False Positive & Negative Listing for CAFFEINE

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The SGPlot Procedure

Updated 06/06/2013


False Positive & Negative Listing for CHLORAMBEN, METHYL ESTER

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20073380128 Abs 071607LC: 50 µl 0.1 01/03/08 < 0.1 0.341
  20080150157 Accu B7070230: 50 µl 0.1 02/12/08 < 0.1 0.3474628
  20080740019 Accu B7070230: 50 µl 0.1 04/04/08 < 0.1 0.3456557
  20080870100 Abs 071607LC: 50 µl 0.1 04/04/08 < 0.1 0.3439927
  20081290004 Abs 071607LC: 50 µl 0.1 05/16/08 < 0.1 0.3390336
  20081500007 Accu B7070230: 50 µl 0.1 06/19/08 < 0.1 0.3448469
  20083040065 ChemService 406-113B: 50 µl 0.1 11/19/08 < 0.1 0.5393643
  20083440101 Abs 081508Polar: 30 µl 0.1 12/30/08 < 0.1 0.3344064
  20091060131 Abs 081508Polar: 30 µl 0.1 04/30/09 < 0.1 0.3347432
  20091410005 ChemService 406-113B: 50 µl 0.1 06/17/09 < 0.1 0.5507839
  20091830170 Abs 081508Polar: 30 µl 0.1 07/28/09 < 0.1 0.330155
  20092530081 ChemService 406-113B: 30 µl 0.1 09/23/09 < 0.1 0.329352
  20093100008 Restek A069890: 40 µl 0.1 11/20/09 < 0.1 0.1842234
  20100920050 Restek A069890: 40 µl 0.1 04/14/10 < 0.1 0.1880564
  20101270033 Spex Organics T1090828008: 40 µl 0.1 05/26/10 < 0.1 0.1907467
  20101550008 Restek A069890: 80 µl 0.1 06/16/10 < 0.1 0.3845367
  20101760005 Restek A069890: 40 µl 0.1 07/14/10 < 0.1 0.1879248
  20103430088 ChemService 448-45B: 40 µl 0.1 01/04/11 < 0.1 0.1450068
  20110130055 Abs 090910HPLC: 40 µl 0.1 02/02/11 < 0.1 0.1506629
  20110410063 Abs 090910HPLC: 40 µl 0.1 02/25/11 < 0.1 0.1494322
  20110490034 ChemService 448-45B: 40 µl 0.1 03/07/11 < 0.1 0.1443439
  20110770004 Abs 090910HPLC: 40 µl 0.1 04/12/11 < 0.1 0.1490757
  20111590002 ChemService 448-45B: 100 µl 0.1 06/28/11 < 0.1 0.3669634
False Positive 20093380008 NSI 090309-01HPLC: 80 µl 0.1 12/29/09 E 0.019 0
  20101340151 Accu 209081166: 80 µl 0.1 06/10/10 E 0.062 0
  20111960035 Crescent 163162: 100 µl 0.1 07/18/11 . 0.087 0

Updated 06/06/2013