Organic Blind Sample Program
False Positives & False Negatives
4-TERT-OCTYLPHENOL_MONOETHOXYLATES,_TOTAL_(OPEO1)
Method: 4433 Testid: 62485GCM99
Link to Individual Chart

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newdate = 06/30/17 falsepos = 0.55 newdate = 05/25/17 falsepos = 0.25 newdate = 04/11/17 falsepos = 0.94 newdate = 01/10/17 falsepos = 0.4 newdate = 12/06/16 falsepos = 0.61 newdate = 10/06/16 falsepos = 0.18 newdate = 08/24/16 falsepos = 0.27 newdate = 08/10/16 falsepos = 0.71 newdate = 06/29/17 CENC_VAL = 2.590 newdate = 05/03/17 CENC_VAL = 1.570 newdate = 04/12/17 CENC_VAL = 1.130 newdate = 01/06/17 CENC_VAL = 3.880 newdate = 01/05/17 CENC_VAL = 3.850 newdate = 01/05/17 CENC_VAL = 1.290 newdate = 12/07/16 CENC_VAL = 1.330 newdate = 12/06/16 CENC_VAL = 3.030 newdate = 12/05/16 CENC_VAL = 0.880 newdate = 09/28/16 CENC_VAL = 2.940 newdate = 09/28/16 CENC_VAL = 1.760 newdate = 09/26/16 CENC_VAL = 4.140 newdate = 02/25/16 CENC_VAL = 0.900 newdate = 02/24/16 CENC_VAL = 2.450 newdate = 09/27/17 REPORTING LEVEL = 0.6 newdate = 06/30/17 REPORTING LEVEL = 0.6 newdate = 06/30/17 REPORTING LEVEL = 0.6 newdate = 06/29/17 REPORTING LEVEL = 0.6 newdate = 06/29/17 REPORTING LEVEL = 0.6 newdate = 05/25/17 REPORTING LEVEL = 0.6 newdate = 05/25/17 REPORTING LEVEL = 0.6 newdate = 05/03/17 REPORTING LEVEL = 0.6 newdate = 05/03/17 REPORTING LEVEL = 0.6 newdate = 04/12/17 REPORTING LEVEL = 0.6 newdate = 04/12/17 REPORTING LEVEL = 0.6 newdate = 04/11/17 REPORTING LEVEL = 0.6 newdate = 04/11/17 REPORTING LEVEL = 0.6 newdate = 01/10/17 REPORTING LEVEL = 0.6 newdate = 01/10/17 REPORTING LEVEL = 0.6 newdate = 01/06/17 REPORTING LEVEL = 0.6 newdate = 01/06/17 REPORTING LEVEL = 0.6 newdate = 01/05/17 REPORTING LEVEL = 0.6 newdate = 01/05/17 REPORTING LEVEL = 0.6 newdate = 01/05/17 REPORTING LEVEL = 0.6 newdate = 01/05/17 REPORTING LEVEL = 0.6 newdate = 12/07/16 REPORTING LEVEL = 0.6 newdate = 12/07/16 REPORTING LEVEL = 0.6 newdate = 12/06/16 REPORTING LEVEL = 0.6 newdate = 12/06/16 REPORTING LEVEL = 0.6 newdate = 12/06/16 REPORTING LEVEL = 0.6 newdate = 12/06/16 REPORTING LEVEL = 0.6 newdate = 12/05/16 REPORTING LEVEL = 0.6 newdate = 12/05/16 REPORTING LEVEL = 0.6 newdate = 10/06/16 REPORTING LEVEL = 0.6 newdate = 10/06/16 REPORTING LEVEL = 0.6 newdate = 09/28/16 REPORTING LEVEL = 0.6 newdate = 09/28/16 REPORTING LEVEL = 0.6 newdate = 09/28/16 REPORTING LEVEL = 0.6 newdate = 09/28/16 REPORTING LEVEL = 0.6 newdate = 09/26/16 REPORTING LEVEL = 0.6 newdate = 09/26/16 REPORTING LEVEL = 0.6 newdate = 08/24/16 REPORTING LEVEL = 0.6 newdate = 08/24/16 REPORTING LEVEL = 0.6 newdate = 08/10/16 REPORTING LEVEL = 0.6 newdate = 08/10/16 REPORTING LEVEL = 0.6 newdate = 08/01/16 REPORTING LEVEL = 0.6 newdate = 08/01/16 REPORTING LEVEL = 0.6 newdate = 02/25/16 REPORTING LEVEL = 0.6 newdate = 02/25/16 REPORTING LEVEL = 0.6 newdate = 02/24/16 REPORTING LEVEL = 0.6
The SGPlot Procedure

Updated 07/31/2018

False Positive & Negative Listing for 4-TERT-OCTYLPHENOL_MONOETHOXYLATES,_TOTAL_(OPEO1)

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20162100008 ChemService 5016000: 80 µl & Crescent 03FF070: 80 µl 0.6 08/10/16 E 0.71 0
  20162150212 Crescent 03FF070: 40 µl & Phenova B20160306: 40 µl 0.6 08/24/16 E 0.27 0
  20162720208 Crescent 03FF070: 40 µl & Supelco LC20139V: 40 µl 0.6 10/06/16 E 0.18 0
  20163280007 Crescent 03FF070: 80 µl & Supelco LC20139V: 80 µl 0.6 12/06/16 E 0.61 0
  20170040037 ChemService 5016000: 100 µl & Crescent 03FF070: 100 µl 0.6 01/10/17 E 0.4 0
  20170260001 Crescent 03FF070: 100 µl & Phenova B20160306: 100 µl 0.6 04/11/17 E 0.94 0
  20171230081 ChemService 5016000: 40 µl & Crescent 03FF070: 40 µl 0.6 05/25/17 E 0.25 0
  20171790207 Phenova B20160306: 80 µl & Crescent 03FF070: 80 µl 0.6 06/30/17 E 0.55 0

Updated 07/31/2018