Organic Blind Sample Program
False Positives & False Negatives
TETRACHLOROETHYLENE
Method: 4440 Testid: 34475GCM66
Link to Individual Chart

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newdate = 04/02/16 falsepos = 0.0166 newdate = 06/23/17 CENC_VAL = 0.154 newdate = 06/17/17 CENC_VAL = 0.123 newdate = 06/09/17 CENC_VAL = 0.097 newdate = 05/25/17 CENC_VAL = 0.070 newdate = 05/17/17 CENC_VAL = 0.096 newdate = 04/03/17 CENC_VAL = 0.121 newdate = 03/09/17 CENC_VAL = 0.230 newdate = 02/24/17 CENC_VAL = 0.093 newdate = 02/03/17 CENC_VAL = 0.150 newdate = 01/26/17 CENC_VAL = 0.173 newdate = 01/04/17 CENC_VAL = 0.171 newdate = 12/24/16 CENC_VAL = 0.075 newdate = 12/12/16 CENC_VAL = 0.177 newdate = 11/29/16 CENC_VAL = 0.060 newdate = 11/14/16 CENC_VAL = 0.143 newdate = 10/29/16 CENC_VAL = 0.063 newdate = 10/13/16 CENC_VAL = 0.084 newdate = 09/29/16 CENC_VAL = 0.105 newdate = 09/08/16 CENC_VAL = 0.140 newdate = 09/08/16 CENC_VAL = 0.083 newdate = 08/20/16 CENC_VAL = 0.105 newdate = 08/12/16 CENC_VAL = 0.138 newdate = 07/29/16 CENC_VAL = 0.081 newdate = 07/20/16 CENC_VAL = 0.165 newdate = 07/14/16 CENC_VAL = 0.199 newdate = 06/30/16 CENC_VAL = 0.083 newdate = 06/21/16 CENC_VAL = 0.148 newdate = 05/27/16 CENC_VAL = 0.063 newdate = 05/24/16 CENC_VAL = 0.099 newdate = 04/26/16 CENC_VAL = 0.069 newdate = 03/17/16 CENC_VAL = 0.063 newdate = 03/04/16 CENC_VAL = 0.056 newdate = 02/05/16 CENC_VAL = 0.060 newdate = 01/27/16 CENC_VAL = 0.040 newdate = 06/23/17 REPORTING LEVEL = 0.026 newdate = 06/17/17 REPORTING LEVEL = 0.026 newdate = 06/17/17 REPORTING LEVEL = 0.026 newdate = 06/09/17 REPORTING LEVEL = 0.026 newdate = 06/09/17 REPORTING LEVEL = 0.026 newdate = 05/25/17 REPORTING LEVEL = 0.026 newdate = 05/25/17 REPORTING LEVEL = 0.026 newdate = 05/17/17 REPORTING LEVEL = 0.026 newdate = 05/17/17 REPORTING LEVEL = 0.026 newdate = 04/03/17 REPORTING LEVEL = 0.026 newdate = 04/03/17 REPORTING LEVEL = 0.026 newdate = 03/09/17 REPORTING LEVEL = 0.026 newdate = 03/09/17 REPORTING LEVEL = 0.026 newdate = 02/24/17 REPORTING LEVEL = 0.026 newdate = 02/24/17 REPORTING LEVEL = 0.026 newdate = 02/03/17 REPORTING LEVEL = 0.026 newdate = 02/03/17 REPORTING LEVEL = 0.026 newdate = 01/26/17 REPORTING LEVEL = 0.026 newdate = 01/26/17 REPORTING LEVEL = 0.026 newdate = 01/04/17 REPORTING LEVEL = 0.026 newdate = 01/04/17 REPORTING LEVEL = 0.026 newdate = 12/24/16 REPORTING LEVEL = 0.026 newdate = 12/24/16 REPORTING LEVEL = 0.026 newdate = 12/12/16 REPORTING LEVEL = 0.026 newdate = 12/12/16 REPORTING LEVEL = 0.026 newdate = 11/29/16 REPORTING LEVEL = 0.026 newdate = 11/29/16 REPORTING LEVEL = 0.026 newdate = 11/14/16 REPORTING LEVEL = 0.026 newdate = 11/14/16 REPORTING LEVEL = 0.026 newdate = 10/29/16 REPORTING LEVEL = 0.026 newdate = 10/29/16 REPORTING LEVEL = 0.026 newdate = 10/13/16 REPORTING LEVEL = 0.026 newdate = 10/13/16 REPORTING LEVEL = 0.026 newdate = 09/29/16 REPORTING LEVEL = 0.026 newdate = 09/29/16 REPORTING LEVEL = 0.026 newdate = 09/08/16 REPORTING LEVEL = 0.026 newdate = 09/08/16 REPORTING LEVEL = 0.026 newdate = 09/08/16 REPORTING LEVEL = 0.026 newdate = 09/08/16 REPORTING LEVEL = 0.026 newdate = 08/20/16 REPORTING LEVEL = 0.026 newdate = 08/20/16 REPORTING LEVEL = 0.026 newdate = 08/12/16 REPORTING LEVEL = 0.026 newdate = 08/12/16 REPORTING LEVEL = 0.026 newdate = 07/29/16 REPORTING LEVEL = 0.026 newdate = 07/29/16 REPORTING LEVEL = 0.026 newdate = 07/20/16 REPORTING LEVEL = 0.026 newdate = 07/20/16 REPORTING LEVEL = 0.026 newdate = 07/14/16 REPORTING LEVEL = 0.026 newdate = 07/14/16 REPORTING LEVEL = 0.026 newdate = 06/30/16 REPORTING LEVEL = 0.026 newdate = 06/30/16 REPORTING LEVEL = 0.026 newdate = 06/21/16 REPORTING LEVEL = 0.026 newdate = 06/21/16 REPORTING LEVEL = 0.026 newdate = 05/27/16 REPORTING LEVEL = 0.026 newdate = 05/27/16 REPORTING LEVEL = 0.026 newdate = 05/24/16 REPORTING LEVEL = 0.026 newdate = 05/24/16 REPORTING LEVEL = 0.026 newdate = 04/26/16 REPORTING LEVEL = 0.026 newdate = 04/26/16 REPORTING LEVEL = 0.026 newdate = 04/02/16 REPORTING LEVEL = 0.026 newdate = 04/02/16 REPORTING LEVEL = 0.026 newdate = 03/17/16 REPORTING LEVEL = 0.026 newdate = 03/17/16 REPORTING LEVEL = 0.026 newdate = 03/04/16 REPORTING LEVEL = 0.026 newdate = 03/04/16 REPORTING LEVEL = 0.026 newdate = 02/05/16 REPORTING LEVEL = 0.026 newdate = 02/05/16 REPORTING LEVEL = 0.026 newdate = 01/27/16 REPORTING LEVEL = 0.026
The SGPlot Procedure

Updated 03/27/2018

False Positive & Negative Listing for TETRACHLOROETHYLENE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20160910143 Supelco LC13545: 15 µl & Accu 215041380: 15 µl 0.026 04/02/16 0.0166 0

Updated 03/27/2018