Data Quality Reports for Session: 180397 User: tennere1 Completed: 10/12/2016

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected Data Quality Metric
D160907.12ASI/CPC/M1 - Instrument testingasiaoscpcfM1.b1Incorrect
D160907.13ASI/CPC/M1 - Instrument maintenceasiaoscpcfM1.b1Incorrect
D160907.14ASI/SMPS/M1 - Instrument maintenceasiaossmpsM1.a1Incorrect
D161003.1ASI/SMPS/M1 - Small leak in the SMPS CPCasiaossmpsM1.a1Suspect


DQRID : D160907.12
Start DateStart TimeEnd DateEnd Time Data Quality Metric
09/03/2016131409/03/20161327Incorrect
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:
  • AOS number concentration of CN (concentration)(concentration)

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DQRID : D160907.13
Start DateStart TimeEnd DateEnd Time Data Quality Metric
09/06/2016100409/06/20161029Incorrect
09/06/2016181509/06/20161819Incorrect
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:
  • AOS number concentration of CN (concentration)(concentration)

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DQRID : D160907.14
Start DateStart TimeEnd DateEnd Time Data Quality Metric
09/06/2016103009/06/20161154Incorrect
08/29/2016152708/29/20161549Incorrect
09/06/2016172509/06/20161744Incorrect
08/29/2016160508/31/20161719Incorrect
09/02/2016130509/02/20161334Incorrect
09/06/2016180009/06/20161824Incorrect
09/01/2016130909/01/20161814Incorrect
08/29/2016125508/29/20161344Incorrect
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 DateStart TimeEnd DateEnd Time Data Quality Metric
08/29/2016134508/29/20161526Suspect
08/29/2016155008/29/20161604Suspect
09/03/2016123009/03/20161304Suspect
05/19/2016000008/29/20161254Suspect
09/02/2016133509/02/20161419Suspect
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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END OF DATA