm25 (mass_concentration_of_elemental_carbon_in_pm2p5_in_air)', 'organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air)', 'total_carbon in pm25 (mass_concentration_of_total_carbon_in_pm2p5_in_air)']"
	attribute time_coverage_duration = "P0002-11-11T00:00:00"
	attribute time_coverage_end = "2026-01-01T00:00:00Z"
	attribute time_coverage_resolution = "P0000-00-01T00:00:00"
	attribute time_coverage_start = "2023-01-21T00:00:00Z"
	attribute timezone = "UTC"
	attribute title = "OC/EC at Vielsalm"
dataset /d_Artifact: string, shape (1)
	text = "positive"
dataset /meta_elemental_carbon_amean: string, shape (3)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_elemental_carbon_uncertainty: string, shape (3)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_organic_carbon_amean: string, shape (3)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_organic_carbon_amean_d_Artifact: string, shape (1, 3)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_organic_carbon_uncertainty: string, shape (3)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_organic_carbon_uncertainty_d_Artifact: string, shape (1, 3)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_total_carbon_amean: string, shape (3)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_total_carbon_uncertainty: string, shape (3)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /metadata_time: float64, shape (3)
	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 45117.5, last 45838.5, count 3
dataset /metadata_time_bnds: float64, shape (3, 2)
	attribute long_name = "time bounds for ebas metadata intervals"
dataset /qc_elemental_carbon_amean: int32, shape (1, 1076)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_elemental_carbon_amean_flags: float32, shape (1)
dataset /qc_elemental_carbon_uncertainty: int32, shape (1, 1076)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_elemental_carbon_uncertainty_flags: float32, shape (1)
dataset /qc_organic_carbon_amean: int32, shape (1, 1076)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_organic_carbon_amean_d_Artifact: int32, shape (1, 1, 1076)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_organic_carbon_amean_d_Artifact_flags: float32, shape (1)
dataset /qc_organic_carbon_amean_flags: float32, shape (1)
dataset /qc_organic_carbon_uncertainty: int32, shape (1, 1076)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_organic_carbon_uncertainty_d_Artifact: int32, shape (1, 1, 1076)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_organic_carbon_uncertainty_d_Artifact_flags: float32, shape (1)
dataset /qc_organic_carbon_uncertainty_flags: float32, shape (1)
dataset /qc_total_carbon_amean: int32, shape (1, 1076)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_total_carbon_amean_flags: float32, shape (1)
dataset /qc_total_carbon_uncertainty: int32, shape (1, 1076)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_total_carbon_uncertainty_flags: float32, shape (1)
dataset /tbnds: float32, shape (2)
dataset /time: float64, shape (1076)
	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 44945.5, last 46020.5, count 1076
dataset /time_bnds: float64, shape (1076, 2)
	attribute long_name = "time bounds for measurement"
dataset /v_elemental_carbon_amean: float64, shape (1076)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as carbon, elemental"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon, https://vocabulary.actris.nilu.no/actris_vocab/elemental"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCA"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA"
	attribute actris_instrument_type_preferred_term = "low volume sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler"
	attribute actris_matrix_preferred_term = "PM2.5"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/PM2.5"
	attribute actris_temporal_resolution = "P1D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle elemental carbon mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleelementalcarbonmassconcentration"
	attribute ancillary_variables = "qc_elemental_carbon_amean meta_elemental_carbon_amean"
	attribute cell_methods = "time: mean"
	attribute ebas_analytical_instrument_manufacturer = "Sunset Laboratory"
	attribute ebas_analytical_instrument_model = "OCEC Lab Instrument Model 4L"
	attribute ebas_analytical_instrument_name = "OCEC_Laboratory_Analyzer"
	attribute ebas_analytical_instrument_serial_number = "#345-137"
	attribute ebas_analytical_laboratory_code = "BE03L"
	attribute ebas_analytical_measurement_technique = "thermal-optical_analysis"
	attribute ebas_artifact_correction = "Positive only"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_charring_correction = "By laser transmission"
	attribute ebas_comment = "The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach"
	attribute ebas_component = "elemental_carbon"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit = "0.0455 ug C/m3"
	attribute ebas_detection_limit_expl = "Detection limit for OC and TC is calculated as 3 times standard deviation of 10 fieldblanks. For EC, detection limit is derived by using the instrumental LOD (0.2 µg C cm-2 * Area / Volume)"
	attribute ebas_exposed_filter_area = "12.56 cm2"
	attribute ebas_filter_conditioning = "None"
	attribute ebas_filter_description = "PALLFLEX TISSUQUARTZ 2500-QAT-UP 47mm"
	attribute ebas_filter_prefiring = "723.15 K, 3.5 h"
	attribute ebas_flow_rate = "38.33 l/min"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCA"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", 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., \"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\""
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Aerosols"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_humidity_temperaure_control_description = "filter kept at ambient conditions together with sampling head"
	attribute ebas_inlet_description = "Upward facing with rain shield"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "Derenda"
	attribute ebas_instrument_model = "MVS 6.1"
	attribute ebas_instrument_name = "EQ1-MS-12-96+EQ1-MP-12-55"
	attribute ebas_instrument_serial_number = "N/S 00666, N/S 10243"
	attribute ebas_instrument_type = "low_vol_sampler"
	attribute ebas_laboratory_code = "BE03L"
	attribute ebas_matrix = "pm25"
	attribute ebas_measurement_height = "1.5 m"
	attribute ebas_measurement_latitude = 50.304003
	attribute ebas_measurement_longitude = 6.001271
	attribute ebas_medium = "Quartz"
	attribute ebas_method_ref = "BE03L_OCEC_Laboratory_Analyzer"
	attribute ebas_organization = "BE03L, Institut Scientifique de Service Public, ISSeP, , \"Rue Chéra, 200\", , 4000, Liege, Belgium"
	attribute ebas_orig_time_res = "1d"
	attribute ebas_originator = "\"Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium\", \"Fays, Pierre, p.fays@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_platform_code = "BE0007S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-12T14:46:32.006892Z"
	attribute ebas_sample_duration = "1d"
	attribute ebas_sample_preparation = "None"
	attribute ebas_standard_method = "TEMP=EUSAAR_2"
	attribute ebas_station_altitude = "487.0 m"
	attribute ebas_station_code = "BE0007R"
	attribute ebas_station_latitude = 50.304003
	attribute ebas_station_longitude = 6.001271
	attribute ebas_station_name = "Vielsalm"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_unit = "ug C/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "ambient"
	attribute ebas_volume_std_temperature = "ambient"
	attribute ebas_zero_negative_values_code = "Zero/negative possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_elemental_carbon_in_pm2p5_in_air"
	attribute units = "ug C/m3"
dataset /v_elemental_carbon_uncertainty: float64, shape (1076)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as carbon, elemental"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon, https://vocabulary.actris.nilu.no/actris_vocab/elemental"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCA"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA"
	attribute actris_instrument_type_preferred_term = "low volume sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler"
	attribute actris_matrix_preferred_term = "PM2.5"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/PM2.5"
	attribute actris_temporal_resolution = "P1D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle elemental carbon mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleelementalcarbonmassconcentration"
	attribute ancillary_variables = "qc_elemental_carbon_uncertainty meta_elemental_carbon_uncertainty"
	attribute cell_methods = "time: uncertainty"
	attribute ebas_analytical_instrument_manufacturer = "Sunset Laboratory"
	attribute ebas_analytical_instrument_model = "OCEC Lab Instrument Model 4L"
	attribute ebas_analytical_instrument_name = "OCEC_Laboratory_Analyzer"
	attribute ebas_analytical_instrument_serial_number = "#345-137"
	attribute ebas_analytical_laboratory_code = "BE03L"
	attribute ebas_analytical_measurement_technique = "thermal-optical_analysis"
	attribute ebas_artifact_correction = "Positive only"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_charring_correction = "By laser transmission"
	attribute ebas_comment = "The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach"
	attribute ebas_component = "elemental_carbon"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "Detection limit for OC and TC is calculated as 3 times standard deviation of 10 fieldblanks. For EC, detection limit is derived by using the instrumental LOD (0.2 µg C cm-2 * Area / Volume)"
	attribute ebas_exposed_filter_area = "12.56 cm2"
	attribute ebas_filter_conditioning = "None"
	attribute ebas_filter_description = "PALLFLEX TISSUQUARTZ 2500-QAT-UP 47mm"
	attribute ebas_filter_prefiring = "723.15 K, 3.5 h"
	attribute ebas_flow_rate = "38.33 l/min"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCA"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", 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., \"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\""
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Aerosols"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_humidity_temperaure_control_description = "filter kept at ambient conditions together with sampling head"
	attribute ebas_inlet_description = "Upward facing with rain shield"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "Derenda"
	attribute ebas_instrument_model = "MVS 6.1"
	attribute ebas_instrument_name = "EQ1-MS-12-96+EQ1-MP-12-55"
	attribute ebas_instrument_serial_number = "N/S 00666, N/S 10243"
	attribute ebas_instrument_type = "low_vol_sampler"
	attribute ebas_laboratory_code = "BE03L"
	attribute ebas_matrix = "pm25"
	attribute ebas_measurement_height = "1.5 m"
	attribute ebas_measurement_latitude = 50.304003
	attribute ebas_measurement_longitude = 6.001271
	attribute ebas_medium = "Quartz"
	attribute ebas_method_ref = "BE03L_OCEC_Laboratory_Analyzer"
	attribute ebas_organization = "BE03L, Institut Scientifique de Service Public, ISSeP, , \"Rue Chéra, 200\", , 4000, Liege, Belgium"
	attribute ebas_orig_time_res = "1d"
	attribute ebas_originator = "\"Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium\", \"Fays, Pierre, p.fays@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_platform_code = "BE0007S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-12T14:46:32.006892Z"
	attribute ebas_sample_duration = "1d"
	attribute ebas_sample_preparation = "None"
	attribute ebas_standard_method = "TEMP=EUSAAR_2"
	attribute ebas_station_altitude = "487.0 m"
	attribute ebas_station_code = "BE0007R"
	attribute ebas_station_latitude = 50.304003
	attribute ebas_station_longitude = 6.001271
	attribute ebas_station_name = "Vielsalm"
	attribute ebas_statistics = "uncertainty"
	attribute ebas_submitter = "\"Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_unit = "ug C/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "ambient"
	attribute ebas_volume_std_temperature = "ambient"
	attribute ebas_zero_negative_values_code = "Zero/negative possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_elemental_carbon_in_pm2p5_in_air"
	attribute units = "ug C/m3"
dataset /v_organic_carbon_amean: float64, shape (1076)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as carbon"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCA"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA"
	attribute actris_instrument_type_preferred_term = "low volume sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler"
	attribute actris_matrix_preferred_term = "PM2.5"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/PM2.5"
	attribute actris_temporal_resolution = "P1D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle organic carbon mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganiccarbonmassconcentration"
	attribute ancillary_variables = "qc_organic_carbon_amean meta_organic_carbon_amean"
	attribute cell_methods = "time: mean"
	attribute ebas_analytical_instrument_manufacturer = "Sunset Laboratory"
	attribute ebas_analytical_instrument_model = "OCEC Lab Instrument Model 4L"
	attribute ebas_analytical_instrument_name = "OCEC_Laboratory_Analyzer"
	attribute ebas_analytical_instrument_serial_number = "#345-137"
	attribute ebas_analytical_laboratory_code = "BE03L"
	attribute ebas_analytical_measurement_technique = "thermal-optical_analysis"
	attribute ebas_artifact_correction = "Positive only"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_charring_correction = "By laser transmission"
	attribute ebas_comment = "The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach"
	attribute ebas_component = "organic_carbon"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit = "0.113 ug C/m3"
	attribute ebas_detection_limit_expl = "Detection limit for OC and TC is calculated as 3 times standard deviation of 10 fieldblanks. For EC, detection limit is derived by using the instrumental LOD (0.2 µg C cm-2 * Area / Volume)"
	attribute ebas_exposed_filter_area = "12.56 cm2"
	attribute ebas_filter_conditioning = "None"
	attribute ebas_filter_description = "PALLFLEX TISSUQUARTZ 2500-QAT-UP 47mm"
	attribute ebas_filter_prefiring = "723.15 K, 3.5 h"
	attribute ebas_flow_rate = "38.33 l/min"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCA"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", 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., \"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\""
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Aerosols"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_humidity_temperaure_control_description = "filter kept at ambient conditions together with sampling head"
	attribute ebas_inlet_description = "Upward facing with rain shield"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "Derenda"
	attribute ebas_instrument_model = "MVS 6.1"
	attribute ebas_instrument_name = "EQ1-MS-12-96+EQ1-MP-12-55"
	attribute ebas_instrument_serial_number = "N/S 00666, N/S 10243"
	attribute ebas_instrument_type = "low_vol_sampler"
	attribute ebas_laboratory_code = "BE03L"
	attribute ebas_matrix = "pm25"
	attribute ebas_measurement_height = "1.5 m"
	attribute ebas_measurement_latitude = 50.304003
	attribute ebas_measurement_longitude = 6.001271
	attribute ebas_medium = "Quartz"
	attribute ebas_method_ref = "BE03L_OCEC_Laboratory_Analyzer"
	attribute ebas_organization = "BE03L, Institut Scientifique de Service Public, ISSeP, , \"Rue Chéra, 200\", , 4000, Liege, Belgium"
	attribute ebas_orig_time_res = "1d"
	attribute ebas_originator = "\"Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium\", \"Fays, Pierre, p.fays@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_platform_code = "BE0007S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-12T14:46:32.006892Z"
	attribute ebas_sample_duration = "1d"
	attribute ebas_sample_preparation = "None"
	attribute ebas_standard_method = "TEMP=EUSAAR_2"
	attribute ebas_station_altitude = "487.0 m"
	attribute ebas_station_code = "BE0007R"
	attribute ebas_station_latitude = 50.304003
	attribute ebas_station_longitude = 6.001271
	attribute ebas_station_name = "Vielsalm"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_unit = "ug C/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "ambient"
	attribute ebas_volume_std_temperature = "ambient"
	attribute ebas_zero_negative_values_code = "Zero/negative possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_organic_carbon_in_pm2p5_in_air"
	attribute units = "ug C/m3"
dataset /v_organic_carbon_amean_d_Artifact: float64, shape (1, 1076)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as carbon"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCA"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA"
	attribute actris_instrument_type_preferred_term = "low volume sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler"
	attribute actris_matrix_preferred_term = "PM2.5"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/PM2.5"
	attribute actris_temporal_resolution = "P1D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle organic carbon mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganiccarbonmassconcentration"
	attribute ancillary_variables = "qc_organic_carbon_amean_d_Artifact meta_organic_carbon_amean_d_Artifact"
	attribute cell_methods = "time: mean"
	attribute ebas_analytical_instrument_manufacturer = "Sunset Laboratory"
	attribute ebas_analytical_instrument_model = "OCEC Lab Instrument Model 4L"
	attribute ebas_analytical_instrument_name = "OCEC_Laboratory_Analyzer"
	attribute ebas_analytical_instrument_serial_number = "#345-137"
	attribute ebas_analytical_laboratory_code = "BE03L"
	attribute ebas_analytical_measurement_technique = "thermal-optical_analysis"
	attribute ebas_artifact_correction = "Positive only"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_charring_correction = "By laser transmission"
	attribute ebas_comment = "The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach"
	attribute ebas_component = "organic_carbon"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "Detection limit for OC and TC is calculated as 3 times standard deviation of 10 fieldblanks. For EC, detection limit is derived by using the instrumental LOD (0.2 µg C cm-2 * Area / Volume)"
	attribute ebas_exposed_filter_area = "12.56 cm2"
	attribute ebas_filter_conditioning = "None"
	attribute ebas_filter_description = "PALLFLEX TISSUQUARTZ 2500-QAT-UP 47mm"
	attribute ebas_filter_prefiring = "723.15 K, 3.5 h"
	attribute ebas_flow_rate = "38.33 l/min"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCA"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", 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., \"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\""
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Aerosols"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_humidity_temperaure_control_description = "filter kept at ambient conditions together with sampling head"
	attribute ebas_inlet_description = "Upward facing with rain shield"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "Derenda"
	attribute ebas_instrument_model = "MVS 6.1"
	attribute ebas_instrument_name = "EQ1-MS-12-96+EQ1-MP-12-55"
	attribute ebas_instrument_serial_number = "N/S 00666, N/S 10243"
	attribute ebas_instrument_type = "low_vol_sampler"
	attribute ebas_laboratory_code = "BE03L"
	attribute ebas_matrix = "pm25"
	attribute ebas_measurement_height = "1.5 m"
	attribute ebas_measurement_latitude = 50.304003
	attribute ebas_measurement_longitude = 6.001271
	attribute ebas_medium = "Quartz"
	attribute ebas_method_ref = "BE03L_OCEC_Laboratory_Analyzer"
	attribute ebas_organization = "BE03L, Institut Scientifique de Service Public, ISSeP, , \"Rue Chéra, 200\", , 4000, Liege, Belgium"
	attribute ebas_orig_time_res = "1d"
	attribute ebas_originator = "\"Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium\", \"Fays, Pierre, p.fays@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_platform_code = "BE0007S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-12T14:46:32.006892Z"
	attribute ebas_sample_duration = "1d"
	attribute ebas_sample_preparation = "None"
	attribute ebas_standard_method = "TEMP=EUSAAR_2"
	attribute ebas_station_altitude = "487.0 m"
	attribute ebas_station_code = "BE0007R"
	attribute ebas_station_latitude = 50.304003
	attribute ebas_station_longitude = 6.001271
	attribute ebas_station_name = "Vielsalm"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_unit = "ug C/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "ambient"
	attribute ebas_volume_std_temperature = "ambient"
	attribute ebas_zero_negative_values_code = "Zero/negative possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_organic_carbon_in_pm2p5_in_air"
	attribute units = "ug C/m3"
dataset /v_organic_carbon_uncertainty: float64, shape (1076)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as carbon"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCA"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA"
	attribute actris_instrument_type_preferred_term = "low volume sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler"
	attribute actris_matrix_preferred_term = "PM2.5"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/PM2.5"
	attribute actris_temporal_resolution = "P1D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle organic carbon mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganiccarbonmassconcentration"
	attribute ancillary_variables = "qc_organic_carbon_uncertainty meta_organic_carbon_uncertainty"
	attribute cell_methods = "time: uncertainty"
	attribute ebas_analytical_instrument_manufacturer = "Sunset Laboratory"
	attribute ebas_analytical_instrument_model = "OCEC Lab Instrument Model 4L"
	attribute ebas_analytical_instrument_name = "OCEC_Laboratory_Analyzer"
	attribute ebas_analytical_instrument_serial_number = "#345-137"
	attribute ebas_analytical_laboratory_code = "BE03L"
	attribute ebas_analytical_measurement_technique = "thermal-optical_analysis"
	attribute ebas_artifact_correction = "Positive only"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_charring_correction = "By laser transmission"
	attribute ebas_comment = "The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach"
	attribute ebas_component = "organic_carbon"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "Detection limit for OC and TC is calculated as 3 times standard deviation of 10 fieldblanks. For EC, detection limit is derived by using the instrumental LOD (0.2 µg C cm-2 * Area / Volume)"
	attribute ebas_exposed_filter_area = "12.56 cm2"
	attribute ebas_filter_conditioning = "None"
	attribute ebas_filter_description = "PALLFLEX TISSUQUARTZ 2500-QAT-UP 47mm"
	attribute ebas_filter_prefiring = "723.15 K, 3.5 h"
	attribute ebas_flow_rate = "38.33 l/min"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCA"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", 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., \"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\""
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Aerosols"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_humidity_temperaure_control_description = "filter kept at ambient conditions together with sampling head"
	attribute ebas_inlet_description = "Upward facing with rain shield"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "Derenda"
	attribute ebas_instrument_model = "MVS 6.1"
	attribute ebas_instrument_name = "EQ1-MS-12-96+EQ1-MP-12-55"
	attribute ebas_instrument_serial_number = "N/S 00666, N/S 10243"
	attribute ebas_instrument_type = "low_vol_sampler"
	attribute ebas_laboratory_code = "BE03L"
	attribute ebas_matrix = "pm25"
	attribute ebas_measurement_height = "1.5 m"
	attribute ebas_measurement_latitude = 50.304003
	attribute ebas_measurement_longitude = 6.001271
	attribute ebas_medium = "Quartz"
	attribute ebas_method_ref = "BE03L_OCEC_Laboratory_Analyzer"
	attribute ebas_organization = "BE03L, Institut Scientifique de Service Public, ISSeP, , \"Rue Chéra, 200\", , 4000, Liege, Belgium"
	attribute ebas_orig_time_res = "1d"
	attribute ebas_originator = "\"Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium\", \"Fays, Pierre, p.fays@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_platform_code = "BE0007S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-12T14:46:32.006892Z"
	attribute ebas_sample_duration = "1d"
	attribute ebas_sample_preparation = "None"
	attribute ebas_standard_method = "TEMP=EUSAAR_2"
	attribute ebas_station_altitude = "487.0 m"
	attribute ebas_station_code = "BE0007R"
	attribute ebas_station_latitude = 50.304003
	attribute ebas_station_longitude = 6.001271
	attribute ebas_station_name = "Vielsalm"
	attribute ebas_statistics = "uncertainty"
	attribute ebas_submitter = "\"Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_unit = "ug C/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "ambient"
	attribute ebas_volume_std_temperature = "ambient"
	attribute ebas_zero_negative_values_code = "Zero/negative possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_organic_carbon_in_pm2p5_in_air"
	attribute units = "ug C/m3"
dataset /v_organic_carbon_uncertainty_d_Artifact: float64, shape (1, 1076)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as carbon"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCA"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA"
	attribute actris_instrument_type_preferred_term = "low volume sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler"
	attribute actris_matrix_preferred_term = "PM2.5"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/PM2.5"
	attribute actris_temporal_resolution = "P1D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle organic carbon mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganiccarbonmassconcentration"
	attribute ancillary_variables = "qc_organic_carbon_uncertainty_d_Artifact meta_organic_carbon_uncertainty_d_Artifact"
	attribute cell_methods = "time: uncertainty"
	attribute ebas_analytical_instrument_manufacturer = "Sunset Laboratory"
	attribute ebas_analytical_instrument_model = "OCEC Lab Instrument Model 4L"
	attribute ebas_analytical_instrument_name = "OCEC_Laboratory_Analyzer"
	attribute ebas_analytical_instrument_serial_number = "#345-137"
	attribute ebas_analytical_laboratory_code = "BE03L"
	attribute ebas_analytical_measurement_technique = "thermal-optical_analysis"
	attribute ebas_artifact_correction = "Positive only"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_charring_correction = "By laser transmission"
	attribute ebas_comment = "The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach"
	attribute ebas_component = "organic_carbon"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "Detection limit for OC and TC is calculated as 3 times standard deviation of 10 fieldblanks. For EC, detection limit is derived by using the instrumental LOD (0.2 µg C cm-2 * Area / Volume)"
	attribute ebas_exposed_filter_area = "12.56 cm2"
	attribute ebas_filter_conditioning = "None"
	attribute ebas_filter_description = "PALLFLEX TISSUQUARTZ 2500-QAT-UP 47mm"
	attribute ebas_filter_prefiring = "723.15 K, 3.5 h"
	attribute ebas_flow_rate = "38.33 l/min"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCA"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", 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., \"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\""
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Aerosols"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_humidity_temperaure_control_description = "filter kept at ambient conditions together with sampling head"
	attribute ebas_inlet_description = "Upward facing with rain shield"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "Derenda"
	attribute ebas_instrument_model = "MVS 6.1"
	attribute ebas_instrument_name = "EQ1-MS-12-96+EQ1-MP-12-55"
	attribute ebas_instrument_serial_number = "N/S 00666, N/S 10243"
	attribute ebas_instrument_type = "low_vol_sampler"
	attribute ebas_laboratory_code = "BE03L"
	attribute ebas_matrix = "pm25"
	attribute ebas_measurement_height = "1.5 m"
	attribute ebas_measurement_latitude = 50.304003
	attribute ebas_measurement_longitude = 6.001271
	attribute ebas_medium = "Quartz"
	attribute ebas_method_ref = "BE03L_OCEC_Laboratory_Analyzer"
	attribute ebas_organization = "BE03L, Institut Scientifique de Service Public, ISSeP, , \"Rue Chéra, 200\", , 4000, Liege, Belgium"
	attribute ebas_orig_time_res = "1d"
	attribute ebas_originator = "\"Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium\", \"Fays, Pierre, p.fays@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_platform_code = "BE0007S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-12T14:46:32.006892Z"
	attribute ebas_sample_duration = "1d"
	attribute ebas_sample_preparation = "None"
	attribute ebas_standard_method = "TEMP=EUSAAR_2"
	attribute ebas_station_altitude = "487.0 m"
	attribute ebas_station_code = "BE0007R"
	attribute ebas_station_latitude = 50.304003
	attribute ebas_station_longitude = 6.001271
	attribute ebas_station_name = "Vielsalm"
	attribute ebas_statistics = "uncertainty"
	attribute ebas_submitter = "\"Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_unit = "ug C/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "ambient"
	attribute ebas_volume_std_temperature = "ambient"
	attribute ebas_zero_negative_values_code = "Zero/negative possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_organic_carbon_in_pm2p5_in_air"
	attribute units = "ug C/m3"
dataset /v_total_carbon_amean: float64, shape (1076)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as carbon"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCA"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA"
	attribute actris_instrument_type_preferred_term = "low volume sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler"
	attribute actris_matrix_preferred_term = "PM2.5"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/PM2.5"
	attribute actris_temporal_resolution = "P1D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle total carbon mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticletotalcarbonmassconcentration"
	attribute ancillary_variables = "qc_total_carbon_amean meta_total_carbon_amean"
	attribute cell_methods = "time: mean"
	attribute ebas_analytical_instrument_manufacturer = "Sunset Laboratory"
	attribute ebas_analytical_instrument_model = "OCEC Lab Instrument Model 4L"
	attribute ebas_analytical_instrument_name = "OCEC_Laboratory_Analyzer"
	attribute ebas_analytical_instrument_serial_number = "#345-137"
	attribute ebas_analytical_laboratory_code = "BE03L"
	attribute ebas_analytical_measurement_technique = "thermal-optical_analysis"
	attribute ebas_artifact_correction = "Positive only"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_charring_correction = "By laser transmission"
	attribute ebas_comment = "The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach"
	attribute ebas_component = "total_carbon"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit = "0.113 ug C/m3"
	attribute ebas_detection_limit_expl = "Detection limit for OC and TC is calculated as 3 times standard deviation of 10 fieldblanks. For EC, detection limit is derived by using the instrumental LOD (0.2 µg C cm-2 * Area / Volume)"
	attribute ebas_exposed_filter_area = "12.56 cm2"
	attribute ebas_filter_conditioning = "None"
	attribute ebas_filter_description = "PALLFLEX TISSUQUARTZ 2500-QAT-UP 47mm"
	attribute ebas_filter_prefiring = "723.15 K, 3.5 h"
	attribute ebas_flow_rate = "38.33 l/min"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCA"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", 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., \"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\""
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Aerosols"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_humidity_temperaure_control_description = "filter kept at ambient conditions together with sampling head"
	attribute ebas_inlet_description = "Upward facing with rain shield"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "Derenda"
	attribute ebas_instrument_model = "MVS 6.1"
	attribute ebas_instrument_name = "EQ1-MS-12-96+EQ1-MP-12-55"
	attribute ebas_instrument_serial_number = "N/S 00666, N/S 10243"
	attribute ebas_instrument_type = "low_vol_sampler"
	attribute ebas_laboratory_code = "BE03L"
	attribute ebas_matrix = "pm25"
	attribute ebas_measurement_height = "1.5 m"
	attribute ebas_measurement_latitude = 50.304003
	attribute ebas_measurement_longitude = 6.001271
	attribute ebas_medium = "Quartz"
	attribute ebas_method_ref = "BE03L_OCEC_Laboratory_Analyzer"
	attribute ebas_organization = "BE03L, Institut Scientifique de Service Public, ISSeP, , \"Rue Chéra, 200\", , 4000, Liege, Belgium"
	attribute ebas_orig_time_res = "1d"
	attribute ebas_originator = "\"Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium\", \"Fays, Pierre, p.fays@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_platform_code = "BE0007S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-12T14:46:32.006892Z"
	attribute ebas_sample_duration = "1d"
	attribute ebas_sample_preparation = "None"
	attribute ebas_standard_method = "TEMP=EUSAAR_2"
	attribute ebas_station_altitude = "487.0 m"
	attribute ebas_station_code = "BE0007R"
	attribute ebas_station_latitude = 50.304003
	attribute ebas_station_longitude = 6.001271
	attribute ebas_station_name = "Vielsalm"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_unit = "ug C/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "ambient"
	attribute ebas_volume_std_temperature = "ambient"
	attribute ebas_zero_negative_values_code = "Zero/negative possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_total_carbon_in_pm2p5_in_air"
	attribute units = "ug C/m3"
dataset /v_total_carbon_uncertainty: float64, shape (1076)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as carbon"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon"
	attribute actris_framework_preferred_term = "ACTRIS, EMEP, GAW-WDCA"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA"
	attribute actris_instrument_type_preferred_term = "low volume sampler"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler"
	attribute actris_matrix_preferred_term = "PM2.5"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/PM2.5"
	attribute actris_temporal_resolution = "P1D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle total carbon mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticletotalcarbonmassconcentration"
	attribute ancillary_variables = "qc_total_carbon_uncertainty meta_total_carbon_uncertainty"
	attribute cell_methods = "time: uncertainty"
	attribute ebas_analytical_instrument_manufacturer = "Sunset Laboratory"
	attribute ebas_analytical_instrument_model = "OCEC Lab Instrument Model 4L"
	attribute ebas_analytical_instrument_name = "OCEC_Laboratory_Analyzer"
	attribute ebas_analytical_instrument_serial_number = "#345-137"
	attribute ebas_analytical_laboratory_code = "BE03L"
	attribute ebas_analytical_measurement_technique = "thermal-optical_analysis"
	attribute ebas_artifact_correction = "Positive only"
	attribute ebas_blank_correction = "Not blank corrected"
	attribute ebas_charring_correction = "By laser transmission"
	attribute ebas_comment = "The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach"
	attribute ebas_component = "total_carbon"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit_expl = "Detection limit for OC and TC is calculated as 3 times standard deviation of 10 fieldblanks. For EC, detection limit is derived by using the instrumental LOD (0.2 µg C cm-2 * Area / Volume)"
	attribute ebas_exposed_filter_area = "12.56 cm2"
	attribute ebas_filter_conditioning = "None"
	attribute ebas_filter_description = "PALLFLEX TISSUQUARTZ 2500-QAT-UP 47mm"
	attribute ebas_filter_prefiring = "723.15 K, 3.5 h"
	attribute ebas_flow_rate = "38.33 l/min"
	attribute ebas_framework_acronym = "ACTRIS, EMEP, GAW-WDCA"
	attribute ebas_framework_contact_email = "clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig"
	attribute ebas_framework_description = "\"ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.\", 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., \"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\""
	attribute ebas_framework_name = "\"European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases\", European Monitoring and Evaluation Programme, World Data Centre for Aerosols"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_humidity_temperaure_control_description = "filter kept at ambient conditions together with sampling head"
	attribute ebas_inlet_description = "Upward facing with rain shield"
	attribute ebas_inlet_type = "Impactor--direct"
	attribute ebas_instrument_manufacturer = "Derenda"
	attribute ebas_instrument_model = "MVS 6.1"
	attribute ebas_instrument_name = "EQ1-MS-12-96+EQ1-MP-12-55"
	attribute ebas_instrument_serial_number = "N/S 00666, N/S 10243"
	attribute ebas_instrument_type = "low_vol_sampler"
	attribute ebas_laboratory_code = "BE03L"
	attribute ebas_matrix = "pm25"
	attribute ebas_measurement_height = "1.5 m"
	attribute ebas_measurement_latitude = 50.304003
	attribute ebas_measurement_longitude = 6.001271
	attribute ebas_medium = "Quartz"
	attribute ebas_method_ref = "BE03L_OCEC_Laboratory_Analyzer"
	attribute ebas_organization = "BE03L, Institut Scientifique de Service Public, ISSeP, , \"Rue Chéra, 200\", , 4000, Liege, Belgium"
	attribute ebas_orig_time_res = "1d"
	attribute ebas_originator = "\"Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium\", \"Fays, Pierre, p.fays@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_platform_code = "BE0007S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-08-12T14:46:32.006892Z"
	attribute ebas_sample_duration = "1d"
	attribute ebas_sample_preparation = "None"
	attribute ebas_standard_method = "TEMP=EUSAAR_2"
	attribute ebas_station_altitude = "487.0 m"
	attribute ebas_station_code = "BE0007R"
	attribute ebas_station_latitude = 50.304003
	attribute ebas_station_longitude = 6.001271
	attribute ebas_station_name = "Vielsalm"
	attribute ebas_statistics = "uncertainty"
	attribute ebas_submitter = "\"Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium\""
	attribute ebas_unit = "ug C/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision, manually inspected"
	attribute ebas_volume_std_pressure = "ambient"
	attribute ebas_volume_std_temperature = "ambient"
	attribute ebas_zero_negative_values_code = "Zero/negative possible"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_total_carbon_in_pm2p5_in_air"
	attribute units = "ug C/m3"