netcdf gucaosacsmtofspecS2.b1.20230614.000346 { dimensions: time = UNLIMITED ; // (144 currently) bound = 2 ; variables: int base_time ; base_time:string = "2023-06-14 00:00:00 0:00" ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; base_time:ancillary_variables = "time_offset" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2023-06-14 00:00:00 0:00" ; time_offset:ancillary_variables = "base_time" ; double time(time) ; time:long_name = "Time offset from midnight" ; time:units = "seconds since 2023-06-14 00:00:00 0:00" ; time:bounds = "time_bounds" ; time:standard_name = "time" ; double time_bounds(time, bound) ; time_bounds:long_name = "Time cell bounds" ; time_bounds:bound_offsets = -600., 0. ; float chloride(time) ; chloride:long_name = "Mass concentration of chloride, ambient aerosol in air" ; chloride:units = "ug/m^3" ; chloride:valid_min = -1.f ; chloride:valid_max = 100.f ; chloride:missing_value = -9999.f ; chloride:ancillary_variables = "qc_chloride" ; int qc_chloride(time) ; qc_chloride:long_name = "Quality check results on variable: Mass concentration of chloride, ambient aerosol in air" ; qc_chloride:units = "1" ; qc_chloride:standard_name = "quality_flag" ; qc_chloride:description = "This variable contains bit-packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_chloride:warn_min = 0.02f ; qc_chloride:warn_max = 50.f ; qc_chloride:heater_temp_min = 590.f ; qc_chloride:press_inlet_min = 1.f ; qc_chloride:detector_min = 2000.f ; qc_chloride:airbeam_norm_min = 0.7f ; qc_chloride:airbeam_norm_max = 1.3f ; qc_chloride:turbo_speed_min = 950.f ; qc_chloride:heater_bias_min = 20.f ; qc_chloride:flag_method = "bit" ; qc_chloride:bit_1_description = "Value is equal to missing_value" ; qc_chloride:bit_1_assessment = "Bad" ; qc_chloride:bit_2_description = "Value is less than valid_min" ; qc_chloride:bit_2_assessment = "Bad" ; qc_chloride:bit_3_description = "Value is greater than valid_max" ; qc_chloride:bit_3_assessment = "Bad" ; qc_chloride:bit_4_description = "Value is less than warn_min" ; qc_chloride:bit_4_assessment = "Indeterminate" ; qc_chloride:bit_5_description = "Value is greater than warn_max" ; qc_chloride:bit_5_assessment = "Indeterminate" ; qc_chloride:bit_6_description = "Heater temperature less than heater_temp_min" ; qc_chloride:bit_6_assessment = "Bad" ; qc_chloride:bit_7_description = "Inlet pressure (filtered or unfiltered) less than press_inlet_min" ; qc_chloride:bit_7_assessment = "Bad" ; qc_chloride:bit_8_description = "Detector voltage less than detector_min" ; qc_chloride:bit_8_assessment = "Bad" ; qc_chloride:bit_9_description = "Filament emission current setting equal to 0" ; qc_chloride:bit_9_assessment = "Bad" ; qc_chloride:bit_10_description = "Not used" ; qc_chloride:bit_10_assessment = "Bad" ; qc_chloride:bit_11_description = "Not used" ; qc_chloride:bit_11_assessment = "Bad" ; qc_chloride:bit_12_description = "Not used" ; qc_chloride:bit_12_assessment = "Bad" ; qc_chloride:bit_13_description = "Not used" ; qc_chloride:bit_13_assessment = "Bad" ; qc_chloride:bit_14_description = "Airbeam normalization factor less than airbeam_norm_min" ; qc_chloride:bit_14_assessment = "Bad" ; qc_chloride:bit_15_description = "Airbeam normalization factor greater than airbeam_norm_max" ; qc_chloride:bit_15_assessment = "Bad" ; qc_chloride:bit_16_description = "Turbo pump speed less than turbo_speed_min" ; qc_chloride:bit_16_assessment = "Bad" ; qc_chloride:bit_17_description = "Heater bias voltage less than heater_bias_min" ; qc_chloride:bit_17_assessment = "Bad" ; float ammonium(time) ; ammonium:long_name = "Mass concentration of ammonium, ambient aerosol in air" ; ammonium:units = "ug/m^3" ; ammonium:valid_min = -1.f ; ammonium:valid_max = 100.f ; ammonium:missing_value = -9999.f ; ammonium:ancillary_variables = "qc_ammonium" ; int qc_ammonium(time) ; qc_ammonium:long_name = "Quality check results on variable: Mass concentration of ammonium, ambient aerosol in air" ; qc_ammonium:units = "1" ; qc_ammonium:standard_name = "quality_flag" ; qc_ammonium:description = "This variable contains bit-packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_ammonium:warn_min = 0.1f ; qc_ammonium:warn_max = 50.f ; qc_ammonium:heater_temp_min = 590.f ; qc_ammonium:press_inlet_min = 1.f ; qc_ammonium:detector_min = 2000.f ; qc_ammonium:airbeam_norm_min = 0.7f ; qc_ammonium:airbeam_norm_max = 1.3f ; qc_ammonium:turbo_speed_min = 950.f ; qc_ammonium:heater_bias_min = 20.f ; qc_ammonium:flag_method = "bit" ; qc_ammonium:bit_1_description = "Value is equal to missing_value" ; qc_ammonium:bit_1_assessment = "Bad" ; qc_ammonium:bit_2_description = "Value is less than valid_min" ; qc_ammonium:bit_2_assessment = "Bad" ; qc_ammonium:bit_3_description = "Value is greater than valid_max" ; qc_ammonium:bit_3_assessment = "Bad" ; qc_ammonium:bit_4_description = "Value is less than warn_min" ; qc_ammonium:bit_4_assessment = "Indeterminate" ; qc_ammonium:bit_5_description = "Value is greater than warn_max" ; qc_ammonium:bit_5_assessment = "Indeterminate" ; qc_ammonium:bit_6_description = "Heater temperature less than heater_temp_min" ; qc_ammonium:bit_6_assessment = "Bad" ; qc_ammonium:bit_7_description = "Inlet pressure (filtered or unfiltered) less than press_inlet_min" ; qc_ammonium:bit_7_assessment = "Bad" ; qc_ammonium:bit_8_description = "Detector voltage less than detector_min" ; qc_ammonium:bit_8_assessment = "Bad" ; qc_ammonium:bit_9_description = "Filament emission current setting equal to 0" ; qc_ammonium:bit_9_assessment = "Bad" ; qc_ammonium:bit_10_description = "Not used" ; qc_ammonium:bit_10_assessment = "Bad" ; qc_ammonium:bit_11_description = "Not used" ; qc_ammonium:bit_11_assessment = "Bad" ; qc_ammonium:bit_12_description = "Not used" ; qc_ammonium:bit_12_assessment = "Bad" ; qc_ammonium:bit_13_description = "Not used" ; qc_ammonium:bit_13_assessment = "Bad" ; qc_ammonium:bit_14_description = "Airbeam normalization factor less than airbeam_norm_min" ; qc_ammonium:bit_14_assessment = "Bad" ; qc_ammonium:bit_15_description = "Airbeam normalization factor greater than airbeam_norm_max" ; qc_ammonium:bit_15_assessment = "Bad" ; qc_ammonium:bit_16_description = "Turbo pump speed less than turbo_speed_min" ; qc_ammonium:bit_16_assessment = "Bad" ; qc_ammonium:bit_17_description = "Heater bias voltage less than heater_bias_min" ; qc_ammonium:bit_17_assessment = "Bad" ; float nitrate(time) ; nitrate:long_name = "Mass concentration of nitrate, ambient aerosol in air" ; nitrate:units = "ug/m^3" ; nitrate:valid_min = -1.f ; nitrate:valid_max = 100.f ; nitrate:missing_value = -9999.f ; nitrate:ancillary_variables = "qc_nitrate" ; int qc_nitrate(time) ; qc_nitrate:long_name = "Quality check results on variable: Mass concentration of nitrate, ambient aerosol in air" ; qc_nitrate:units = "1" ; qc_nitrate:standard_name = "quality_flag" ; qc_nitrate:description = "This variable contains bit-packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_nitrate:warn_min = 0.03f ; qc_nitrate:warn_max = 50.f ; qc_nitrate:heater_temp_min = 590.f ; qc_nitrate:press_inlet_min = 1.f ; qc_nitrate:detector_min = 2000.f ; qc_nitrate:airbeam_norm_min = 0.7f ; qc_nitrate:airbeam_norm_max = 1.3f ; qc_nitrate:turbo_speed_min = 950.f ; qc_nitrate:heater_bias_min = 20.f ; qc_nitrate:flag_method = "bit" ; qc_nitrate:bit_1_description = "Value is equal to missing_value" ; qc_nitrate:bit_1_assessment = "Bad" ; qc_nitrate:bit_2_description = "Value is less than valid_min" ; qc_nitrate:bit_2_assessment = "Bad" ; qc_nitrate:bit_3_description = "Value is greater than valid_max" ; qc_nitrate:bit_3_assessment = "Bad" ; qc_nitrate:bit_4_description = "Value is less than warn_min" ; qc_nitrate:bit_4_assessment = "Indeterminate" ; qc_nitrate:bit_5_description = "Value is greater than warn_max" ; qc_nitrate:bit_5_assessment = "Indeterminate" ; qc_nitrate:bit_6_description = "Heater temperature less than heater_temp_min" ; qc_nitrate:bit_6_assessment = "Bad" ; qc_nitrate:bit_7_description = "Inlet pressure (filtered or unfiltered) less than press_inlet_min" ; qc_nitrate:bit_7_assessment = "Bad" ; qc_nitrate:bit_8_description = "Detector voltage less than detector_min" ; qc_nitrate:bit_8_assessment = "Bad" ; qc_nitrate:bit_9_description = "Filament emission current setting equal to 0" ; qc_nitrate:bit_9_assessment = "Bad" ; qc_nitrate:bit_10_description = "Not used" ; qc_nitrate:bit_10_assessment = "Bad" ; qc_nitrate:bit_11_description = "Not used" ; qc_nitrate:bit_11_assessment = "Bad" ; qc_nitrate:bit_12_description = "Not used" ; qc_nitrate:bit_12_assessment = "Bad" ; qc_nitrate:bit_13_description = "Not used" ; qc_nitrate:bit_13_assessment = "Bad" ; qc_nitrate:bit_14_description = "Airbeam normalization factor less than airbeam_norm_min" ; qc_nitrate:bit_14_assessment = "Bad" ; qc_nitrate:bit_15_description = "Airbeam normalization factor greater than airbeam_norm_max" ; qc_nitrate:bit_15_assessment = "Bad" ; qc_nitrate:bit_16_description = "Turbo pump speed less than turbo_speed_min" ; qc_nitrate:bit_16_assessment = "Bad" ; qc_nitrate:bit_17_description = "Heater bias voltage less than heater_bias_min" ; qc_nitrate:bit_17_assessment = "Bad" ; float total_organics(time) ; total_organics:long_name = "Mass concentration of total organics, ambient aerosol in air" ; total_organics:units = "ug/m^3" ; total_organics:valid_min = -1.f ; total_organics:valid_max = 400.f ; total_organics:missing_value = -9999.f ; total_organics:ancillary_variables = "qc_total_organics" ; int qc_total_organics(time) ; qc_total_organics:long_name = "Quality check results on variable: Mass concentration of total organics, ambient aerosol in air" ; qc_total_organics:units = "1" ; qc_total_organics:standard_name = "quality_flag" ; qc_total_organics:description = "This variable contains bit-packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_total_organics:warn_min = 0.2f ; qc_total_organics:warn_max = 200.f ; qc_total_organics:heater_temp_min = 590.f ; qc_total_organics:press_inlet_min = 1.f ; qc_total_organics:detector_min = 2000.f ; qc_total_organics:airbeam_norm_min = 0.7f ; qc_total_organics:airbeam_norm_max = 1.3f ; qc_total_organics:turbo_speed_min = 950.f ; qc_total_organics:heater_bias_min = 20.f ; qc_total_organics:flag_method = "bit" ; qc_total_organics:bit_1_description = "Value is equal to missing_value" ; qc_total_organics:bit_1_assessment = "Bad" ; qc_total_organics:bit_2_description = "Value is less than valid_min" ; qc_total_organics:bit_2_assessment = "Bad" ; qc_total_organics:bit_3_description = "Value is greater than valid_max" ; qc_total_organics:bit_3_assessment = "Bad" ; qc_total_organics:bit_4_description = "Value is less than warn_min" ; qc_total_organics:bit_4_assessment = "Indeterminate" ; qc_total_organics:bit_5_description = "Value is greater than warn_max" ; qc_total_organics:bit_5_assessment = "Indeterminate" ; qc_total_organics:bit_6_description = "Heater temperature less than heater_temp_min" ; qc_total_organics:bit_6_assessment = "Bad" ; qc_total_organics:bit_7_description = "Inlet pressure (filtered or unfiltered) less than press_inlet_min" ; qc_total_organics:bit_7_assessment = "Bad" ; qc_total_organics:bit_8_description = "Detector voltage less than detector_min" ; qc_total_organics:bit_8_assessment = "Bad" ; qc_total_organics:bit_9_description = "Filament emission current setting equal to 0" ; qc_total_organics:bit_9_assessment = "Bad" ; qc_total_organics:bit_10_description = "Not used" ; qc_total_organics:bit_10_assessment = "Bad" ; qc_total_organics:bit_11_description = "Not used" ; qc_total_organics:bit_11_assessment = "Bad" ; qc_total_organics:bit_12_description = "Not used" ; qc_total_organics:bit_12_assessment = "Bad" ; qc_total_organics:bit_13_description = "Not used" ; qc_total_organics:bit_13_assessment = "Bad" ; qc_total_organics:bit_14_description = "Airbeam normalization factor less than airbeam_norm_min" ; qc_total_organics:bit_14_assessment = "Bad" ; qc_total_organics:bit_15_description = "Airbeam normalization factor greater than airbeam_norm_max" ; qc_total_organics:bit_15_assessment = "Bad" ; qc_total_organics:bit_16_description = "Turbo pump speed less than turbo_speed_min" ; qc_total_organics:bit_16_assessment = "Bad" ; qc_total_organics:bit_17_description = "Heater bias voltage less than heater_bias_min" ; qc_total_organics:bit_17_assessment = "Bad" ; float sulfate(time) ; sulfate:long_name = "Mass concentration of sulfate, ambient aerosol in air" ; sulfate:units = "ug/m^3" ; sulfate:valid_min = -1.f ; sulfate:valid_max = 100.f ; sulfate:missing_value = -9999.f ; sulfate:standard_name = "mass_concentration_of_sulfate_ambient_aerosol_particles_in_air" ; sulfate:ancillary_variables = "qc_sulfate" ; int qc_sulfate(time) ; qc_sulfate:long_name = "Quality check results on variable: Mass concentration of sulfate, ambient aerosol in air" ; qc_sulfate:units = "1" ; qc_sulfate:standard_name = "quality_flag" ; qc_sulfate:description = "This variable contains bit-packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_sulfate:warn_min = 0.04f ; qc_sulfate:warn_max = 50.f ; qc_sulfate:heater_temp_min = 590.f ; qc_sulfate:press_inlet_min = 1.f ; qc_sulfate:detector_min = 2000.f ; qc_sulfate:airbeam_norm_min = 0.7f ; qc_sulfate:airbeam_norm_max = 1.3f ; qc_sulfate:turbo_speed_min = 950.f ; qc_sulfate:heater_bias_min = 20.f ; qc_sulfate:flag_method = "bit" ; qc_sulfate:bit_1_description = "Value is equal to missing_value" ; qc_sulfate:bit_1_assessment = "Bad" ; qc_sulfate:bit_2_description = "Value is less than valid_min" ; qc_sulfate:bit_2_assessment = "Bad" ; qc_sulfate:bit_3_description = "Value is greater than valid_max" ; qc_sulfate:bit_3_assessment = "Bad" ; qc_sulfate:bit_4_description = "Value is less than warn_min" ; qc_sulfate:bit_4_assessment = "Indeterminate" ; qc_sulfate:bit_5_description = "Value is greater than warn_max" ; qc_sulfate:bit_5_assessment = "Indeterminate" ; qc_sulfate:bit_6_description = "Heater temperature less than heater_temp_min" ; qc_sulfate:bit_6_assessment = "Bad" ; qc_sulfate:bit_7_description = "Inlet pressure (filtered or unfiltered) less than press_inlet_min" ; qc_sulfate:bit_7_assessment = "Bad" ; qc_sulfate:bit_8_description = "Detector voltage less than detector_min" ; qc_sulfate:bit_8_assessment = "Bad" ; qc_sulfate:bit_9_description = "Filament emission current setting equal to 0" ; qc_sulfate:bit_9_assessment = "Bad" ; qc_sulfate:bit_10_description = "Not used" ; qc_sulfate:bit_10_assessment = "Bad" ; qc_sulfate:bit_11_description = "Not used" ; qc_sulfate:bit_11_assessment = "Bad" ; qc_sulfate:bit_12_description = "Not used" ; qc_sulfate:bit_12_assessment = "Bad" ; qc_sulfate:bit_13_description = "Not used" ; qc_sulfate:bit_13_assessment = "Bad" ; qc_sulfate:bit_14_description = "Airbeam normalization factor less than airbeam_norm_min" ; qc_sulfate:bit_14_assessment = "Bad" ; qc_sulfate:bit_15_description = "Airbeam normalization factor greater than airbeam_norm_max" ; qc_sulfate:bit_15_assessment = "Bad" ; qc_sulfate:bit_16_description = "Turbo pump speed less than turbo_speed_min" ; qc_sulfate:bit_16_assessment = "Bad" ; qc_sulfate:bit_17_description = "Heater bias voltage less than heater_bias_min" ; qc_sulfate:bit_17_assessment = "Bad" ; float ammonium_predicted(time) ; ammonium_predicted:long_name = "Mass concentration of ammonium predicted for neutralization." ; ammonium_predicted:units = "ug/m^3" ; ammonium_predicted:valid_min = 0.5f ; ammonium_predicted:valid_max = 20.f ; ammonium_predicted:comment = "Amount of ammonium that would balance the observed nitrate, sulfate, and chloride ions based on stoichiometric weighting" ; ammonium_predicted:computation = "ammonium_predicted = 18*(NO3/62 + 2*SO4/96 + Cl/35.5)" ; ammonium_predicted:interpretation = "In general, predicted ammonium should be >= measured ammonium. Poor correlation between measured and predicted (with measured < predicted) implies non-neutralized aerosol, not uncommon with high sulfate. Good correlation but slope different from one might suggest calibration problems." ; ammonium_predicted:missing_value = -9999.f ; float acsm_vol_conc(time) ; acsm_vol_conc:long_name = "ACSM volume concentration" ; acsm_vol_conc:units = "cm^3/m^3" ; acsm_vol_conc:missing_value = -9999.f ; acsm_vol_conc:computation = "acsm_vol_conc = 1e-6*(NH4/1.77 + NO3/1.72 + SO4/1.77 + Cl/1.53 + total/1.2)" ; float airbeam_normalization_factor(time) ; airbeam_normalization_factor:long_name = "Airbeam normalization factor" ; airbeam_normalization_factor:units = "1" ; airbeam_normalization_factor:missing_value = -9999.f ; airbeam_normalization_factor:comment = "Accounts for changes in system sensitivity by normalizing by the N2 signal in filtered air." ; airbeam_normalization_factor:computation = "airbeam_normalization_factor = ABref / AB_total" ; float f43(time) ; f43:long_name = "Fractional contribution of m/z 43 to total organic signal" ; f43:units = "1" ; f43:missing_value = -9999.f ; float f44(time) ; f44:long_name = "Fractional contribution of m/z 44 to total organic signal" ; f44:units = "1" ; f44:missing_value = -9999.f ; float f57(time) ; f57:long_name = "Fractional contribution of m/z 57 to total organic signal" ; f57:units = "1" ; f57:missing_value = -9999.f ; float f60(time) ; f60:long_name = "Fractional contribution of m/z 60 to total organic signal" ; f60:units = "1" ; f60:missing_value = -9999.f ; float HOA(time) ; HOA:long_name = "Hydrocarbon-like organic aerosol mass concentration, approximate" ; HOA:units = "ug/m^3" ; HOA:missing_value = -9999.f ; float OOA(time) ; OOA:long_name = "Oxygenated organic aerosol mass concentration, approximate" ; OOA:units = "ug/m^3" ; OOA:missing_value = -9999.f ; float CE(time) ; CE:long_name = "Collection efficiency used in raw mass calculation" ; CE:units = "1" ; CE:missing_value = -9999.f ; float IE_ionspg(time) ; IE_ionspg:long_name = "Nitrate ionization efficiency used in raw mass in calculations" ; IE_ionspg:units = "1/pg" ; IE_ionspg:missing_value = -9999.f ; float ABref(time) ; ABref:long_name = "Airbeam reference level" ; ABref:units = "count/s" ; ABref:missing_value = -9999.f ; float AB_total(time) ; AB_total:long_name = "Airbeam measurement, total" ; AB_total:units = "count/s" ; AB_total:missing_value = -9999.f ; float AB_bg(time) ; AB_bg:long_name = "Airbeam background measurement" ; AB_bg:units = "count/s" ; AB_bg:missing_value = -9999.f ; float flow_ccs(time) ; flow_ccs:long_name = "Inlet flow rate" ; flow_ccs:units = "cm^3/s" ; flow_ccs:missing_value = -9999.f ; float detector(time) ; detector:long_name = "Detector voltage" ; detector:units = "V" ; detector:missing_value = -9999.f ; float heater_bias(time) ; heater_bias:long_name = "Heater bias voltage" ; heater_bias:units = "V" ; heater_bias:missing_value = -9999.f ; float filament_emission(time) ; filament_emission:long_name = "Filament emission current" ; filament_emission:units = "mA" ; filament_emission:missing_value = -9999.f ; float filament_I(time) ; filament_I:long_name = "Filament current" ; filament_I:units = "A" ; filament_I:missing_value = -9999.f ; float turbo_speed(time) ; turbo_speed:long_name = "Turbo pump speed" ; turbo_speed:units = "Hz" ; turbo_speed:missing_value = -9999.f ; float press_inlet(time) ; press_inlet:long_name = "Inlet pressure" ; press_inlet:units = "hPa" ; press_inlet:missing_value = -9999.f ; float heater_T(time) ; heater_T:long_name = "Heater temperature" ; heater_T:units = "degC" ; heater_T:missing_value = -9999.f ; float lat ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:missing_value = -9999.f ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; lat:standard_name = "latitude" ; float lon ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:missing_value = -9999.f ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; lon:standard_name = "longitude" ; float alt ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:missing_value = -9999.f ; alt:standard_name = "altitude" ; // global attributes: :command_line = "aosacsmtofspecqc -s guc -f S2" ; :Conventions = "ARM-1.3" ; :process_version = "ingest-aosacsmtofspecqc-1.0-0.el7" ; :dod_version = "aosacsmtofspec-b1-1.0" ; :input_source = "/data/collection/guc/gucaosacsmtofspecS2.00/2023_06_14_ACSM_nativeData.txt" ; :site_id = "guc" ; :platform_id = "aosacsmtofspec" ; :facility_id = "S2" ; :data_level = "b1" ; :location_description = "Surface Atmosphere Integrated Field Laboratory (SAIL), Mt Crested Butte, Colorado" ; :datastream = "gucaosacsmtofspecS2.b1" ; :averaging_interval = "10 minutes" ; :averaging_interval_comment = "The average at time t refers to data collected during the previous averaging interval." ; :ACSM = "Aerosol Chemical Speciation Monitor TOF" ; :doi = "10.5439/1865399" ; :history = "created by user dsmgr on machine prod-proc3.adc.arm.gov at 2023-06-16 01:50:00, using ingest-aosacsmtofspecqc-1.0-0.el7" ; }