DQRs for Session: 185915 User:pennypackers1Completed: 05-31-2017

Data Quality Reports for Session: 185915 User: pennypackers1 Completed: 05/31/2017

TABLE OF CONTENTS

DQR ID	Subject	Data Streams Affected	Data Quality Metric
D160621.4	ASI/AOS/M1 - Manifold blower not working	asiaoscpcfM1.b1, asiaossmpsM1.a1, asiaoscpcuM1.b1	Incorrect
D160708.7	ASI/SMPS/M1 - Different neutralizer used	asiaossmpsM1.a1	Does not affect quality
D160907.1	ASI/CPC/M1 - Collapsed internal tube	asiaoscpcuM1.b1	Incorrect
D160907.12	ASI/CPC/M1 - Instrument testing	asiaoscpcfM1.b1	Incorrect
D160907.13	ASI/CPC/M1 - Instrument maintence	asiaoscpcfM1.b1	Incorrect
D160907.14	ASI/SMPS/M1 - Instrument maintence	asiaossmpsM1.a1	Incorrect
D161003.1	ASI/SMPS/M1 - Small leak in the SMPS CPC	asiaossmpsM1.a1	Suspect
D161018.2	ASI/SMPS/M1/M1 - Instrument computer failure	asiaossmpsM1.a1	Missing
D161021.3	ASI/SMPS/M1 - Collection	asiaossmpsM1.a1	Does not affect quality
D161021.4	ASI/SMPS/M1 - Different number of particle size bins	asiaossmpsM1.a1	Does not affect quality
D161024.2	ASI/CPC/M1 - Collection	asiaoscpcfM1.b1, asiaoscpcuM1.b1	Does not affect quality
D161128.5	ASI/CPC/M1 - Saturator wick changed out	asiaoscpcuM1.b1	Incorrect
D161202.8	ASI/CPC/M1 - Counts periodically drifting to zero	asiaoscpcfM1.b1, asiaoscpcuM1.b1	Incorrect
D161206.3	ASI/CPC/M1 - Saturator wick changed out	asiaoscpcfM1.b1	Incorrect
D161216.9	ASI/CPC/M1 - Debris found in inner nozzle	asiaoscpcfM1.b1	Incorrect
D170105.10	ASI/SMPS/M1 - HEPA Filter Test	asiaossmpsM1.a1	Incorrect
D170202.10	ASI/CPC/SMPS/M1 - ACSM Calibration	asiaossmpsM1.a1, asiaoscpcuM1.b1	Missing
D170202.11	ASI/SMPS/M1 - Bad Dacron Screen	asiaossmpsM1.a1	Incorrect
D170202.12	ASI/CPC/SMPS/M1 - ACSM Calibration	asiaossmpsM1.a1, asiaoscpcfM1.b1, asiaoscpcuM1.b1	Missing
D170202.13	ASI/CPC/M1 - Gillibrator Flow Rate Test	asiaoscpcfM1.b1	Incorrect
D170202.14	ASI/SMPS/M1 - PSL Sizing Tests	asiaossmpsM1.a1	Incorrect
D170202.15	ASI/SMPS/M1 - CCN Calibration	asiaossmpsM1.a1	Missing
D170202.16	ASI/SMPS/M1 - Software Frozen	asiaossmpsM1.a1	Missing
D170202.17	ASI/SMPS/M1 - HEPA Challenge & Flow Rate	asiaossmpsM1.a1	Incorrect
D170202.18	ASI/CPC/M1 - CPCU removed for SMPS/CPCF comparison	asiaoscpcuM1.b1	Missing
D170202.19	ASI/SMPS/M1 - SMPS/CPCF comparison	asiaossmpsM1.a1	Incorrect
D170202.2	ASI/SMPS/M1 - Computer Reboot and Leak Testing	asiaossmpsM1.a1	Incorrect
D170202.20	ASI/CPC/M1 - CPCF/SMPS comparison	asiaoscpcfM1.b1	Suspect
D170202.21	ASI/CPC/M1 - Instrument Thermistor Problem	asiaoscpcuM1.b1	Incorrect
D170202.3	ASI/SMPS/M1 - HEPA Filter Tests	asiaossmpsM1.a1	Incorrect
D170202.4	ASI/SMPS/M1 - Missing Data	asiaossmpsM1.a1	Missing
D170202.5	ASI/CPC/M1 - Adding quick connect to vacuum line	asiaoscpcfM1.b1	Incorrect
D170202.6	ASI/CPC/M1 - Adding quick connect to vacuum line	asiaoscpcuM1.b1	Incorrect
D170202.7	ASI/CPC/UHSAS/M1 - HEPA filter testing	asiaoscpcfM1.b1, asiaoscpcuM1.b1	Incorrect
D170202.8	ASI/CPC/M1 - Cleaning & Calibration	asiaoscpcfM1.b1	Missing
D170202.9	ASI/CPC/M1 - Cleaning & Calibration Check	asiaoscpcuM1.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
D170420.4	ASI/SMPS/M1 - Software Freeze Up	asiaossmpsM1.a1	Missing
D170421.2	ASI/CPC/M1 - Condenser temperature fluctuating	asiaoscpcuM1.b1	Suspect
D170421.4	ASI/CPC/M1 - Temperature difference causing high particle number concentrations	asiaoscpcuM1.b1	Incorrect
D170421.5	ASI/CPC/M1 - Troubleshooting and replacing failed thermistor	asiaoscpcfM1.b1	Missing
D170421.6	ASI/CPC/M1 - Instrument	asiaoscpcfM1.b1, asiaoscpcuM1.b1	Incorrect
D170505.10	ASI/CPC/M1 - Startup Spike	asiaoscpcuM1.b1	Incorrect

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, asiaossmpsM1.a1, asiaoscpcuM1.b1
Description:	Manifold blower not working, instrument sample flows either zero or different than specified. Sampling through the stack not isokinetic.
Measurements:	asiaossmpsM1.a1: cpc_inlet_flow base_time DMA_outer_radius lower_size low_voltage diffusion_correction DMA_inner_radius time_offset down_scan_first reference_mean_free_path Total concentration(total_concentration) Sample temperature(sample_temperature) aerosol_flow geometric_mean_std mean North latitude(lat) East longitude(lon) multiple_charge_correction particle_density status_flag Altitude above mean sea level(alt) CPC_sample_flow mean_free_path Number size distribution (dN/dlogDp)(number_size_distribution) DMA_characteristic_length sheath_flow geometric_mean reference_gas_pressure gas_viscosity sample_pressure cpc_sample_flow median high_voltage d50 mode nanoparticle_agglomerate_mobility_analysis CPC_inlet_flow reference_gas_temperature reference_gas_viscosity time diameter_midpoint asiaoscpcuM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration) base_time time Altitude above mean sea level(alt) condensation_temp North latitude(lat) cabinet_temp liquid_level qc_concentration East longitude(lon) optics_temp nozzle_pressure aerosol_flow orifice_pressure saturation_temp laser_current ambient_pressure fraction_full time_offset asiaoscpcfM1.b1: dilution_flow_reading optics_temp base_time nozzle_pressure North latitude(lat) dilution_intercept liquid_level dilution_valve_position time_offset aerosol_flow_calibrated condensation_temp laser_current time dilution_slope cabinet_temp qc_concentration orifice_pressure fraction_full East longitude(lon) dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) saturation_temp ambient_pressure dilution_correction_factor Altitude above mean sea level(alt)

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DQRID : D160708.7

Start Date	Start Time	End Date	End Time	Data Quality Metric
05/19/2016	0000	07/06/2016	1535	Does not affect quality

Subject:	ASI/SMPS/M1 - Different neutralizer used
DataStreams:	asiaossmpsM1.a1
Description:	From the start of sampling up through 07/06/2016, a Po-210 neutralizer was used in lieu of the TSI standard Kr-85 neutralizer. The Kr-85 neutralizer has now been installed.
Measurements:	asiaossmpsM1.a1: Total concentration(total_concentration) Number size distribution (dN/dlogDp)(number_size_distribution)

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DQRID : D160907.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
09/01/2016	1345	09/01/2016	1422	Incorrect

Subject:	ASI/CPC/M1 - Collapsed internal tube
DataStreams:	asiaoscpcuM1.b1
Description:	During this time, operator and mentor were troubleshooting a collapsed internal tube on the 3776 CPC.
Measurements:	asiaoscpcuM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration)

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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 : D160907.14

Start Date	Start Time	End Date	End Time	Data Quality Metric
09/06/2016	1030	09/06/2016	1154	Incorrect
08/29/2016	1527	08/29/2016	1549	Incorrect
09/06/2016	1725	09/06/2016	1744	Incorrect
08/29/2016	1605	08/31/2016	1719	Incorrect
09/02/2016	1305	09/02/2016	1334	Incorrect
09/06/2016	1800	09/06/2016	1824	Incorrect
09/01/2016	1309	09/01/2016	1814	Incorrect
08/29/2016	1255	08/29/2016	1344	Incorrect

Subject:	ASI/SMPS/M1 - Instrument maintence
DataStreams:	asiaossmpsM1.a1
Description:	During these time periods, a HEPA filter was connected to different portions of the system for investigation of leaks.
Measurements:	asiaossmpsM1.a1: geometric_mean_std mode d50 mean geometric_mean Total concentration(total_concentration) median Number size distribution (dN/dlogDp)(number_size_distribution)

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DQRID : D161003.1

Start Date	Start Time	End Date	End Time	Data Quality Metric
08/29/2016	1345	08/29/2016	1526	Suspect
08/29/2016	1550	08/29/2016	1604	Suspect
09/03/2016	1230	09/03/2016	1304	Suspect
05/19/2016	0000	08/29/2016	1254	Suspect
09/02/2016	1335	09/02/2016	1419	Suspect

Subject:	ASI/SMPS/M1 - Small leak in the SMPS CPC
DataStreams:	asiaossmpsM1.a1
Description:	Periodic spikes were seen in data due to a small leak in the SMPS CPC. These spikes are identifiable and may be corrected in future data products.
Measurements:	asiaossmpsM1.a1: geometric_mean_std mode mean geometric_mean Total concentration(total_concentration) median Number size distribution (dN/dlogDp)(number_size_distribution)

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DQRID : D161018.2

Start Date	Start Time	End Date	End Time	Data Quality Metric
10/07/2016	2000	10/14/2016	1054	Missing

Subject:	ASI/SMPS/M1/M1 - Instrument computer failure
DataStreams:	asiaossmpsM1.a1
Description:	The computer running the SMPS failed. Some data was lost in the interim during the replacement of the computer and some data may be recoverable from the failed computer.
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow Altitude above mean sea level(alt) base_time lower_size DMA_outer_radius low_voltage CPC_sample_flow mean_free_path DMA_inner_radius diffusion_correction DMA_characteristic_length Number size distribution (dN/dlogDp)(number_size_distribution) time_offset down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 CPC_inlet_flow nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std time mean North latitude(lat) East longitude(lon) multiple_charge_correction diameter_midpoint particle_density

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DQRID : D161021.3

Start Date	Start Time	End Date	End Time	Data Quality Metric
09/06/2016	1030	09/06/2016	1809	Does not affect quality

Subject:	ASI/SMPS/M1 - Collection
DataStreams:	asiaossmpsM1.a1
Description:	The CPC associated with the CPCF measurement was sampling in place of the CPC associated with the SMPS measurement. They are both the same model number.
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow lower_size DMA_outer_radius low_voltage CPC_sample_flow mean_free_path DMA_inner_radius diffusion_correction Number size distribution (dN/dlogDp)(number_size_distribution) DMA_characteristic_length down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 CPC_inlet_flow nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std mean multiple_charge_correction diameter_midpoint particle_density

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DQRID : D161021.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
08/29/2016	1345	08/29/2016	1549	Does not affect quality

Subject:	ASI/SMPS/M1 - Different number of particle size bins
DataStreams:	asiaossmpsM1.a1
Description:	The data was exported in a different format. There will be a different number of particle size bins during this period.
Measurements:	asiaossmpsM1.a1: diameter_midpoint Number size distribution (dN/dlogDp)(number_size_distribution)

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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, asiaoscpcuM1.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:	asiaoscpcuM1.b1: cabinet_temp liquid_level Aerosol concentration averaged over times to match N_CCN(concentration) optics_temp nozzle_pressure condensation_temp aerosol_flow orifice_pressure saturation_temp laser_current ambient_pressure fraction_full 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 : D161128.5

Start Date	Start Time	End Date	End Time	Data Quality Metric
11/21/2016	1640	11/21/2016	1703	Incorrect

Subject:	ASI/CPC/M1 - Saturator wick changed out
DataStreams:	asiaoscpcuM1.b1
Description:	The saturator wick on the cpcu was changed out during this period.
Measurements:	asiaoscpcuM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration)

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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, asiaoscpcuM1.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:	asiaoscpcuM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration) 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 : 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 : D170105.10

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/04/2017	1435	01/04/2017	1449	Incorrect

Subject:	ASI/SMPS/M1 - HEPA Filter Test
DataStreams:	asiaossmpsM1.a1
Description:	SMPS was sampling through a HEPA filter
Measurements:	asiaossmpsM1.a1: geometric_mean_std mode mean geometric_mean Total concentration(total_concentration) median Number size distribution (dN/dlogDp)(number_size_distribution)

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DQRID : D170202.10

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/23/2017	0900	01/24/2017	1014	Missing

Subject:	ASI/CPC/SMPS/M1 - ACSM Calibration
DataStreams:	asiaossmpsM1.a1, asiaoscpcuM1.b1
Description:	The SMPS and CPCU were used to calibrate the ACSM during this time period
Measurements:	asiaossmpsM1.a1: cpc_inlet_flow base_time DMA_outer_radius lower_size low_voltage diffusion_correction DMA_inner_radius time_offset down_scan_first reference_mean_free_path Total concentration(total_concentration) Sample temperature(sample_temperature) aerosol_flow geometric_mean_std mean North latitude(lat) East longitude(lon) multiple_charge_correction particle_density status_flag Altitude above mean sea level(alt) mean_free_path Number size distribution (dN/dlogDp)(number_size_distribution) DMA_characteristic_length sheath_flow geometric_mean reference_gas_pressure gas_viscosity sample_pressure cpc_sample_flow median high_voltage d50 mode nanoparticle_agglomerate_mobility_analysis reference_gas_temperature reference_gas_viscosity time diameter_midpoint asiaoscpcuM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration) base_time time Altitude above mean sea level(alt) condensation_temp North latitude(lat) cabinet_temp liquid_level qc_concentration East longitude(lon) optics_temp nozzle_pressure aerosol_flow orifice_pressure saturation_temp laser_current ambient_pressure fraction_full time_offset

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DQRID : D170202.11

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/24/2017	1015	01/24/2017	1159	Incorrect

Subject:	ASI/SMPS/M1 - Bad Dacron Screen
DataStreams:	asiaossmpsM1.a1
Description:	The size distribution seemed unusual. Inspection of the DMA revealed a bad dacron screen.
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow Altitude above mean sea level(alt) base_time lower_size DMA_outer_radius low_voltage mean_free_path DMA_inner_radius diffusion_correction DMA_characteristic_length Number size distribution (dN/dlogDp)(number_size_distribution) time_offset down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std time mean North latitude(lat) East longitude(lon) multiple_charge_correction diameter_midpoint particle_density

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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:	asiaossmpsM1.a1, asiaoscpcfM1.b1, asiaoscpcuM1.b1
Description:	The SMPS and CPCU were used to calibrate the ACSM during this time
Measurements:	asiaossmpsM1.a1: cpc_inlet_flow base_time DMA_outer_radius lower_size low_voltage diffusion_correction DMA_inner_radius time_offset down_scan_first reference_mean_free_path Total concentration(total_concentration) Sample temperature(sample_temperature) aerosol_flow geometric_mean_std mean North latitude(lat) East longitude(lon) multiple_charge_correction particle_density status_flag Altitude above mean sea level(alt) mean_free_path Number size distribution (dN/dlogDp)(number_size_distribution) DMA_characteristic_length sheath_flow geometric_mean reference_gas_pressure gas_viscosity sample_pressure cpc_sample_flow median high_voltage d50 mode nanoparticle_agglomerate_mobility_analysis reference_gas_temperature reference_gas_viscosity time diameter_midpoint asiaoscpcuM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration) base_time time Altitude above mean sea level(alt) condensation_temp North latitude(lat) cabinet_temp liquid_level qc_concentration East longitude(lon) optics_temp nozzle_pressure aerosol_flow orifice_pressure saturation_temp laser_current ambient_pressure fraction_full time_offset asiaoscpcfM1.b1: dilution_flow_reading optics_temp base_time nozzle_pressure North latitude(lat) dilution_intercept liquid_level dilution_valve_position time_offset aerosol_flow_calibrated condensation_temp laser_current time dilution_slope cabinet_temp qc_concentration orifice_pressure fraction_full East longitude(lon) dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) saturation_temp ambient_pressure dilution_correction_factor Altitude above mean sea level(alt)

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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 : D170202.14

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/25/2017	1025	01/25/2017	1109	Incorrect

Subject:	ASI/SMPS/M1 - PSL Sizing Tests
DataStreams:	asiaossmpsM1.a1
Description:	The SMPS was used to size challenge PSL aerosol during this time.
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow lower_size DMA_outer_radius low_voltage mean_free_path DMA_inner_radius diffusion_correction Number size distribution (dN/dlogDp)(number_size_distribution) DMA_characteristic_length down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std mean multiple_charge_correction diameter_midpoint particle_density

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DQRID : D170202.15

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/26/2017	1115	01/26/2017	1554	Missing
01/25/2017	1420	01/25/2017	1539	Missing

Subject:	ASI/SMPS/M1 - CCN Calibration
DataStreams:	asiaossmpsM1.a1
Description:	The SMPS was used to calibrate the CCN spectrometer during this time.
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow base_time lower_size DMA_outer_radius low_voltage mean_free_path DMA_inner_radius diffusion_correction Number size distribution (dN/dlogDp)(number_size_distribution) DMA_characteristic_length time_offset down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std time mean multiple_charge_correction diameter_midpoint particle_density

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DQRID : D170202.16

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/26/2017	0905	01/26/2017	0949	Missing

Subject:	ASI/SMPS/M1 - Software Frozen
DataStreams:	asiaossmpsM1.a1
Description:	The SMPS AIM software experienced a software freeze-up during this time. Unsure of the root cause.
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow Altitude above mean sea level(alt) base_time lower_size DMA_outer_radius low_voltage DMA_inner_radius mean_free_path diffusion_correction DMA_characteristic_length Number size distribution (dN/dlogDp)(number_size_distribution) time_offset down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std time mean North latitude(lat) East longitude(lon) multiple_charge_correction diameter_midpoint particle_density

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DQRID : D170202.17

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/26/2017	1555	01/26/2017	1604	Incorrect

Subject:	ASI/SMPS/M1 - HEPA Challenge & Flow Rate
DataStreams:	asiaossmpsM1.a1
Description:	During this time HEPA filter scans and flow rate measurements were taken. The data is not representative of the ambient aerosol size distribution.
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow lower_size DMA_outer_radius low_voltage DMA_inner_radius mean_free_path diffusion_correction Number size distribution (dN/dlogDp)(number_size_distribution) DMA_characteristic_length down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std mean multiple_charge_correction diameter_midpoint particle_density

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DQRID : D170202.18

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/27/2017	0950	01/27/2017	1005	Missing

Subject:	ASI/CPC/M1 - CPCU removed for SMPS/CPCF comparison
DataStreams:	asiaoscpcuM1.b1
Description:	CPCU removed so SMPS and CPC could take place and be compared side by side with CPCF instrument.
Measurements:	asiaoscpcuM1.b1: cabinet_temp aerosol_flow liquid_level orifice_pressure saturation_temp qc_concentration Aerosol concentration averaged over times to match N_CCN(concentration) East longitude(lon) base_time optics_temp North latitude(lat) laser_current time nozzle_pressure Altitude above mean sea level(alt) ambient_pressure condensation_temp fraction_full time_offset

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DQRID : D170202.19

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/27/2017	1055	01/27/2017	1104	Incorrect
01/27/2017	0950	01/27/2017	1029	Incorrect

Subject:	ASI/SMPS/M1 - SMPS/CPCF comparison
DataStreams:	asiaossmpsM1.a1
Description:	The SMPS was taken from normal sampling configuration to be compared side-by-side with the CPCF during this period.
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow lower_size DMA_outer_radius low_voltage mean_free_path DMA_inner_radius diffusion_correction Number size distribution (dN/dlogDp)(number_size_distribution) DMA_characteristic_length down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std mean multiple_charge_correction diameter_midpoint particle_density

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DQRID : D170202.2

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/20/2017	0950	01/20/2017	1154	Incorrect

Subject:	ASI/SMPS/M1 - Computer Reboot and Leak Testing
DataStreams:	asiaossmpsM1.a1
Description:	Leak testing taking place. SMPS was not sampling ambient aerosol.
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow Altitude above mean sea level(alt) base_time lower_size DMA_outer_radius low_voltage mean_free_path DMA_inner_radius diffusion_correction DMA_characteristic_length Number size distribution (dN/dlogDp)(number_size_distribution) time_offset down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std time mean North latitude(lat) East longitude(lon) multiple_charge_correction diameter_midpoint particle_density

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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 : D170202.21

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/28/2017	0656	02/01/2017	1159	Incorrect

Subject:	ASI/CPC/M1 - Instrument Thermistor Problem
DataStreams:	asiaoscpcuM1.b1
Description:	The thermistor on the CPCU 3776 malfunctioned during this time. Particle concentrations went very high, likely due to homogeneous nucleation of butanol vapor. The thermistor was changed and verified to be correct with a thermocouple.
Measurements:	asiaoscpcuM1.b1: cabinet_temp laser_current aerosol_flow liquid_level orifice_pressure nozzle_pressure saturation_temp Aerosol concentration averaged over times to match N_CCN(concentration) ambient_pressure condensation_temp optics_temp fraction_full

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DQRID : D170202.3

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/20/2017	1430	01/20/2017	1719	Incorrect

Subject:	ASI/SMPS/M1 - HEPA Filter Tests
DataStreams:	asiaossmpsM1.a1
Description:	HEPA filter on the inlet
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow Altitude above mean sea level(alt) base_time lower_size DMA_outer_radius low_voltage mean_free_path DMA_inner_radius diffusion_correction DMA_characteristic_length Number size distribution (dN/dlogDp)(number_size_distribution) time_offset down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std time mean North latitude(lat) East longitude(lon) multiple_charge_correction diameter_midpoint particle_density

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DQRID : D170202.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/21/2017	0905	01/21/2017	0939	Missing

Subject:	ASI/SMPS/M1 - Missing Data
DataStreams:	asiaossmpsM1.a1
Description:	Instrument evaluation, no data during this time
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow Altitude above mean sea level(alt) base_time lower_size DMA_outer_radius low_voltage mean_free_path DMA_inner_radius diffusion_correction DMA_characteristic_length Number size distribution (dN/dlogDp)(number_size_distribution) time_offset down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std time mean North latitude(lat) East longitude(lon) multiple_charge_correction diameter_midpoint particle_density

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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 : D170202.6

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:	asiaoscpcuM1.b1
Description:	Probable loss in vacuum line pressure during this time
Measurements:	asiaoscpcuM1.b1: cabinet_temp aerosol_flow liquid_level orifice_pressure saturation_temp qc_concentration Aerosol concentration averaged over times to match N_CCN(concentration) East longitude(lon) base_time optics_temp North latitude(lat) laser_current time nozzle_pressure Altitude above mean sea level(alt) ambient_pressure condensation_temp fraction_full time_offset

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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, asiaoscpcuM1.b1
Description:	HEPA filter on the inlet to all three instruments during this time for zero checks. All instruments went to zero counts
Measurements:	asiaoscpcuM1.b1: cabinet_temp liquid_level Aerosol concentration averaged over times to match N_CCN(concentration) optics_temp nozzle_pressure condensation_temp aerosol_flow orifice_pressure saturation_temp laser_current ambient_pressure fraction_full 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 : D170202.9

Start Date	Start Time	End Date	End Time	Data Quality Metric
01/21/2017	1417	01/21/2017	1505	Missing

Subject:	ASI/CPC/M1 - Cleaning & Calibration Check
DataStreams:	asiaoscpcuM1.b1
Description:	CPCU removed for cleaning and calibration check during this time.
Measurements:	asiaoscpcuM1.b1: cabinet_temp aerosol_flow liquid_level orifice_pressure saturation_temp qc_concentration Aerosol concentration averaged over times to match N_CCN(concentration) East longitude(lon) base_time optics_temp North latitude(lat) laser_current time nozzle_pressure Altitude above mean sea level(alt) ambient_pressure condensation_temp fraction_full time_offset

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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 : D170420.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
03/15/2017	1130	03/16/2017	1129	Missing

Subject:	ASI/SMPS/M1 - Software Freeze Up
DataStreams:	asiaossmpsM1.a1
Description:	Software froze and stopped collecting data. It was restarted by site operations
Measurements:	asiaossmpsM1.a1: status_flag cpc_inlet_flow Altitude above mean sea level(alt) base_time lower_size DMA_outer_radius low_voltage DMA_inner_radius mean_free_path diffusion_correction DMA_characteristic_length Number size distribution (dN/dlogDp)(number_size_distribution) time_offset down_scan_first sheath_flow geometric_mean reference_gas_pressure gas_viscosity reference_mean_free_path sample_pressure Total concentration(total_concentration) cpc_sample_flow median high_voltage mode d50 nanoparticle_agglomerate_mobility_analysis Sample temperature(sample_temperature) aerosol_flow reference_gas_temperature reference_gas_viscosity geometric_mean_std time mean North latitude(lat) East longitude(lon) multiple_charge_correction diameter_midpoint particle_density

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DQRID : D170421.2

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/11/2017	1000	04/13/2017	2045	Suspect

Subject:	ASI/CPC/M1 - Condenser temperature fluctuating
DataStreams:	asiaoscpcuM1.b1
Description:	During this time, the condenser temperature was still around the nominal value but was fluctuating causing some brief spikes in number concentrations. The thermistor in the condenser temperature feedback control loop eventually failed.
Measurements:	asiaoscpcuM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration) condensation_temp

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DQRID : D170421.4

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/13/2017	2046	04/14/2017	1558	Incorrect
04/15/2017	1659	04/17/2017	1602	Incorrect

Subject:	ASI/CPC/M1 - Temperature difference causing high particle number concentrations
DataStreams:	asiaoscpcuM1.b1
Description:	The thermistor that maintains the setpoint condenser temperature malfunctioned giving erroneous readings. The condenser was colder than the readout. The increased temperature difference between the condenser and the saturator caused homogeneous nucleation of butanol vapor, evidenced by very high particle number concentrations.
Measurements:	asiaoscpcuM1.b1: Aerosol concentration averaged over times to match N_CCN(concentration) condensation_temp

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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 : D170421.6

Start Date	Start Time	End Date	End Time	Data Quality Metric
04/13/2017	0000	04/17/2017	0000	Incorrect

Subject:	ASI/CPC/M1 - Instrument
DataStreams:	asiaoscpcfM1.b1, asiaoscpcuM1.b1
Description:	REQUIRED
Measurements:	asiaoscpcuM1.b1: cabinet_temp liquid_level qc_concentration Aerosol concentration averaged over times to match N_CCN(concentration) East longitude(lon) base_time optics_temp time nozzle_pressure Altitude above mean sea level(alt) condensation_temp aerosol_flow orifice_pressure saturation_temp North latitude(lat) laser_current ambient_pressure fraction_full time_offset asiaoscpcfM1.b1: condensation_temp dilution_flow_reading laser_current time dilution_slope cabinet_temp optics_temp qc_concentration base_time orifice_pressure fraction_full North latitude(lat) nozzle_pressure East longitude(lon) dilution_intercept liquid_level dilution_valve_position dilution_flow_setpoint Aerosol concentration averaged over times to match N_CCN(concentration) time_offset saturation_temp ambient_pressure dilution_correction_factor Altitude above mean sea level(alt) aerosol_flow_calibrated

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DQRID : D170505.10

Start Date	Start Time	End Date	End Time	Data Quality Metric
05/03/2017	1057	05/03/2017	1057	Incorrect

Subject:	ASI/CPC/M1 - Startup Spike
DataStreams:	asiaoscpcuM1.b1
Description:	The CPC was turned off and when it restarted there was a spike in the data when the condenser temperature was lowering to the set point.
Measurements:	asiaoscpcuM1.b1: cabinet_temp laser_current aerosol_flow liquid_level orifice_pressure nozzle_pressure saturation_temp Aerosol concentration averaged over times to match N_CCN(concentration) ambient_pressure condensation_temp optics_temp fraction_full

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END OF DATA