DQRID : D161005.1
Start DateStart TimeEnd DateEnd Time
09/02/2016143009/14/20161811
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Subject:
SGP/ACSM/C1 - Low inlet pressure in sample position
DataStreams:sgpaosacsmC1.00, sgpaosacsmC1.01, sgpaosacsmC1.a1, sgpaosacsmcalC1.b1, sgpaosacsmC1.b1
Description:
The data are suspect because the new filter switching valve was out of adjustment causing 
low inlet pressure in the sample position.  The problem was corrected by the onsite 
operator.
Suggestions: 
Use data from this period with caution.  It is probably wrong.
Measurements:sgpaosacsmC1.01:
  • (Raw data stream - documentation not supported)
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sgpaosacsmcalC1.b1:
  • Mass concentration of ammonium, ambient aerosol in air(ammonium)
  • Mass to charge ratios of ion fragments(amus)
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of total organics, ambient aerosol in air(total_organics)
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • Organic mass spectral matrix(org_mx)
  • Organic mass spectral error matrix(org_mx_err)
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sgpaosacsmC1.a1:
  • Mass concentration of total organics, ambient aerosol in air(total_organics)
  • Inlet closed(inlet_closed)
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • Inlet open(inlet_open)
  • Emission current(emission_current)
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Vaporizer(vaporizer)
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • flow rate measured by the mass flow controller(flow_rate)
  • Mass concentration of ammonium, ambient aerosol in air(ammonium)
more
sgpaosacsmC1.00:
  • (Raw data stream - documentation not supported)
more
sgpaosacsmC1.b1:
  • Organic mass spectral matrix(org_mx)
  • Mass concentration of ammonium, ambient aerosol in air(ammonium)
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of total organics, ambient aerosol in air(total_organics)
  • Mass to charge ratios of ion fragments(amus)
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • Organic mass spectral error matrix(org_mx_err)
more

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