Data Quality Report for Order ID: 187083
User ID: schenkelsm1    Date completed: 2017-08-07
All DQRs
DQR ID Subject Affected Data Streams Data Quality Metric
D161024.2 ASI/CPC/M1 - Collection asiaoscpcuM1.b1 Note
D160907.14 ASI/SMPS/M1 - Instrument maintence asiaossmpsM1.a1 Incorrect
D160907.13 ASI/CPC/M1 - Instrument maintence asiaoscpcfM1.b1 Incorrect
D160907.12 ASI/CPC/M1 - Instrument testing asiaoscpcfM1.a1 Incorrect
D161116.5 ASI/CCN/M1 - Instrument troubleshooting asiaosccn2colaM1.b1 Incorrect
D161003.1 ASI/SMPS/M1 - Small leak in the SMPS CPC asiaossmpsM1.a1 Suspect
D161021.3 ASI/SMPS/M1 - Collection asiaossmpstrhM1.a1 Note
 
DQR ID: D161024.2    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-09-06 10:30:00 2016-09-06 18:15:00 Note
Subject: ASI/CPC/M1 - Collection
Affected Datastreams: 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
  • optics_temp (Optics temperature)
  • aerosol_flow_calibrated (Calibrated aerosol flow as supplied by mentor)
  • laser_current (Laser current)
  • liquid_level (Liquid level)
  • aerosol_flow (Aerosol flow rate set point)
  • condensation_temp (Condensation temperature)
  • dilution_valve_position (Dilution flow valve position)
  • dilution_intercept (Dilution intercept)
  • saturation_temp (Saturation temperature)
  • dilution_flow_reading (Flow read)
  • dilution_flow_setpoint (Flow setpoint)
  • concentration (Particle concentration)
  • dilution_correction_factor (Dilution correction factor)
  • dilution_slope (Dilution slope)
  • fraction_full (Liquid fraction available)
  • cabinet_temp (Cabinet temperature)
  • laser_current (OPC laser current)
  • ambient_pressure (Ambient pressure)
  • nozzle_pressure (Nozzle pressure)
  • orifice_pressure (Orifice pressure)
 
DQR ID: D160907.14    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-09-01 13:09:00 2016-09-01 18:14:59 Incorrect
2016-09-06 17:25:00 2016-09-06 17:44:59 Incorrect
2016-09-06 18:00:00 2016-09-06 18:24:59 Incorrect
2016-08-29 16:05:00 2016-08-31 17:19:59 Incorrect
2016-08-29 15:27:00 2016-08-29 15:49:59 Incorrect
2016-08-29 12:55:00 2016-08-29 13:44:59 Incorrect
2016-09-06 10:30:00 2016-09-06 11:54:59 Incorrect
2016-09-02 13:05:00 2016-09-02 13:34:59 Incorrect
Subject: ASI/SMPS/M1 - Instrument maintence
Affected Datastreams: asiaossmpsM1.a1
Description During these time periods, a HEPA filter was connected to different portions of the system for investigation of leaks.
Measurements
  • sample_temperature (Sample temperature)
  • geometric_mean (Mean diameter of size distribution using a geometric average)
  • geometric_mean_std (Standard deviation of mean diameter of size distribution using geometric average)
  • mode (Mode diameter of size distribution)
  • total_concentration (Total concentration)
  • median (Median diameter of size distribution)
  • mean (Mean diameter of size distribution)
  • number_size_distribution (Number size distribution (dN/dlogDp))
  • d50 (50 percent cut-point diameter of the impactor)
 
DQR ID: D160907.13    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-09-06 10:04:00 2016-09-06 10:29:59 Incorrect
2016-09-06 18:15:00 2016-09-06 18:19:59 Incorrect
Subject: ASI/CPC/M1 - Instrument maintence
Affected 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
  • concentration (Particle concentration)
 
DQR ID: D160907.12    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-09-03 13:14:00 2016-09-03 13:27:59 Incorrect
Subject: ASI/CPC/M1 - Instrument testing
Affected Datastreams: asiaoscpcfM1.a1
Description During this time tests were being run with a HEPA filter on the inlet. Data is not representative of ambient aerosol concentrations
Measurements
  • concentration (Particle concentration)
 
DQR ID: D161116.5    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-09-16 15:00:00 2016-11-16 17:00:00 Incorrect
Subject: ASI/CCN/M1 - Instrument troubleshooting
Affected Datastreams: asiaosccn2colaM1.b1
Description Troubleshooting instrument flow issues. No valid data.
Measurements
  • temperature_std (Standard deviation of (T_read_TEC3 - T_read_TEC1))
  • eta (Eta factor used in calculation of supersaturation_calculated)
  • N_CCN_dN (Droplet count by bin size)
  • Q_sheath (Volumetric flow rate of sheath air)
  • T_read_TEC1 (Temperature read at top of column)
  • T_read_TEC3 (Temperature read at bottom of column)
  • seconds_after_transition (seconds since last impactor transition)
  • T_inlet (Temperature read of sample air at entrance to instrument)
  • temp_unstable (Logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point)
  • T_nafion (Nafion temperature)
  • N_CCN_bin_number (Bin number of lowest channel of OPC include in summation of N_CCN)
  • T_set_TEC1 (Temperature set point at top of column)
  • laser_current (Laser current)
  • T_read_gradient (Temperature difference between T_read_TEC3 and T_read_TEC1)
  • Q_sample (Volumetric flow rate of sample air)
  • supersaturation_calculated (Sample supersaturation calculated via Lance/Rose method)
  • T_sample (Temperature read of sample air entering the column)
  • proportional_valve_voltage (CCN Proportional valve voltage)
  • laser_current (OPC laser current)
  • T_read_TEC2 (Temperature read at middle of column)
  • eta_target (Eta factor used in calculation of supersaturation_calculated_estimated_equilibrium_target)
  • seconds_after_transition (Seconds since last supersaturation set point transition)
  • droplet_size (Size bins for CCN droplet count)
  • supersaturation_set_point (Sample supersaturation set point value reported by instrument)
  • P_sample (Sample pressure)
  • dT_OPC (T_OPC - T_read_TEC3 temperature difference)
  • concentration (Particle concentration)
  • supersaturation_calculated_target (Target supersaturation calculated via Lance/Rose method, computed from eta_target)
  • T_OPC (Temperature read of the optical particle counter)
  • dT_target_estimated (Estimated target thermal gradient under current operating conditions)
  • eta_lookup_table (Lookup table for eta computation)
  • reported_temperature_gradient (Reported temperature difference between T_set_TEC3 and T_set_TEC1)
  • overflow (Number of particles that are larger than 10um)
  • N_CCN (Number concentration of CCN)
  • first_stage_monitor_voltage (First stage monitor voltage)
  • T_set_TEC3 (Temperature set point at bottom of column)
  • droplet_size_bounds (Droplet bin bounds)
  • T_set_TEC2 (Temperature set point at middle of column)
  • T_set_gradient (Temperature difference between T_set_TEC3 and T_set_TEC1)
 
DQR ID: D161003.1    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-09-02 13:35:00 2016-09-02 14:19:59 Suspect
2016-09-03 12:30:00 2016-09-03 13:04:59 Suspect
2016-08-29 15:50:00 2016-08-29 16:04:59 Suspect
2016-08-29 13:45:00 2016-08-29 15:26:59 Suspect
2016-05-19 00:00:00 2016-08-29 12:54:59 Suspect
Subject: ASI/SMPS/M1 - Small leak in the SMPS CPC
Affected 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
  • geometric_mean (Mean diameter of size distribution using a geometric average)
  • geometric_mean_std (Standard deviation of mean diameter of size distribution using geometric average)
  • mode (Mode diameter of size distribution)
  • total_concentration (Total concentration)
  • median (Median diameter of size distribution)
  • mean (Mean diameter of size distribution)
  • number_size_distribution (Number size distribution (dN/dlogDp))
 
DQR ID: D161021.3    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-09-06 10:30:00 2016-09-06 18:09:59 Note
Subject: ASI/SMPS/M1 - Collection
Affected Datastreams: asiaossmpstrhM1.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
  • lower_size (Lower size limit)
  • sample_temperature (Sample temperature)
  • sample_pressure (Sample pressure)
  • reference_gas_pressure (Reference gas pressure)
  • geometric_mean_std (Standard deviation of mean diameter of size distribution using geometric average)
  • mode (Mode diameter of size distribution)
  • total_concentration (Total concentration)
  • reference_gas_viscosity (Reference gas viscosity)
  • low_voltage (Low voltage reading)
  • DMA_inner_radius (Inner radius of DMA)
  • status_flag (Scan status flag)
  • median (Median diameter of size distribution)
  • down_scan_first (Down scan first)
  • DMA_characteristic_length (Characteristic length of DMA)
  • high_voltage (High voltage reading)
  • sheath_flow (Sheath flow rate set point)
  • reference_mean_free_path (Reference mean free path)
  • number_size_distribution (Number size distribution (dN/dlogDp))
  • mean_free_path (Mean free path)
  • multiple_charge_correction (Multiple charge correction)
  • diffusion_correction (Diffusion correction)
  • aerosol_flow (Aerosol flow rate set point)
  • particle_density (Particle density)
  • diameter_midpoint (Bins for diameter midpoint measurements)
  • geometric_mean (Mean diameter of size distribution using a geometric average)
  • reference_gas_temperature (Reference gas temperature)
  • cpc_inlet_flow (CPC inlet flow rate set point)
  • cpc_sample_flow (CPC sample flow rate)
  • nanoparticle_agglomerate_mobility_analysis (Nanoparticle agglomerate mobility analysis)
  • DMA_outer_radius (Outer radius of DMA)
  • gas_viscosity (Gas viscosity)
  • mean (Mean diameter of size distribution)
  • d50 (50 percent cut-point diameter of the impactor)