Organic Blind Sample Program
False Positives & False Negatives
2-PENTANOL,_4-METHYL-
Method: 4437 Testid: 77113GM016
Link to Individual Chart

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newdate = 08/30/17 falsepos = 0.357 newdate = 08/16/17 falsepos = 0.541 newdate = 08/10/17 falsepos = 0.357 newdate = 08/01/17 CENC_VAL = 0.581 newdate = 06/24/17 CENC_VAL = 0.828 newdate = 06/13/17 CENC_VAL = 0.698 newdate = 04/27/17 CENC_VAL = 0.433 newdate = 03/24/17 CENC_VAL = 0.537 newdate = 03/09/17 CENC_VAL = 1.210 newdate = 02/24/17 CENC_VAL = 0.719 newdate = 02/02/17 CENC_VAL = 1.240 newdate = 02/02/17 CENC_VAL = 0.461 newdate = 01/03/17 CENC_VAL = 0.456 newdate = 12/05/16 CENC_VAL = 1.210 newdate = 11/29/16 CENC_VAL = 1.180 newdate = 11/18/16 CENC_VAL = 0.448 newdate = 11/02/16 CENC_VAL = 0.492 newdate = 10/07/16 CENC_VAL = 0.544 newdate = 09/28/16 CENC_VAL = 0.807 newdate = 09/08/16 CENC_VAL = 0.770 newdate = 09/08/16 CENC_VAL = 0.820 newdate = 08/18/16 CENC_VAL = 0.486 newdate = 08/12/16 CENC_VAL = 0.490 newdate = 04/28/16 CENC_VAL = 0.441 newdate = 03/22/16 CENC_VAL = 0.297 newdate = 02/12/16 CENC_VAL = 0.237 newdate = 08/30/17 REPORTING LEVEL = 0.2 newdate = 08/16/17 REPORTING LEVEL = 0.2 newdate = 08/16/17 REPORTING LEVEL = 0.2 newdate = 08/10/17 REPORTING LEVEL = 0.2 newdate = 08/10/17 REPORTING LEVEL = 0.2 newdate = 08/01/17 REPORTING LEVEL = 0.2 newdate = 08/01/17 REPORTING LEVEL = 0.2 newdate = 06/24/17 REPORTING LEVEL = 0.2 newdate = 06/24/17 REPORTING LEVEL = 0.2 newdate = 06/13/17 REPORTING LEVEL = 0.2 newdate = 06/13/17 REPORTING LEVEL = 0.2 newdate = 04/27/17 REPORTING LEVEL = 0.2 newdate = 04/27/17 REPORTING LEVEL = 0.2 newdate = 03/24/17 REPORTING LEVEL = 0.2 newdate = 03/24/17 REPORTING LEVEL = 0.2 newdate = 03/09/17 REPORTING LEVEL = 0.2 newdate = 03/09/17 REPORTING LEVEL = 0.2 newdate = 02/24/17 REPORTING LEVEL = 0.2 newdate = 02/24/17 REPORTING LEVEL = 0.2 newdate = 02/02/17 REPORTING LEVEL = 0.2 newdate = 02/02/17 REPORTING LEVEL = 0.2 newdate = 02/02/17 REPORTING LEVEL = 0.2 newdate = 02/02/17 REPORTING LEVEL = 0.2 newdate = 01/03/17 REPORTING LEVEL = 0.2 newdate = 01/03/17 REPORTING LEVEL = 0.2 newdate = 12/05/16 REPORTING LEVEL = 0.2 newdate = 12/05/16 REPORTING LEVEL = 0.2 newdate = 11/29/16 REPORTING LEVEL = 0.2 newdate = 11/29/16 REPORTING LEVEL = 0.2 newdate = 11/18/16 REPORTING LEVEL = 0.2 newdate = 11/18/16 REPORTING LEVEL = 0.2 newdate = 11/02/16 REPORTING LEVEL = 0.2 newdate = 11/02/16 REPORTING LEVEL = 0.2 newdate = 10/07/16 REPORTING LEVEL = 0.2 newdate = 10/07/16 REPORTING LEVEL = 0.2 newdate = 09/28/16 REPORTING LEVEL = 0.2 newdate = 09/28/16 REPORTING LEVEL = 0.2 newdate = 09/08/16 REPORTING LEVEL = 0.2 newdate = 09/08/16 REPORTING LEVEL = 0.2 newdate = 09/08/16 REPORTING LEVEL = 0.2 newdate = 09/08/16 REPORTING LEVEL = 0.2 newdate = 08/18/16 REPORTING LEVEL = 0.2 newdate = 08/18/16 REPORTING LEVEL = 0.2 newdate = 08/12/16 REPORTING LEVEL = 0.2 newdate = 08/12/16 REPORTING LEVEL = 0.2 newdate = 04/28/16 REPORTING LEVEL = 0.2 newdate = 04/28/16 REPORTING LEVEL = 0.2 newdate = 03/22/16 REPORTING LEVEL = 0.2 newdate = 03/22/16 REPORTING LEVEL = 0.2 newdate = 02/12/16 REPORTING LEVEL = 0.2
The SGPlot Procedure

Updated 04/25/2018

False Positive & Negative Listing for 2-PENTANOL,_4-METHYL-

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20172150193 ChemService 6441300: 10 µl & ChemService 6441600: 10 µl & ChemService 6424500: 1 0.2 08/10/17 0.357 0
  20172230006 ChemService 6441300: 15 µl & Spex Organics BW170726021: 15 µl & ChemService 6424 0.2 08/16/17 0.541 0
  20172370006 ChemService 6441300: 10 µl & ChemService 6424500: 10 µl & Spex Organics BW170725 0.2 08/30/17 0.357 0

Updated 04/25/2018