BQS Organic Blind Sample Program
False Positives & False Negatives
TETRACHLOROETHYLENE
Method: 2021 Testid: 34475GCM66

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The SGPlot Procedure

Updated 08/31/2015

False Positive & Negative Listing for TETRACHLOROETHYLENE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20100630040 NSI 090909-01VOC: 30 µl 0.026 03/11/10 . 0.0772 0
  20102030002 Abs 090809: 10 µl 0.026 07/27/10 E 0.0207 0
  20102500044 Abs 090809: 30 µl 0.026 09/08/10 . 0.0746 0
  20103140133 Restek A075493: 40 µl 0.026 11/16/10 . 0.0521 0
  20103350005 Crescent 06MM148: 40 µl 0.026 12/03/10 . 0.0364 0
  20110210094 Restek A075493: 20 µl 0.026 01/22/11 . 0.0325 0
  20110340011 Crescent 06MM148: 20 µl 0.026 02/14/11 . 0.036 0
  20110620085 Restek A075493: 40 µl 0.026 03/08/11 . 0.0556 0
  20111680038 Crescent 06MM148: 20 µl 0.026 06/18/11 . 0.0211 0
  20111950194 Restek A075493: 20 µl 0.026 07/20/11 . 0.0257 0
  20112170149 Crescent 06MM148: 40 µl 0.026 08/10/11 . 0.0207 0
  20112450030 Restek A075493: 20 µl 0.026 09/03/11 . 0.0354 0
  20112930089 Crescent 06MM148: 20 µl 0.026 10/24/11 . 0.0334 0
  20113490067 Crescent 06MM148: 40 µl 0.026 12/17/11 . 0.01 0
  20120470076 Crescent 06MM148: 20 µl 0.026 02/24/12 . 0.0181 0
  20120540039 Restek A075493: 40 µl 0.026 02/24/12 . 0.0326 0
  20132140003 Supelco LC00154: 20 µl & Abs 051413: 20 µl 0.026 08/06/13 . 0.0056 0
  20132980025 Accu 213041120: 20 µl & ChemService 1530700: 20 µl 0.026 11/01/13 . 0.013 0
  20140230083 Supelco LC00154: 20 µl & ChemService 1530700: 20 µl 0.026 01/29/14 . 0.0167 0

Updated 08/31/2015