DQRs for Session: 186104 User:stemmlerj2Completed: 06-12-2017

Data Quality Reports for Session: 186104 User: stemmlerj2 Completed: 06/12/2017

TABLE OF CONTENTS

DQR ID	Subject	Data Streams Affected	Data Quality Metric
D160531.1	ASI/AOSMET/M1 - Reprocessed and Corrected: Wind sensor not aligned to north	asiaosmetM1.a1	Does not affect quality
D160607.3	ASI/SONDE/S1 - Reprocessed and Corrected: Incorrect surface RH value	asisondewnpnS1.b1	Does not affect quality
D160607.4	ASI/SONDE/S1 - Reprocessed and Corrected: Incorrect station altitude	asisondewnpnS1.b1	Does not affect quality
D160608.3	ASI/TRACEGAS/M1 - Air leak	asiaoscoM1.b1	Incorrect
D160616.5	ASI/CCN/M1 - Reprocessed and Corrected: Duplicate timestamps	asiaosccn200M1.a1	Does not affect quality
D160617.14	ASI/AOS/CCN/HTDMA/NEPHELOMETER/UHSAS/M1 - Site installation	asiaosccn200M1.a1, asiaosimpactorM1.b1, asiaosnephdryM1.b1, asiaosuhsasM1.a1	Incorrect
D160621.4	ASI/AOS/M1 - Manifold blower not working	asiaoscpcfM1.b1, asiaosuhsasM1.a1, asiaosmetM1.a1, asiaosimpactorM1.b1, asiaosnephdryM1.b1, asiaoscoM1.b1, asiaosccn200M1.a1	Incorrect
D160622.1	ASI/OZONE/PTR-MS/TRACEGAS/M1 - Sampling cabin air	asiaosso2M1.b1	Incorrect
D160707.5	ASI/NEPHELOMETER/M1 - Instrument	asiaosnephdryM1.b1	Missing
D160708.10	ASI/UHSAS/M1 - Instrument offline	asiaosuhsasM1.a1	Missing
D160708.3	ASI/AOS/M1 - Impactor state not read	asiaosimpactorM1.b1	Does not affect quality
D160708.6	ASI/AOS/M1 - Incorrect readout of Impactor state in 10-um setting not working	asiaosimpactorM1.b1	Incorrect
D160708.8	ASI/SONDE/S1 - Reprocessed and Corrected: Incorrect sounding number	asisondewnpnS1.b1	Does not affect quality
D160713.1	ASI/SONDE/S1 - RH suspect, possible sensor icing	asisondewnpnS1.b1	Incorrect
D160801.4	ASI/SONDE/S1 - Reprocessed and Corrected: Incorrect lat and lon	asisondewnpnS1.b1	Does not affect quality
D160822.4	ASI/CCN/M1 - Incorrect flows	asiaosccn200M1.a1	Incorrect
D160824.10	ASI/UHSAS/M1 - Unstable flows	asiaosuhsasM1.a1	Incorrect
D160907.12	ASI/CPC/M1 - Instrument testing	asiaoscpcfM1.b1	Incorrect
D160907.13	ASI/CPC/M1 - Instrument maintence	asiaoscpcfM1.b1	Incorrect
D161013.5	ASI/AOSMET/M1/M1 - Computer disk failure	asiaosmetM1.a1	Does not affect quality
D161024.2	ASI/CPC/M1 - Collection	asiaoscpcfM1.b1	Does not affect quality
D161109.4	ASI/TRACEGAS/M1 - Sampling cabin air.	asiaosso2M1.b1, asiaoscoM1.b1	Incorrect
D161116.1	ASI/CCN/M1 - Concentration mismatch	asiaosccn200M1.a1	Suspect
D161116.5	ASI/CCN/M1 - Instrument troubleshooting	asiaosccn200M1.a1	Incorrect
D161202.3	ASI/NEPHELOMETER/M1 - Instrument offline	asiaosnephdryM1.b1	Missing
D161202.8	ASI/CPC/M1 - Counts periodically drifting to zero	asiaoscpcfM1.b1	Incorrect
D161206.3	ASI/CPC/M1 - Saturator wick changed out	asiaoscpcfM1.b1	Incorrect
D161209.7	ASI/SONDE/S1 - Missing launches	asisondewnpnS1.b1	Missing
D161216.9	ASI/CPC/M1 - Debris found in inner nozzle	asiaoscpcfM1.b1	Incorrect
D170109.18	ASI/SONDE/S1 - Suspect values at start of launch	asisondewnpnS1.b1	Incorrect
D170112.1	ASI/NEPHELOMETER/M1 - Less efficient sample drying	asiaosnephdryM1.b1	Does not affect quality
D170202.12	ASI/CPC/SMPS/M1 - ACSM Calibration	asiaoscpcfM1.b1	Missing
D170202.13	ASI/CPC/M1 - Gillibrator Flow Rate Test	asiaoscpcfM1.b1	Incorrect
D170202.20	ASI/CPC/M1 - CPCF/SMPS comparison	asiaoscpcfM1.b1	Suspect
D170202.5	ASI/CPC/M1 - Adding quick connect to vacuum line	asiaoscpcfM1.b1	Incorrect
D170202.7	ASI/CPC/UHSAS/M1 - HEPA filter testing	asiaoscpcfM1.b1, asiaosuhsasM1.a1	Incorrect
D170202.8	ASI/CPC/M1 - Cleaning & Calibration	asiaoscpcfM1.b1	Missing
D170203.7	ASI/AOS/M1 - Mentor visit	asiaosccn200M1.a1, asiaosimpactorM1.b1, asiaosnephdryM1.b1, asiaosuhsasM1.a1	Suspect
D170208.3	ASI/OZONE/TRACEGAS/M1 - Trace gas inlet blower failure	asiaosso2M1.b1, asiaoscoM1.b1	Incorrect
D170208.4	ASI/OZONE/TRACEGAS/M1 - Instrument computer failure	asiaosso2M1.b1, asiaoscoM1.b1	Missing
D170210.5	ASI/CPC/M1 - Instrument Butanol fill not initializing, cpc ran dry	asiaoscpcfM1.b1	Incorrect
D170210.6	ASI/CPC/M1 - Instrument Data Missing	asiaoscpcfM1.b1	Incorrect
D170213.4	ASI/CPC/M1 - Debris Blocking CPC Optics Block	asiaoscpcfM1.b1	Incorrect
D170214.4	ASI/CPC/M1 - Instrument maintenance	asiaoscpcfM1.b1	Missing
D170223.2	ASI/NEPHELOMETER/M1 - Nephelometer bulb replaced	asiaosnephdryM1.b1	Incorrect
D170406.1	ASI/AETH/NEPHELOMETER/PSAP/M1 - Decreased impactor flow	asiaosnephdryM1.b1	Does not affect quality
D170410.1	ASI/NEPHELOMETER/M1 - Lamp burned out	asiaosnephdryM1.b1	Incorrect
D170421.5	ASI/CPC/M1 - Troubleshooting and replacing failed thermistor	asiaoscpcfM1.b1	Missing
D170426.2	ASI/OZONE/TRACEGAS/M1 - Inlet blower replacement	asiaosso2M1.b1, asiaoscoM1.b1	Incorrect

DQRID : D160531.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/23/2016	0000	05/31/2016	1646	Does not affect quality

Subject:	ASI/AOSMET/M1 - Reprocessed and Corrected: Wind sensor not aligned to north
DataStreams:	asiaosmetM1.a1
Description:	DATA REPROCESSED and CORRECTED: The wind sensor was not aligned to true north, resulting in wind direction data 16 degrees too high. The data were archived November 2016. Please retrieve the reprocessed data for use in your analysis. ORIGINAL DQR CATEGORY: Red( Incorrect) REPROCESSED and CORRECTED DATA ARCHIVED:2016-11 REPROCESS IDENTIFICATION NUMBER: RID 1470 --------------------------------------------------- --- ORIGINAL DQR DESCRIPTION --- --------------------------------------------------- The wind sensor was not aligned to true north, resulting in wind direction data 16 degrees too high.
Measurements:	asiaosmetM1.a1: Wind direction, relative to true North(WindDirection)

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DQRID : D160607.3

Start Date	Start Time	End Date	End Time	Data Quality Metric
06/05/2016	0533	06/05/2016	0700	Does not affect quality

Subject:	ASI/SONDE/S1 - Reprocessed and Corrected: Incorrect surface RH value
DataStreams:	asisondewnpnS1.b1
Description:	DATA REPROCESSED and CORRECTED: Site operations input the incorrect site altitude data in the DigiCORA software during deployment. 84.7m was input. 75.9m is the correct value. The data were archived September 2016. Please retrieve the reprocessed data for use in your analysis. ORIGINAL DQR CATEGORY: Transparent (Does not affect quality) REPROCESSED and CORRECTED DATA ARCHIVED:2016-09 REPROCESS IDENTIFICATION NUMBER: RID 1473 --------------------------------------------------- --- ORIGINAL DQR DESCRIPTION --- --------------------------------------------------- An incorrect surface RH value was entered for this sounding.
Measurements:	asisondewnpnS1.b1: Dewpoint Temperature(dp) Humidity, relative, at 21-m height, 30-min avg(rh)

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DQRID : D160607.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
05/30/2016	1124	06/07/2016	2044	Does not affect quality

Subject:	ASI/SONDE/S1 - Reprocessed and Corrected: Incorrect station altitude
DataStreams:	asisondewnpnS1.b1
Description:	DATA REPROCESSED and CORRECTED: Site operations input the incorrect site altitude data in the DigiCORA software during deployment. 84.7m was input. 75.9m is the correct value. The data were archived September 2016. Please retrieve the reprocessed data for use in your analysis. ORIGINAL DQR CATEGORY: Yellow (Suspect) REPROCESSED and CORRECTED DATA ARCHIVED:2016-09 REPROCESS IDENTIFICATION NUMBER: RID 1474 --------------------------------------------------- --- ORIGINAL DQR DESCRIPTION --- --------------------------------------------------- Site operations input the incorrect site altitude data in the DigiCORA software during deployment. 84.7m was input. 75.9m is the correct value.
Measurements:	asisondewnpnS1.b1: Altitude above mean sea level(alt)

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DQRID : D160608.3

Start Date	Start Time	End Date	End Time	Data Quality Metric
06/03/2016	1549	06/06/2016	1958	Incorrect

Subject:	ASI/TRACEGAS/M1 - Air leak
DataStreams:	asiaoscoM1.b1
Description:	Filter change resulted in total leak to cabin air. Data irrecoverable.
Measurements:	asiaoscoM1.b1: Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(n2o_dry) Calculated CO concentration(co) Nitrous oxide (N2O) mixing ratio calculated with nominal sensitivity correction(n2o) Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(co_dry) Water vapor mixing ratio calculated with nominal sensitivity correction(h2o)

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DQRID : D160616.5

Start Date	Start Time	End Date	End Time	Data Quality Metric
05/17/2016	1920	05/31/2016	1847	Does not affect quality

Subject:	ASI/CCN/M1 - Reprocessed and Corrected: Duplicate timestamps
DataStreams:	asiaosccn200M1.a1
Description:	DATA REPROCESSED and CORRECTED: Data saved by the instrument had duplicate time stamps due to the instrument not properly handling fractional seconds. The raw data has been corrected and reprocessed. The data quality is not affected. These data were Archived in July 2016. Please retrieve the reprocessed data for use in your analysis. You may find these data using the ARM Discovery tool at the following link: http://www.archive.arm.gov/discovery/#v/results/s/s::aosccn200/fsite::asi/ffac::asi.M1 ORIGINAL DQR CATEGORY: Transparent(Does not affect quality) REPROCESSED and CORRECTED DATA ARCHIVED:2016-07 REPROCESS IDENTIFICATION NUMBER: RID 1476 --------------------------------------------------- --- ORIGINAL DQR DESCRIPTION --- --------------------------------------------------- Data saved by the instrument had duplicate timestamps due to the instrument not properly handling fractional seconds. Data will be reprocessed to correct for this issue. Data quality not affected.
Measurements:	asiaosccn200M1.a1: CCN_laser_current_2 CCN_laser_current_1 CCN_T_nafion_1 CCN_supersaturation_set_point_2 CCN_first_stage_monitor_voltage_1 CCN_ss_set_1 CCN_T_nafion_2 CCN_first_stage_monitor_voltage_2 CCN_ss_set_2 CCN_supersaturation_set_point_1 CCN_Q_sheath_2 CCN_Q_sheath_1 CCN_T_set_TEC2_2 Size of upper limit of each CCN bin(CCN_upper_size_limit) CCN_T_set_TEC3_2 CCN_T_set_TEC3_1 CCN_T_OPC_2 CCN_T_OPC_1 CCN_P_sample_2 CCN_T_read_TEC2_2 CCN_P_sample_1 CCN_T_read_TEC1_2 CCN_T_read_TEC1_1 CCN_inlet_set_1 CCN_inlet_set_2 CCN_T_set_TEC2_1 CCN_OPC_set_1 CCN_T_read_TEC2_1 CCN_OPC_set_2 CCN_T_sample_2 CCN_T_sample_1 CCN_T_read_TEC3_1 CCN_T_read_TEC3_2 CCN_T_set_TEC1_2 CCN_T_set_TEC1_1 size_bin CCN_alarm_code CCN_Q_sample_1 CCN_temp_unstable_flag_1 CCN_alarm_code_1 CCN_alarm_code_2 CCN_baseline_monitor_1 CCN_temp_unstable_1 CCN_temp_unstable_2 CCN_Q_sample_2 CCN_temp_unstable_flag_2 Cloud droplet concentration number from summation of condensation nuclei counter size bins(N_CCN_1) CCN_overflow_1 CCN_overflow_2 CCN_T_inlet_set_2 CCN_baseline_monitor_2 CCN_T_inlet_set_1 AOS number concentration of CCN, second column(N_CCN_2) CCN_T_inlet_1 CCN_T_inlet_2 CCN_nafion_set_2 CCN_T_nafion_set_2 N_CCN_bin_number_2 CCN_T_nafion_set_1 N_CCN_bin_number_1 AOS CCN droplet count by bin size, second column(N_CCN_dN_2) CCN_proportional_valve_voltage_1 CCN_proportional_valve_voltage_2 AOS CCN droplet count by bin size, first column(N_CCN_dN_1) CCN_nafion_set_1 CCN_temperature_gradient_1 CCN_temperature_gradient_2

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DQRID : D160617.14

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/22/2016	0000	05/31/2016	2359	Incorrect

Subject:	ASI/AOS/CCN/HTDMA/NEPHELOMETER/UHSAS/M1 - Site installation
DataStreams:	asiaosccn200M1.a1, asiaosimpactorM1.b1, asiaosnephdryM1.b1, asiaosuhsasM1.a1
Description:	Site installation, mentors on site. No valid data.
Measurements:	asiaosccn200M1.a1: CCN_laser_current_2 CCN_laser_current_1 CCN_supersaturation_set_point_2 CCN_first_stage_monitor_voltage_1 CCN_supersaturation_set_point_1 CCN_first_stage_monitor_voltage_2 CCN_Q_sheath_2 CCN_Q_sheath_1 CCN_T_set_TEC2_2 CCN_T_set_TEC3_2 CCN_T_set_TEC3_1 CCN_T_OPC_2 CCN_T_OPC_1 CCN_T_read_TEC1_2 CCN_T_read_TEC1_1 CCN_T_set_TEC2_1 CCN_OPC_set_1 CCN_OPC_set_2 CCN_T_sample_2 CCN_T_sample_1 CCN_T_read_TEC3_1 CCN_T_read_TEC3_2 CCN_T_set_TEC1_2 CCN_T_set_TEC1_1 size_bin CCN_temp_unstable_1 CCN_temp_unstable_2 CCN_T_inlet_1 CCN_T_inlet_2 N_CCN_bin_number_2 N_CCN_bin_number_1 CCN_proportional_valve_voltage_1 AOS CCN droplet count by bin size, second column(N_CCN_dN_2) CCN_proportional_valve_voltage_2 AOS CCN droplet count by bin size, first column(N_CCN_dN_1) size_bin_bounds CCN_T_nafion_1 CCN_ss_set_1 CCN_T_nafion_2 CCN_ss_set_2 Size of upper limit of each CCN bin(CCN_upper_size_limit) CCN_P_sample_2 CCN_T_read_TEC2_2 CCN_P_sample_1 CCN_inlet_set_1 CCN_inlet_set_2 CCN_T_read_TEC2_1 CCN_alarm_code CCN_Q_sample_1 CCN_temp_unstable_flag_1 CCN_alarm_code_1 CCN_baseline_monitor_1 CCN_alarm_code_2 CCN_Q_sample_2 CCN_temp_unstable_flag_2 Cloud droplet concentration number from summation of condensation nuclei counter size bins(N_CCN_1) CCN_overflow_1 CCN_overflow_2 CCN_T_inlet_set_2 CCN_baseline_monitor_2 CCN_T_inlet_set_1 AOS number concentration of CCN, second column(N_CCN_2) CCN_nafion_set_2 CCN_T_nafion_set_2 CCN_T_nafion_set_1 CCN_nafion_set_1 CCN_temperature_gradient_1 CCN_temperature_gradient_2 asiaosimpactorM1.b1: Impactor particle size cut(impactor_state) dP_10um_minus_1um P_1um_hourly_average P_10um_hourly_average impactor_inlet_RH P_Neph_Dry seconds_after_transition asiaosnephdryM1.b1: Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W_1) T_Neph_Inlet_Dry Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W) T_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W) Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W_1) P_Neph_Dry mode_flag Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W_1) Impactor particle size cut(impactor_state) Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W) impactor_setting density_correction_factor seconds_after_transition Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W) Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W) RH_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W) Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W_1) Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W_1) Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W_1) asiaosuhsasM1.a1: scattering_voltage Temperature at the ground station(temperature) flow Particle size distribution, limited by lower_size_limit and upper_size_limit(size_distribution) sample_pressure lower_size_limit sheath_flow purge_flow current reference unit_temperature auxiliary differential_voltage sampling_volume bin_num upper_size_limit

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DQRID : D160621.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
06/16/2016	0042	06/16/2016	1345	Incorrect

Subject:	ASI/AOS/M1 - Manifold blower not working
DataStreams:	asiaoscpcfM1.b1, asiaosuhsasM1.a1, asiaosmetM1.a1, asiaosimpactorM1.b1, asiaosnephdryM1.b1, asiaoscoM1.b1, asiaosccn200M1.a1
Description:	Manifold blower not working, instrument sample flows either zero or different than specified. Sampling through the stack not isokinetic.
Measurements:	asiaosccn200M1.a1: CCN_T_set_TEC2_2 CCN_T_set_TEC3_2 CCN_T_set_TEC3_1 CCN_T_OPC_2 CCN_T_OPC_1 CCN_T_set_TEC2_1 CCN_T_sample_2 CCN_T_sample_1 CCN_T_set_TEC1_2 CCN_T_set_TEC1_1 time_offset CCN_T_inlet_1 CCN_T_inlet_2 North latitude(lat) N_CCN_bin_number_2 N_CCN_bin_number_1 East longitude(lon) size_bin_bounds CCN_ss_set_1 CCN_ss_set_2 Size of upper limit of each CCN bin(CCN_upper_size_limit) CCN_P_sample_2 CCN_P_sample_1 CCN_alarm_code CCN_Q_sample_1 CCN_alarm_code_1 CCN_alarm_code_2 CCN_baseline_monitor_1 CCN_Q_sample_2 Cloud droplet concentration number from summation of condensation nuclei counter size bins(N_CCN_1) CCN_overflow_1 CCN_T_inlet_set_2 CCN_overflow_2 CCN_baseline_monitor_2 CCN_T_inlet_set_1 AOS number concentration of CCN, second column(N_CCN_2) CCN_nafion_set_2 CCN_T_nafion_set_2 CCN_T_nafion_set_1 CCN_nafion_set_1 CCN_laser_current_2 CCN_laser_current_1 CCN_first_stage_monitor_voltage_1 CCN_supersaturation_set_point_2 CCN_supersaturation_set_point_1 CCN_first_stage_monitor_voltage_2 CCN_Q_sheath_2 CCN_Q_sheath_1 base_time CCN_T_read_TEC1_2 CCN_T_read_TEC1_1 CCN_OPC_set_1 CCN_OPC_set_2 CCN_T_read_TEC3_1 CCN_T_read_TEC3_2 size_bin time Altitude above mean sea level(alt) CCN_temp_unstable_1 CCN_temp_unstable_2 AOS CCN droplet count by bin size, second column(N_CCN_dN_2) CCN_proportional_valve_voltage_1 CCN_proportional_valve_voltage_2 AOS CCN droplet count by bin size, first column(N_CCN_dN_1) CCN_T_nafion_1 CCN_T_nafion_2 CCN_T_read_TEC2_2 CCN_inlet_set_1 CCN_inlet_set_2 CCN_T_read_TEC2_1 CCN_temp_unstable_flag_1 CCN_temp_unstable_flag_2 CCN_temperature_gradient_1 CCN_temperature_gradient_2 asiaoscoM1.b1: qc_h2o North latitude(lat) gas_pressure valve_position_MFC_2 valve_position_MFC_1 gas_temperature Water vapor mixing ratio calculated with nominal sensitivity correction(h2o) mass_flow_through_MFC_1 qc_co qc_n2o_dry mass_flow_through_MFC_2 Altitude above mean sea level(alt) Calculated CO concentration(co) set_point_for_MFC_2 set_point_for_MFC_1 qc_n2o Nitrous oxide (N2O) mixing ratio calculated with nominal sensitivity correction(n2o) ambient_temperature time_offset Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(n2o_dry) qc_co_dry Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(co_dry) time base_time seconds_after_calibration East longitude(lon) asiaosmetM1.a1: time Ambient air temperature(T_Ambient) Ambient air relative humidity(RH_Ambient) East longitude(lon) Wind speed(WindSpeed) base_time ref_volts Wind direction, relative to true North(WindDirection) heater_volts Altitude above mean sea level(alt) time_offset heater_temp Ambient pressure(P_Ambient) supply_volts Rain amount(rain_amount) North latitude(lat) Rain intensity(rain_intensity) Rain Duration(rain_duration) asiaosimpactorM1.b1: Impactor particle size cut(impactor_state) time_offset qc_impactor_state time dP_10um_minus_1um seconds_after_transition North latitude(lat) East longitude(lon) base_time Altitude above mean sea level(alt) P_1um_hourly_average P_10um_hourly_average impactor_inlet_RH P_Neph_Dry asiaosnephdryM1.b1: T_Neph_Inlet_Dry lamp_voltage qc_P_Neph_Dry Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W) qc_impactor_state instrument_state qc_T_Neph_Inlet_Dry time Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W) impactor_setting North latitude(lat) Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W) qc_Bbs_R_Dry_Neph3W qc_T_Neph_Dry RH_Neph_Dry qc_Bs_R_Dry_Neph3W time_offset qc_Bs_G_Dry_Neph3W Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W_1) lamp_current Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W_1) qc_Bbs_G_Dry_Neph3W T_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W) Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W_1) P_Neph_Dry mode_flag qc_Bs_B_Dry_Neph3W qc_Bbs_B_Dry_Neph3W Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W_1) Impactor particle size cut(impactor_state) East longitude(lon) density_correction_factor seconds_after_transition Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W) Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W) Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W_1) Altitude above mean sea level(alt) qc_RH_Neph_Dry Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W_1) base_time asiaosuhsasM1.a1: scattering_voltage Temperature at the ground station(temperature) flow lower_size_limit Altitude above mean sea level(alt) purge_flow current reference unit_temperature differential_voltage time_offset Particle size distribution, limited by lower_size_limit and upper_size_limit(size_distribution) East longitude(lon) sample_pressure sheath_flow time auxiliary North latitude(lat) sampling_volume base_time bin_num upper_size_limit asiaoscpcfM1.b1: dilution_flow_reading optics_temp North latitude(lat) dilution_intercept laser_current orifice_pressure East longitude(lon) nozzle_pressure liquid_level aerosol_flow_calibrated condensation_temp time dilution_slope cabinet_temp saturation_temp Altitude above mean sea level(alt) dilution_valve_position qc_concentration ambient_pressure dilution_correction_factor base_time time_offset fraction_full dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration)

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DQRID : D160622.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
05/25/2016	0837	05/25/2016	1251	Incorrect

Subject:	ASI/OZONE/PTR-MS/TRACEGAS/M1 - Sampling cabin air
DataStreams:	asiaosso2M1.b1
Description:	Inlet system turned off. Sampling cabin air. No effect on NO/NOx/NOy.
Measurements:	asiaosso2M1.b1: Sulfur dioxide (SO2) mixing ratio calculated with nominal sensitivity correction(so2)

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DQRID : D160707.5

Start Date	Start Time	End Date	End Time	Data Quality Metric
06/24/2016	1824	06/26/2016	2322	Missing

Subject:	ASI/NEPHELOMETER/M1 - Instrument
DataStreams:	asiaosnephdryM1.b1
Description:	Data missing due to an issue with communications between the instrument and the PC.
Measurements:	asiaosnephdryM1.b1: RH_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W_1) T_Neph_Inlet_Dry qc_Bbs_G_Dry_Neph3W P_Neph_Dry mode_flag impactor_setting North latitude(lat) qc_Bs_R_Dry_Neph3W Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W) qc_P_Neph_Dry Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W_1) density_correction_factor Altitude above mean sea level(alt) qc_Bs_B_Dry_Neph3W Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W) qc_T_Neph_Inlet_Dry qc_Bbs_B_Dry_Neph3W time_offset time qc_Bs_G_Dry_Neph3W seconds_after_transition Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W_1) qc_RH_Neph_Dry T_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W) Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W) Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W_1) Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W_1) Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W) qc_Bbs_R_Dry_Neph3W Impactor particle size cut(impactor_state) Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W_1) qc_impactor_state East longitude(lon) base_time qc_T_Neph_Dry Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W)

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DQRID : D160708.10

Start Date	Start Time	End Date	End Time	Data Quality Metric
07/08/2016	1435	07/08/2016	1615	Missing

Subject:	ASI/UHSAS/M1 - Instrument offline
DataStreams:	asiaosuhsasM1.a1
Description:	Instrument offline for flow adjustment.
Measurements:	asiaosuhsasM1.a1: differential_voltage purge_flow flow Temperature at the ground station(temperature) sampling_volume base_time time current unit_temperature East longitude(lon) scattering_voltage Particle size distribution, limited by lower_size_limit and upper_size_limit(size_distribution) auxiliary sample_pressure North latitude(lat) time_offset reference lower_size_limit Altitude above mean sea level(alt) sheath_flow bin_num upper_size_limit

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DQRID : D160708.3

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/23/2016	1300	05/23/2016	1505	Does not affect quality

Subject:	ASI/AOS/M1 - Impactor state not read
DataStreams:	asiaosimpactorM1.b1
Description:	Impactor state was not read back from the limit switches. Impactor still switching and the impactor state data is valid. This applies only to raw data as the read-back state is only in raw data.
Measurements:	asiaosimpactorM1.b1: Impactor particle size cut(impactor_state)

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DQRID : D160708.6

Start Date	Start Time	End Date	End Time	Data Quality Metric
06/21/2016	1100	07/20/2016	1807	Incorrect

Subject:	ASI/AOS/M1 - Incorrect readout of Impactor state in 10-um setting not working
DataStreams:	asiaosimpactorM1.b1
Description:	The limit switch in the 10-um position was not working. Operator found a loose wire and resoldered.
Measurements:	asiaosimpactorM1.b1: Impactor particle size cut(impactor_state)

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DQRID : D160708.8

Start Date	Start Time	End Date	End Time	Data Quality Metric
06/30/2016	2329	07/01/2016	0710	Does not affect quality

Subject:	ASI/SONDE/S1 - Reprocessed and Corrected: Incorrect sounding number
DataStreams:	asisondewnpnS1.b1
Description:	DATA REPROCESSED and CORRECTED: The data quality is not affected. Metadata parameter "Sounding" indicating the sounding number was input incorrectly with month number "6" used instead of month number "7". 06302016-2329GMT launch had Sounding = 900601161; it is now 900701161. 07012016-0523GMT launch had Sounding = 900601162; it is now 900701162. The data were archived in March 2017. Please retrieve the reprocessed data for use in your analysis. You may find these data using the ARM Discovery tool at the following link: http://www.archive.arm.gov/discovery/#v/results/s/finst::{inst}/fsite::{site}/ffac::{site}.{fac} ORIGINAL DQR CATEGORY: TRansparent( Does not affect quality) REPROCESSED and CORRECTED DATA ARCHIVED:2017-03 REPROCESS IDENTIFICATION NUMBER: RID 1483 --------------------------------------------------- --- ORIGINAL DQR DESCRIPTION --- --------------------------------------------------- The data quality is not affected. Metedata parameter "Sounding" indicating the sounding number was input incorrectly with month number "6" used instead of month number "7". 06302016-2329GMT launch has Sounding = 900601161; it should be 900701161 07012016-0523GMT launch has Sounding = 900601162; it should be 900701162
Measurements:	asisondewnpnS1.b1: base_time

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DQRID : D160713.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
07/11/2016	1145	07/11/2016	1218	Incorrect

Subject:	ASI/SONDE/S1 - RH suspect, possible sensor icing
DataStreams:	asisondewnpnS1.b1
Description:	RH data during this time period is suspect due to possible sensor icing.
Measurements:	asisondewnpnS1.b1: Dewpoint Temperature(dp) Humidity, relative, at 21-m height, 30-min avg(rh)

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DQRID : D160801.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
08/01/2016	0229	08/01/2016	0323	Does not affect quality

Subject:	ASI/SONDE/S1 - Reprocessed and Corrected: Incorrect lat and lon
DataStreams:	asisondewnpnS1.b1
Description:	DATA REPROCESSED and CORRECTED: The initial lat/lon settings were corrupted. Data has been reprocessed, collected, and ingested to reflect the correct lat/lon settings. The data were archived March 2017. Please retrieve the reprocessed data for use in your analysis. You may find these data using the ARM Discovery tool at the following link: http://www.archive.arm.gov/discovery/#v/results/s/finst::{inst}/fsite::{site}/ffac::{site}.{fac} ORIGINAL DQR CATEGORY: Red( Incorrect) REPROCESSED and CORRECTED DATA ARCHIVED:2017-03 REPROCESS IDENTIFICATION NUMBER: RID 1485 --------------------------------------------------- --- ORIGINAL DQR DESCRIPTION --- --------------------------------------------------- Somehow the initial Lat/Lon settings were corrupted. Data has been reprocessed and needs to be collected and ingested.
Measurements:	asisondewnpnS1.b1: North latitude(lat) East longitude(lon)

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DQRID : D160822.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
08/20/2016	0200	08/20/2016	1530	Incorrect

Subject:	ASI/CCN/M1 - Incorrect flows
DataStreams:	asiaosccn200M1.a1
Description:	Instrument flows incorrect due to water in the flow lines.
Measurements:	asiaosccn200M1.a1: CCN_laser_current_2 CCN_laser_current_1 size_bin_bounds CCN_T_nafion_1 CCN_supersaturation_set_point_2 CCN_first_stage_monitor_voltage_1 CCN_ss_set_1 CCN_ss_set_2 CCN_T_nafion_2 CCN_first_stage_monitor_voltage_2 CCN_supersaturation_set_point_1 CCN_Q_sheath_2 CCN_Q_sheath_1 CCN_T_set_TEC2_2 Size of upper limit of each CCN bin(CCN_upper_size_limit) CCN_T_set_TEC3_2 CCN_T_set_TEC3_1 CCN_T_OPC_2 CCN_T_OPC_1 CCN_P_sample_2 CCN_T_read_TEC2_2 CCN_P_sample_1 CCN_T_read_TEC1_2 CCN_T_read_TEC1_1 CCN_inlet_set_1 CCN_inlet_set_2 CCN_T_set_TEC2_1 CCN_OPC_set_1 CCN_T_read_TEC2_1 CCN_OPC_set_2 CCN_T_sample_2 CCN_T_sample_1 CCN_T_read_TEC3_1 CCN_T_read_TEC3_2 CCN_T_set_TEC1_2 CCN_T_set_TEC1_1 size_bin CCN_alarm_code CCN_Q_sample_1 CCN_temp_unstable_flag_1 CCN_alarm_code_1 CCN_alarm_code_2 CCN_baseline_monitor_1 CCN_temp_unstable_1 CCN_temp_unstable_2 CCN_Q_sample_2 CCN_temp_unstable_flag_2 Cloud droplet concentration number from summation of condensation nuclei counter size bins(N_CCN_1) CCN_overflow_1 CCN_T_inlet_set_2 CCN_overflow_2 CCN_baseline_monitor_2 CCN_T_inlet_set_1 AOS number concentration of CCN, second column(N_CCN_2) CCN_T_inlet_1 CCN_T_inlet_2 CCN_nafion_set_2 N_CCN_bin_number_2 CCN_T_nafion_set_2 CCN_T_nafion_set_1 N_CCN_bin_number_1 AOS CCN droplet count by bin size, second column(N_CCN_dN_2) CCN_proportional_valve_voltage_1 AOS CCN droplet count by bin size, first column(N_CCN_dN_1) CCN_proportional_valve_voltage_2 CCN_nafion_set_1 CCN_temperature_gradient_1 CCN_temperature_gradient_2

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DQRID : D160824.10

Start Date	Start Time	End Date	End Time	Data Quality Metric
08/22/2016	1600	08/22/2016	1900	Incorrect

Subject:	ASI/UHSAS/M1 - Unstable flows
DataStreams:	asiaosuhsasM1.a1
Description:	Cleaning the internal flow lines and testing proper operation after a possible obstruction in the flow lines. No valid data from this period.
Measurements:	asiaosuhsasM1.a1: differential_voltage purge_flow flow Temperature at the ground station(temperature) sampling_volume current unit_temperature scattering_voltage Particle size distribution, limited by lower_size_limit and upper_size_limit(size_distribution) auxiliary sample_pressure reference lower_size_limit sheath_flow bin_num upper_size_limit

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DQRID : D160907.12

Start Date	Start Time	End Date	End Time	Data Quality Metric
09/03/2016	1314	09/03/2016	1327	Incorrect

Subject:	ASI/CPC/M1 - Instrument testing
DataStreams:	asiaoscpcfM1.b1
Description:	During this time tests were being run with a HEPA filter on the inlet. Data is not representative of ambient aerosol concentrations
Measurements:	asiaoscpcfM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration)

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DQRID : D160907.13

Start Date	Start Time	End Date	End Time	Data Quality Metric
09/06/2016	1004	09/06/2016	1029	Incorrect
09/06/2016	1815	09/06/2016	1819	Incorrect

Subject:	ASI/CPC/M1 - Instrument maintence
DataStreams:	asiaoscpcfM1.b1
Description:	During these intervals, connections were being removed from the CPC to prepare for it to take the place of the SMPS CPC.
Measurements:	asiaoscpcfM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration)

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DQRID : D161013.5

Start Date	Start Time	End Date	End Time	Data Quality Metric
10/04/2016	1500	10/13/2016	1800	Does not affect quality

Subject:	ASI/AOSMET/M1/M1 - Computer disk failure
DataStreams:	asiaosmetM1.a1
Description:	Data are intermittently missing from 10/4 until the computer disk was replaced on 10/13. Data are completely missing 10/12 at 11:00 UTC until 10/13 at 18:00 UTC.
Measurements:	asiaosmetM1.a1: Ambient air temperature(T_Ambient) Ambient pressure(P_Ambient) Wind direction, relative to true North(WindDirection) Ambient air relative humidity(RH_Ambient) supply_volts heater_volts Rain amount(rain_amount) ref_volts Altitude above mean sea level(alt) Rain intensity(rain_intensity) time_offset North latitude(lat) East longitude(lon) Wind speed(WindSpeed) base_time Rain Duration(rain_duration) time heater_temp

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DQRID : D161024.2

Start Date	Start Time	End Date	End Time	Data Quality Metric
09/06/2016	1030	09/06/2016	1815	Does not affect quality

Subject:	ASI/CPC/M1 - Collection
DataStreams:	asiaoscpcfM1.b1
Description:	The CPC associated with the SMPS was sampling in place of the CPC associated with this CPCF measurement. The CPC's are the same model number
Measurements:	asiaoscpcfM1.b1: condensation_temp dilution_intercept dilution_flow_reading laser_current liquid_level dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) saturation_temp dilution_slope ambient_pressure dilution_correction_factor cabinet_temp optics_temp orifice_pressure fraction_full aerosol_flow_calibrated nozzle_pressure

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DQRID : D161109.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
10/25/2016	2046	10/26/2016	1135	Incorrect

Subject:	ASI/TRACEGAS/M1 - Sampling cabin air.
DataStreams:	asiaosso2M1.b1, asiaoscoM1.b1
Description:	Inlet blower turned off so instrument sampling cabin air.
Measurements:	asiaosso2M1.b1: Sulfur dioxide (SO2) mixing ratio calculated with nominal sensitivity correction(so2) asiaoscoM1.b1: Calculated CO concentration(co) Nitrous oxide (N2O) mixing ratio calculated with nominal sensitivity correction(n2o) Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(co_dry) Water vapor mixing ratio calculated with nominal sensitivity correction(h2o)

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DQRID : D161116.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
08/20/2016	1530	09/16/2016	1500	Suspect

Subject:	ASI/CCN/M1 - Concentration mismatch
DataStreams:	asiaosccn200M1.a1
Description:	Concentration mismatch between the CCN columns at the same supersaturation set point after water was removed from one of the sheath air lines. Not clear which column was affected.
Measurements:	asiaosccn200M1.a1: CCN_laser_current_2 CCN_laser_current_1 size_bin_bounds CCN_T_nafion_1 CCN_supersaturation_set_point_2 CCN_first_stage_monitor_voltage_1 CCN_ss_set_1 CCN_ss_set_2 CCN_T_nafion_2 CCN_first_stage_monitor_voltage_2 CCN_supersaturation_set_point_1 CCN_Q_sheath_2 CCN_Q_sheath_1 CCN_T_set_TEC2_2 Size of upper limit of each CCN bin(CCN_upper_size_limit) CCN_T_set_TEC3_2 CCN_T_set_TEC3_1 CCN_T_OPC_2 CCN_T_OPC_1 CCN_P_sample_2 CCN_T_read_TEC2_2 CCN_P_sample_1 CCN_T_read_TEC1_2 CCN_T_read_TEC1_1 CCN_inlet_set_1 CCN_inlet_set_2 CCN_T_set_TEC2_1 CCN_OPC_set_1 CCN_T_read_TEC2_1 CCN_OPC_set_2 CCN_T_sample_2 CCN_T_sample_1 CCN_T_read_TEC3_1 CCN_T_read_TEC3_2 CCN_T_set_TEC1_2 CCN_T_set_TEC1_1 size_bin CCN_alarm_code CCN_Q_sample_1 CCN_temp_unstable_flag_1 CCN_alarm_code_1 CCN_alarm_code_2 CCN_baseline_monitor_1 CCN_temp_unstable_1 CCN_temp_unstable_2 CCN_Q_sample_2 CCN_temp_unstable_flag_2 Cloud droplet concentration number from summation of condensation nuclei counter size bins(N_CCN_1) CCN_overflow_1 CCN_T_inlet_set_2 CCN_overflow_2 CCN_baseline_monitor_2 CCN_T_inlet_set_1 AOS number concentration of CCN, second column(N_CCN_2) CCN_T_inlet_1 CCN_T_inlet_2 CCN_nafion_set_2 N_CCN_bin_number_2 CCN_T_nafion_set_2 CCN_T_nafion_set_1 N_CCN_bin_number_1 AOS CCN droplet count by bin size, second column(N_CCN_dN_2) CCN_proportional_valve_voltage_1 AOS CCN droplet count by bin size, first column(N_CCN_dN_1) CCN_proportional_valve_voltage_2 CCN_nafion_set_1 CCN_temperature_gradient_1 CCN_temperature_gradient_2

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DQRID : D161116.5

Start Date	Start Time	End Date	End Time	Data Quality Metric
09/16/2016	1500	11/16/2016	1700	Incorrect

Subject:	ASI/CCN/M1 - Instrument troubleshooting
DataStreams:	asiaosccn200M1.a1
Description:	Troubleshooting instrument flow issues. No valid data.
Measurements:	asiaosccn200M1.a1: CCN_laser_current_2 CCN_laser_current_1 size_bin_bounds CCN_T_nafion_1 CCN_supersaturation_set_point_2 CCN_first_stage_monitor_voltage_1 CCN_ss_set_1 CCN_ss_set_2 CCN_T_nafion_2 CCN_first_stage_monitor_voltage_2 CCN_supersaturation_set_point_1 CCN_Q_sheath_2 CCN_Q_sheath_1 CCN_T_set_TEC2_2 Size of upper limit of each CCN bin(CCN_upper_size_limit) CCN_T_set_TEC3_2 CCN_T_set_TEC3_1 CCN_T_OPC_2 CCN_T_OPC_1 CCN_P_sample_2 CCN_T_read_TEC2_2 CCN_P_sample_1 CCN_T_read_TEC1_2 CCN_T_read_TEC1_1 CCN_inlet_set_1 CCN_inlet_set_2 CCN_T_set_TEC2_1 CCN_OPC_set_1 CCN_T_read_TEC2_1 CCN_OPC_set_2 CCN_T_sample_2 CCN_T_sample_1 CCN_T_read_TEC3_1 CCN_T_read_TEC3_2 CCN_T_set_TEC1_2 CCN_T_set_TEC1_1 size_bin CCN_alarm_code CCN_Q_sample_1 CCN_temp_unstable_flag_1 CCN_alarm_code_1 CCN_baseline_monitor_1 CCN_alarm_code_2 CCN_temp_unstable_1 CCN_temp_unstable_2 CCN_Q_sample_2 CCN_temp_unstable_flag_2 Cloud droplet concentration number from summation of condensation nuclei counter size bins(N_CCN_1) CCN_overflow_1 CCN_T_inlet_set_2 CCN_overflow_2 CCN_baseline_monitor_2 CCN_T_inlet_set_1 AOS number concentration of CCN, second column(N_CCN_2) CCN_T_inlet_1 CCN_T_inlet_2 CCN_nafion_set_2 N_CCN_bin_number_2 CCN_T_nafion_set_2 CCN_T_nafion_set_1 N_CCN_bin_number_1 AOS CCN droplet count by bin size, second column(N_CCN_dN_2) CCN_proportional_valve_voltage_1 AOS CCN droplet count by bin size, first column(N_CCN_dN_1) CCN_proportional_valve_voltage_2 CCN_nafion_set_1 CCN_temperature_gradient_1 CCN_temperature_gradient_2

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DQRID : D161202.3

Start Date	Start Time	End Date	End Time	Data Quality Metric
11/30/2016	1600	11/30/2016	1910	Missing
12/01/2016	1400	12/01/2016	1815	Missing

Subject:	ASI/NEPHELOMETER/M1 - Instrument offline
DataStreams:	asiaosnephdryM1.b1
Description:	Instrument offline for hard drive backup. No data being recorded.
Measurements:	asiaosnephdryM1.b1: RH_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W_1) T_Neph_Inlet_Dry qc_Bbs_G_Dry_Neph3W P_Neph_Dry mode_flag lamp_voltage impactor_setting North latitude(lat) qc_Bs_R_Dry_Neph3W Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W) qc_P_Neph_Dry Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W_1) density_correction_factor Altitude above mean sea level(alt) qc_Bs_B_Dry_Neph3W Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W) qc_T_Neph_Inlet_Dry qc_Bbs_B_Dry_Neph3W time_offset time qc_Bs_G_Dry_Neph3W Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W_1) seconds_after_transition qc_RH_Neph_Dry T_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W) Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W) Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W_1) Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W_1) Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W) qc_Bbs_R_Dry_Neph3W lamp_current Impactor particle size cut(impactor_state) Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W_1) qc_impactor_state East longitude(lon) instrument_state base_time qc_T_Neph_Dry Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W)

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DQRID : D161202.8

Start Date	Start Time	End Date	End Time	Data Quality Metric
11/10/2016	2129	11/13/2016	1209	Incorrect
12/10/2016	0524	12/10/2016	1418	Incorrect
11/25/2016	1605	11/26/2016	0822	Incorrect
11/20/2016	1926	11/21/2016	1528	Incorrect
11/03/2016	1709	11/04/2016	1206	Incorrect
10/26/2016	1131	10/26/2016	1750	Incorrect
12/14/2016	0617	12/14/2016	1147	Incorrect

Subject:	ASI/CPC/M1 - Counts periodically drifting to zero
DataStreams:	asiaoscpcfM1.b1
Description:	The CPC counts are periodically drifting to zero. The drift from concentrations comparable to the CPCU is somewhat abrupt, but not instantaneous. Placing a small pressure drop on the inlet (e.g. by measuring the flow rate) causes the counts to return to normal. The root cause of the problem has not yet been identified. More drifts to zero are possible in the future.
Measurements:	asiaoscpcfM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration)

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DQRID : D161206.3

Start Date	Start Time	End Date	End Time	Data Quality Metric
11/21/2016	1740	11/21/2016	1818	Incorrect

Subject:	ASI/CPC/M1 - Saturator wick changed out
DataStreams:	asiaoscpcfM1.b1
Description:	The saturator wick was changed out at this time.
Measurements:	asiaoscpcfM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration)

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DQRID : D161209.7

Start Date	Start Time	End Date	End Time	Data Quality Metric
12/03/2016	1130	12/04/2016	1700	Missing

Subject:	ASI/SONDE/S1 - Missing launches
DataStreams:	asisondewnpnS1.b1
Description:	Launches were not completed due to malfunction of GC25 equipment.
Measurements:	asisondewnpnS1.b1: North latitude(lat) qc_deg qc_tdry base_time time_offset qc_dp wstat time Dewpoint Temperature(dp) Altitude above mean sea level(alt) qc_pres Wind speed, W-to-E component, at altitude, 915 MHz RWP(u_wind) Wind speed, S-to-N component, at altitude, derived from ETA model(v_wind) qc_rh Humidity, relative, at 21-m height, 30-min avg(rh) qc_u_wind qc_asc Dry bulb temperature(tdry) qc_v_wind asc East longitude(lon) qc_wspd qc_time Wind speed, surface, 1-min avg(wspd) Wind Direction(deg) Pressure, atmospheric, constant value of model level, RUC model output(pres)

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DQRID : D161216.9

Start Date	Start Time	End Date	End Time	Data Quality Metric
12/15/2016	1455	12/15/2016	1706	Incorrect

Subject:	ASI/CPC/M1 - Debris found in inner nozzle
DataStreams:	asiaoscpcfM1.b1
Description:	During this time, the CPCF was taken offline to clean the inner nozzle. Debris was found in the inner nozzle. During this time period, the CPC was either sampling cabin air or no data is available.
Measurements:	asiaoscpcfM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration)

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DQRID : D170109.18

Start Date	Start Time	End Date	End Time	Data Quality Metric
02/02/2017	1731	02/02/2017	1732	Incorrect
08/01/2016	0825	08/01/2016	0826	Incorrect
09/24/2016	0829	09/24/2016	0830	Incorrect
08/08/2016	1132	08/08/2016	1132	Incorrect
08/05/2016	0814	08/05/2016	0815	Incorrect
02/09/2017	0530	02/09/2017	0531	Incorrect
09/02/2016	0526	09/02/2016	0527	Incorrect
10/30/2016	1131	10/30/2016	1132	Incorrect
09/02/2016	1429	09/02/2016	1430	Incorrect
09/27/2016	1133	09/27/2016	1134	Incorrect
09/29/2016	1132	09/29/2016	1133	Incorrect
08/28/2016	0829	08/28/2016	0830	Incorrect
07/22/2016	0525	07/22/2016	0526	Incorrect
08/29/2016	0822	08/29/2016	0823	Incorrect
09/17/2016	1429	09/17/2016	1430	Incorrect
08/24/2016	1426	08/24/2016	1426	Incorrect
08/21/2016	1125	08/21/2016	1126	Incorrect
08/07/2016	1128	08/07/2016	1129	Incorrect
09/22/2016	1435	09/22/2016	1436	Incorrect
06/24/2016	0517	06/24/2016	0518	Incorrect
10/14/2016	0526	10/14/2016	0527	Incorrect
11/11/2016	0525	11/11/2016	0526	Incorrect
01/16/2017	0531	01/16/2017	0531	Incorrect
11/25/2016	0527	11/25/2016	0528	Incorrect
09/23/2016	1426	09/23/2016	1427	Incorrect
09/12/2016	1429	09/12/2016	1430	Incorrect
08/23/2016	1426	08/23/2016	1427	Incorrect
01/13/2017	0529	01/13/2017	0530	Incorrect
09/09/2016	1501	09/09/2016	1502	Incorrect
06/25/2016	0524	06/25/2016	0525	Incorrect
01/30/2017	0529	01/30/2017	0530	Incorrect
08/16/2016	1129	08/16/2016	1130	Incorrect
06/22/2016	0514	06/22/2016	0515	Incorrect
09/10/2016	0828	09/10/2016	0829	Incorrect
10/23/2016	1125	10/23/2016	1126	Incorrect
09/20/2016	1512	09/20/2016	1513	Incorrect
08/27/2016	1723	08/27/2016	1723	Incorrect
08/05/2016	0525	08/05/2016	0526	Incorrect
09/21/2016	1505	09/21/2016	1505	Incorrect
08/26/2016	0526	08/26/2016	0527	Incorrect
08/20/2016	1430	08/20/2016	1430	Incorrect
11/13/2016	1144	11/13/2016	1145	Incorrect
11/29/2016	0607	11/29/2016	0608	Incorrect
02/14/2017	0532	02/14/2017	0533	Incorrect
09/06/2016	1428	09/06/2016	1429	Incorrect
08/23/2016	0527	08/23/2016	0528	Incorrect
08/08/2016	1422	08/08/2016	1423	Incorrect
08/17/2016	0828	08/17/2016	0829	Incorrect
11/06/2016	1130	11/06/2016	1131	Incorrect
07/08/2016	0522	07/08/2016	0523	Incorrect
08/19/2016	0826	08/19/2016	0827	Incorrect
02/03/2017	0528	02/03/2017	0529	Incorrect
09/01/2016	1426	09/01/2016	1427	Incorrect
08/26/2016	1427	08/26/2016	1428	Incorrect
08/20/2016	1127	08/20/2016	1128	Incorrect
08/02/2016	1130	08/02/2016	1131	Incorrect
06/17/2016	0523	06/17/2016	0524	Incorrect
06/18/2016	0527	06/18/2016	0528	Incorrect
08/29/2016	0523	08/29/2016	0524	Incorrect
01/23/2017	0526	01/23/2017	0527	Incorrect
09/05/2016	1431	09/05/2016	1432	Incorrect
10/28/2016	0525	10/28/2016	0526	Incorrect
10/09/2016	1132	10/09/2016	1133	Incorrect
09/18/2016	0830	09/18/2016	0831	Incorrect
12/12/2016	0528	12/12/2016	0529	Incorrect
08/22/2016	1425	08/22/2016	1426	Incorrect
08/13/2016	1725	08/13/2016	1726	Incorrect
09/03/2016	1433	09/03/2016	1434	Incorrect
08/03/2016	0820	08/03/2016	0821	Incorrect
09/15/2016	1131	09/15/2016	1132	Incorrect
06/27/2016	0526	06/27/2016	0527	Incorrect
06/20/2016	0520	06/20/2016	0521	Incorrect
11/27/2016	1121	11/27/2016	1122	Incorrect
08/12/2016	1417	08/12/2016	1418	Incorrect
08/06/2016	1449	08/06/2016	1450	Incorrect
09/28/2016	1124	09/28/2016	1125	Incorrect
09/19/2016	1427	09/19/2016	1428	Incorrect
06/16/2016	0603	06/16/2016	0604	Incorrect
08/30/2016	1423	08/30/2016	1423	Incorrect

Subject:	ASI/SONDE/S1 - Suspect values at start of launch
DataStreams:	asisondewnpnS1.b1
Description:	Relative humidity measurements and dew point values are suspect at the beginning of each flight listed. RH drops to zero/near zero for unspecified reasons
Measurements:	asisondewnpnS1.b1: Dewpoint Temperature(dp) Humidity, relative, at 21-m height, 30-min avg(rh)

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DQRID : D170112.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
12/20/2016	1900	12/23/2016	1200	Does not affect quality

Subject:	ASI/NEPHELOMETER/M1 - Less efficient sample drying
DataStreams:	asiaosnephdryM1.b1
Description:	Humidigraph not getting the nominal amount of dry air. Sample unaffected and just the initial drying is less effective. All actual RH readings are properly recorded in the data.
Measurements:	asiaosnephdryM1.b1: RH_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W_1) T_Neph_Inlet_Dry qc_Bbs_G_Dry_Neph3W P_Neph_Dry mode_flag lamp_voltage impactor_setting North latitude(lat) qc_Bs_R_Dry_Neph3W Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W) qc_P_Neph_Dry Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W_1) density_correction_factor Altitude above mean sea level(alt) qc_Bs_B_Dry_Neph3W Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W) qc_T_Neph_Inlet_Dry qc_Bbs_B_Dry_Neph3W time_offset time qc_Bs_G_Dry_Neph3W Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W_1) seconds_after_transition qc_RH_Neph_Dry T_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W) Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W) Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W_1) Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W_1) Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W) qc_Bbs_R_Dry_Neph3W lamp_current Impactor particle size cut(impactor_state) Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W_1) qc_impactor_state East longitude(lon) instrument_state base_time qc_T_Neph_Dry Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W)

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DQRID : D170202.12

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/24/2017	1335	01/24/2017	1644	Missing

Subject:	ASI/CPC/SMPS/M1 - ACSM Calibration
DataStreams:	asiaoscpcfM1.b1
Description:	The SMPS and CPCU were used to calibrate the ACSM during this time
Measurements:	asiaoscpcfM1.b1: condensation_temp dilution_intercept laser_current dilution_flow_reading liquid_level time dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) time_offset saturation_temp dilution_slope ambient_pressure dilution_correction_factor optics_temp cabinet_temp qc_concentration base_time orifice_pressure Altitude above mean sea level(alt) fraction_full aerosol_flow_calibrated nozzle_pressure North latitude(lat) East longitude(lon)

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DQRID : D170202.13

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/25/2017	1020	01/25/2017	1022	Incorrect

Subject:	ASI/CPC/M1 - Gillibrator Flow Rate Test
DataStreams:	asiaoscpcfM1.b1
Description:	Gillibrator was measuring the flow rate. CPCF not sampling from the atmosphere.
Measurements:	asiaoscpcfM1.b1: condensation_temp dilution_intercept dilution_flow_reading laser_current liquid_level dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) saturation_temp dilution_slope ambient_pressure dilution_correction_factor cabinet_temp optics_temp orifice_pressure fraction_full aerosol_flow_calibrated nozzle_pressure

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DQRID : D170202.20

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/27/2017	1031	01/27/2017	1107	Suspect

Subject:	ASI/CPC/M1 - CPCF/SMPS comparison
DataStreams:	asiaoscpcfM1.b1
Description:	The CPCF was moved from its normal place to co-sample with the SMPS for a test on the inter-comparability of the two instruments during this time. Concentrations do not seem to deviate in this sampling configuration
Measurements:	asiaoscpcfM1.b1: condensation_temp dilution_intercept dilution_flow_reading laser_current liquid_level dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) saturation_temp dilution_slope ambient_pressure dilution_correction_factor cabinet_temp optics_temp orifice_pressure fraction_full aerosol_flow_calibrated nozzle_pressure

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DQRID : D170202.5

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/21/2017	1019	01/21/2017	1023	Incorrect

Subject:	ASI/CPC/M1 - Adding quick connect to vacuum line
DataStreams:	asiaoscpcfM1.b1
Description:	Probable pressure fluctuations during this time
Measurements:	asiaoscpcfM1.b1: condensation_temp dilution_intercept laser_current dilution_flow_reading liquid_level time dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) time_offset saturation_temp dilution_slope ambient_pressure dilution_correction_factor optics_temp cabinet_temp qc_concentration base_time orifice_pressure Altitude above mean sea level(alt) fraction_full aerosol_flow_calibrated North latitude(lat) nozzle_pressure East longitude(lon)

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DQRID : D170202.7

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/21/2017	1029	01/21/2017	1030	Incorrect
01/25/2017	1015	01/25/2017	1018	Incorrect

Subject:	ASI/CPC/UHSAS/M1 - HEPA filter testing
DataStreams:	asiaoscpcfM1.b1, asiaosuhsasM1.a1
Description:	HEPA filter on the inlet to all three instruments during this time for zero checks. All instruments went to zero counts
Measurements:	asiaosuhsasM1.a1: flow Temperature at the ground station(temperature) unit_temperature scattering_voltage Particle size distribution, limited by lower_size_limit and upper_size_limit(size_distribution) auxiliary differential_voltage purge_flow sampling_volume current sample_pressure reference lower_size_limit sheath_flow bin_num upper_size_limit asiaoscpcfM1.b1: condensation_temp dilution_flow_reading laser_current dilution_slope cabinet_temp optics_temp orifice_pressure fraction_full nozzle_pressure dilution_intercept liquid_level dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) saturation_temp ambient_pressure dilution_correction_factor aerosol_flow_calibrated

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DQRID : D170202.8

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/21/2017	1035	01/21/2017	1048	Missing

Subject:	ASI/CPC/M1 - Cleaning & Calibration
DataStreams:	asiaoscpcfM1.b1
Description:	CPC was cleaned and evaluated during this time
Measurements:	asiaoscpcfM1.b1: condensation_temp dilution_intercept laser_current dilution_flow_reading liquid_level time dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) time_offset saturation_temp dilution_slope ambient_pressure dilution_correction_factor optics_temp cabinet_temp qc_concentration base_time orifice_pressure Altitude above mean sea level(alt) fraction_full aerosol_flow_calibrated North latitude(lat) nozzle_pressure East longitude(lon)

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DQRID : D170203.7

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/19/2017	1000	01/27/2017	1900	Suspect

Subject:	ASI/AOS/M1 - Mentor visit
DataStreams:	asiaosccn200M1.a1, asiaosimpactorM1.b1, asiaosnephdryM1.b1, asiaosuhsasM1.a1
Description:	Mentors at the site working on different instruments. Data quality occasionally affected.
Measurements:	asiaosccn200M1.a1: CCN_laser_current_2 CCN_laser_current_1 CCN_supersaturation_set_point_2 CCN_first_stage_monitor_voltage_1 CCN_supersaturation_set_point_1 CCN_first_stage_monitor_voltage_2 CCN_Q_sheath_2 CCN_Q_sheath_1 CCN_T_set_TEC2_2 CCN_T_set_TEC3_2 CCN_T_set_TEC3_1 CCN_T_OPC_2 CCN_T_OPC_1 CCN_T_read_TEC1_2 CCN_T_read_TEC1_1 CCN_T_set_TEC2_1 CCN_OPC_set_1 CCN_OPC_set_2 CCN_T_sample_2 CCN_T_sample_1 CCN_T_read_TEC3_1 CCN_T_read_TEC3_2 CCN_T_set_TEC1_2 CCN_T_set_TEC1_1 size_bin CCN_temp_unstable_1 CCN_temp_unstable_2 CCN_T_inlet_1 CCN_T_inlet_2 N_CCN_bin_number_2 N_CCN_bin_number_1 CCN_proportional_valve_voltage_1 AOS CCN droplet count by bin size, second column(N_CCN_dN_2) CCN_proportional_valve_voltage_2 AOS CCN droplet count by bin size, first column(N_CCN_dN_1) size_bin_bounds CCN_T_nafion_1 CCN_T_nafion_2 CCN_T_read_TEC2_2 CCN_P_sample_2 CCN_P_sample_1 CCN_T_read_TEC2_1 CCN_Q_sample_1 CCN_alarm_code_1 CCN_baseline_monitor_1 CCN_alarm_code_2 CCN_Q_sample_2 Cloud droplet concentration number from summation of condensation nuclei counter size bins(N_CCN_1) CCN_overflow_1 CCN_overflow_2 CCN_T_inlet_set_2 CCN_baseline_monitor_2 CCN_T_inlet_set_1 AOS number concentration of CCN, second column(N_CCN_2) CCN_T_nafion_set_2 CCN_T_nafion_set_1 CCN_temperature_gradient_1 CCN_temperature_gradient_2 asiaosimpactorM1.b1: Impactor particle size cut(impactor_state) dP_10um_minus_1um P_1um_hourly_average P_10um_hourly_average impactor_inlet_RH P_Neph_Dry seconds_after_transition asiaosnephdryM1.b1: T_Neph_Inlet_Dry lamp_voltage Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W) T_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W) instrument_state P_Neph_Dry mode_flag Impactor particle size cut(impactor_state) Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W) density_correction_factor seconds_after_transition Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W) Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W) RH_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W) lamp_current asiaosuhsasM1.a1: scattering_voltage Temperature at the ground station(temperature) flow Particle size distribution, limited by lower_size_limit and upper_size_limit(size_distribution) sample_pressure lower_size_limit sheath_flow purge_flow current reference unit_temperature auxiliary differential_voltage sampling_volume bin_num upper_size_limit

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DQRID : D170208.3

Start Date	Start Time	End Date	End Time	Data Quality Metric
11/21/2016	2046	11/22/2016	1300	Incorrect

Subject:	ASI/OZONE/TRACEGAS/M1 - Trace gas inlet blower failure
DataStreams:	asiaosso2M1.b1, asiaoscoM1.b1
Description:	MAOS C Trace gas inlet had the blower die. Though there are numbers, they should be viewed as incorrect. It also affects the PTR-MS.
Measurements:	asiaosso2M1.b1: lamp_volt pressure_compensation_state automatic_gain_control so2_background_correction so2_flags seconds_after_calibration reaction_chamber_temp flow flash_lamp_state averaging_time valve_position_MFC_1 valve_position_MFC_2 purge_mode_state set_point_for_MFC_2 Sulfur dioxide (SO2) mixing ratio calculated with nominal sensitivity correction(so2) so2_coefficient Model surface pressure for the station(pressure) lamp_intensity range pmt_status set_point_for_MFC_1 gas_mode_state mass_flow_through_MFC_1 mass_flow_through_MFC_2 test_led lamp_setpoint temperature_compensation_state internal_temp pmt_volt asiaoscoM1.b1: Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(co_dry) Water vapor mixing ratio calculated with nominal sensitivity correction(h2o) gas_pressure Nitrous oxide (N2O) mixing ratio calculated with nominal sensitivity correction(n2o) Calculated CO concentration(co) mass_flow_through_MFC_2 set_point_for_MFC_2 set_point_for_MFC_1 valve_position_MFC_2 valve_position_MFC_1 ambient_temperature mass_flow_through_MFC_1 seconds_after_calibration Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(n2o_dry) gas_temperature

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DQRID : D170208.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
12/14/2016	0157	12/14/2016	0951	Missing

Subject:	ASI/OZONE/TRACEGAS/M1 - Instrument computer failure
DataStreams:	asiaosso2M1.b1, asiaoscoM1.b1
Description:	Unit three computer failed. No data recorded until computer rebuilt remotely.
Measurements:	asiaosso2M1.b1: time_offset time automatic_gain_control North latitude(lat) flash_lamp_state valve_position_MFC_1 purge_mode_state valve_position_MFC_2 East longitude(lon) Model surface pressure for the station(pressure) so2_coefficient qc_so2 temperature_compensation_state pmt_volt lamp_volt pressure_compensation_state seconds_after_calibration so2_flags so2_background_correction reaction_chamber_temp flow averaging_time set_point_for_MFC_2 lamp_intensity Sulfur dioxide (SO2) mixing ratio calculated with nominal sensitivity correction(so2) range pmt_status Altitude above mean sea level(alt) set_point_for_MFC_1 gas_mode_state mass_flow_through_MFC_1 mass_flow_through_MFC_2 internal_temp base_time lamp_setpoint test_led asiaoscoM1.b1: Altitude above mean sea level(alt) qc_n2o Water vapor mixing ratio calculated with nominal sensitivity correction(h2o) Calculated CO concentration(co) Nitrous oxide (N2O) mixing ratio calculated with nominal sensitivity correction(n2o) set_point_for_MFC_2 set_point_for_MFC_1 ambient_temperature mass_flow_through_MFC_1 time_offset Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(n2o_dry) qc_co qc_co_dry North latitude(lat) qc_h2o Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(co_dry) gas_pressure time qc_n2o_dry mass_flow_through_MFC_2 valve_position_MFC_2 valve_position_MFC_1 base_time seconds_after_calibration East longitude(lon) gas_temperature

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DQRID : D170210.5

Start Date	Start Time	End Date	End Time	Data Quality Metric
02/08/2017	2000	02/09/2017	2014	Incorrect

Subject:	ASI/CPC/M1 - Instrument Butanol fill not initializing, cpc ran dry
DataStreams:	asiaoscpcfM1.b1
Description:	Due to a problem with the ambient pressure sensor, the butanol fill cycle was deactivated. When the butanol did not turn on, eventually the CPC dried out and concentrations dropped.
Measurements:	asiaoscpcfM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration)

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DQRID : D170210.6

Start Date	Start Time	End Date	End Time	Data Quality Metric
02/08/2017	1744	02/08/2017	1751	Incorrect
02/08/2017	1408	02/08/2017	1450	Incorrect

Subject:	ASI/CPC/M1 - Instrument Data Missing
DataStreams:	asiaoscpcfM1.b1
Description:	Troubleshooting potential problems with the butanol fill solenoid valve and transistors.
Measurements:	asiaoscpcfM1.b1: condensation_temp dilution_intercept dilution_flow_reading laser_current liquid_level dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) saturation_temp dilution_slope ambient_pressure dilution_correction_factor cabinet_temp optics_temp orifice_pressure fraction_full aerosol_flow_calibrated nozzle_pressure

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DQRID : D170213.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
02/13/2017	0350	02/13/2017	1538	Incorrect

Subject:	ASI/CPC/M1 - Debris Blocking CPC Optics Block
DataStreams:	asiaoscpcfM1.b1
Description:	During this period there was debris accumulated in the optics block that was affecting aerosol counts.
Measurements:	asiaoscpcfM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration)

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DQRID : D170214.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
02/14/2017	1529	02/14/2017	1604	Missing

Subject:	ASI/CPC/M1 - Instrument maintenance
DataStreams:	asiaoscpcfM1.b1
Description:	The CPCF was removed for examination of the saturator wick for discoloration.
Measurements:	asiaoscpcfM1.b1: condensation_temp dilution_intercept laser_current dilution_flow_reading liquid_level time dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) time_offset saturation_temp dilution_slope ambient_pressure dilution_correction_factor optics_temp cabinet_temp qc_concentration orifice_pressure fraction_full aerosol_flow_calibrated nozzle_pressure

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DQRID : D170223.2

Start Date	Start Time	End Date	End Time	Data Quality Metric
02/23/2017	1532	02/23/2017	1553	Incorrect

Subject:	ASI/NEPHELOMETER/M1 - Nephelometer bulb replaced
DataStreams:	asiaosnephdryM1.b1
Description:	Dry nephelometer bulb was replaced. No valid data from this short period.
Measurements:	asiaosnephdryM1.b1: RH_Neph_Dry seconds_after_transition T_Neph_Inlet_Dry T_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W) P_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W) mode_flag lamp_voltage Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W) lamp_current Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W) Impactor particle size cut(impactor_state) instrument_state density_correction_factor Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W) Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W)

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DQRID : D170406.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/05/2017	1500	04/06/2017	1230	Does not affect quality

Subject:	ASI/AETH/NEPHELOMETER/PSAP/M1 - Decreased impactor flow
DataStreams:	asiaosnephdryM1.b1
Description:	Impactor flow below nominal due to aethalometer failure. Impactor cut-point affected, nephelometer and PSAP data otherwise not affected.
Measurements:	asiaosnephdryM1.b1: RH_Neph_Dry seconds_after_transition T_Neph_Inlet_Dry T_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W) P_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W) mode_flag lamp_voltage Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W) lamp_current Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W) Impactor particle size cut(impactor_state) instrument_state density_correction_factor Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W) Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W)

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DQRID : D170410.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/01/2017	0625	04/01/2017	1149	Incorrect

Subject:	ASI/NEPHELOMETER/M1 - Lamp burned out
DataStreams:	asiaosnephdryM1.b1
Description:	Nephelometer lamp burned out. No valid data from this time period.
Measurements:	asiaosnephdryM1.b1: RH_Neph_Dry seconds_after_transition T_Neph_Inlet_Dry T_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH(Bbs_G_Dry_Neph3W) P_Neph_Dry Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH(Bbs_B_Dry_Neph3W) mode_flag lamp_voltage Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH(Bs_G_Dry_Neph3W) lamp_current Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH(Bbs_R_Dry_Neph3W) Impactor particle size cut(impactor_state) instrument_state density_correction_factor Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH(Bs_B_Dry_Neph3W) Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH(Bs_R_Dry_Neph3W)

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DQRID : D170421.5

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/17/2017	1510	04/17/2017	1602	Missing
04/14/2017	1559	04/14/2017	1759	Missing
04/14/2017	1359	04/14/2017	1416	Missing

Subject:	ASI/CPC/M1 - Troubleshooting and replacing failed thermistor
DataStreams:	asiaoscpcfM1.b1
Description:	The cpcu was taken offline for troubleshooting and replacing the failed thermistor.
Measurements:	asiaoscpcfM1.b1: condensation_temp dilution_intercept laser_current dilution_flow_reading liquid_level time dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) time_offset saturation_temp dilution_slope ambient_pressure dilution_correction_factor optics_temp cabinet_temp qc_concentration base_time orifice_pressure Altitude above mean sea level(alt) fraction_full aerosol_flow_calibrated North latitude(lat) nozzle_pressure East longitude(lon)

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DQRID : D170426.2

Start Date	Start Time	End Date	End Time	Data Quality Metric
02/24/2017	0403	02/24/2017	1528	Incorrect

Subject:	ASI/OZONE/TRACEGAS/M1 - Inlet blower replacement
DataStreams:	asiaosso2M1.b1, asiaoscoM1.b1
Description:	Bypass blower off (and replaced)
Measurements:	asiaosso2M1.b1: time_offset time automatic_gain_control North latitude(lat) flash_lamp_state valve_position_MFC_1 purge_mode_state valve_position_MFC_2 East longitude(lon) Model surface pressure for the station(pressure) so2_coefficient qc_so2 temperature_compensation_state pmt_volt lamp_volt pressure_compensation_state seconds_after_calibration so2_flags so2_background_correction reaction_chamber_temp flow averaging_time set_point_for_MFC_2 lamp_intensity Sulfur dioxide (SO2) mixing ratio calculated with nominal sensitivity correction(so2) range pmt_status Altitude above mean sea level(alt) set_point_for_MFC_1 gas_mode_state mass_flow_through_MFC_1 mass_flow_through_MFC_2 internal_temp base_time lamp_setpoint test_led asiaoscoM1.b1: Altitude above mean sea level(alt) qc_n2o Water vapor mixing ratio calculated with nominal sensitivity correction(h2o) Calculated CO concentration(co) Nitrous oxide (N2O) mixing ratio calculated with nominal sensitivity correction(n2o) set_point_for_MFC_2 set_point_for_MFC_1 ambient_temperature mass_flow_through_MFC_1 time_offset Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(n2o_dry) qc_co qc_co_dry North latitude(lat) qc_h2o Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction(co_dry) gas_pressure time qc_n2o_dry mass_flow_through_MFC_2 valve_position_MFC_2 valve_position_MFC_1 base_time seconds_after_calibration East longitude(lon) gas_temperature

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END OF DATA