Organic Blind Sample Program
False Positives & False Negatives
METHOTREXATE
Method: 2440 Testid: 67525LCM56
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newdate = 10/22/17 falseneg = -0.01 newdate = 10/21/17 falseneg = -0.01 newdate = 09/23/17 falseneg = -0.01 newdate = 06/07/17 falseneg = -0.01 newdate = 03/14/17 falseneg = -0.01 newdate = 03/14/17 falseneg = -0.01 newdate = 02/07/17 falseneg = -0.01 newdate = 02/07/17 falseneg = -0.01 newdate = 05/11/16 falseneg = -0.01 newdate = 05/11/16 falseneg = -0.01 newdate = 04/27/16 falseneg = -0.01 newdate = 11/09/17 CENC_VAL = 58.700 newdate = 11/08/17 CENC_VAL = 62.700 newdate = 09/21/17 CENC_VAL = 325.000 newdate = 08/28/17 CENC_VAL = 143.000 newdate = 08/25/17 CENC_VAL = 211.000 newdate = 08/11/17 CENC_VAL = 80.000 newdate = 08/10/17 CENC_VAL = 70.000 newdate = 07/15/17 CENC_VAL = 180.000 newdate = 07/14/17 CENC_VAL = 114.000 newdate = 06/18/17 CENC_VAL = 29.200 newdate = 06/17/17 CENC_VAL = 99.300 newdate = 06/08/17 CENC_VAL = 100.000 newdate = 04/20/17 CENC_VAL = 140.000 newdate = 04/07/17 CENC_VAL = 36.200 newdate = 04/07/17 CENC_VAL = 32.800 newdate = 03/14/17 CENC_VAL = 48.900 newdate = 03/14/17 CENC_VAL = 52.000 newdate = 01/19/17 CENC_VAL = 188.000 newdate = 01/19/17 CENC_VAL = 196.000 newdate = 12/16/16 CENC_VAL = 65.100 newdate = 12/16/16 CENC_VAL = 58.400 newdate = 11/18/16 CENC_VAL = 56.900 newdate = 11/18/16 CENC_VAL = 56.300 newdate = 11/03/16 CENC_VAL = 116.000 newdate = 11/03/16 CENC_VAL = 108.000 newdate = 10/29/16 CENC_VAL = 57.300 newdate = 10/29/16 CENC_VAL = 67.100 newdate = 09/24/16 CENC_VAL = 88.400 newdate = 09/24/16 CENC_VAL = 83.100 newdate = 09/23/16 CENC_VAL = 46.000 newdate = 09/23/16 CENC_VAL = 45.300 newdate = 09/10/16 CENC_VAL = 74.100 newdate = 09/10/16 CENC_VAL = 69.800 newdate = 09/09/16 CENC_VAL = 136.000 newdate = 09/09/16 CENC_VAL = 136.000 newdate = 08/16/16 CENC_VAL = 53.100 newdate = 08/16/16 CENC_VAL = 50.000 newdate = 08/11/16 CENC_VAL = 59.700 newdate = 08/11/16 CENC_VAL = 69.800 newdate = 07/22/16 CENC_VAL = 150.000 newdate = 07/22/16 CENC_VAL = 123.000 newdate = 04/27/16 CENC_VAL = 77.300 newdate = 04/27/16 CENC_VAL = 78.600 newdate = 04/09/16 CENC_VAL = 80.000 newdate = 04/09/16 CENC_VAL = 80.000 newdate = 11/09/17 REPORTING LEVEL = 52 newdate = 11/08/17 REPORTING LEVEL = 52 newdate = 11/08/17 REPORTING LEVEL = 52 newdate = 10/22/17 REPORTING LEVEL = 52 newdate = 10/22/17 REPORTING LEVEL = 52 newdate = 10/21/17 REPORTING LEVEL = 52 newdate = 10/21/17 REPORTING LEVEL = 52 newdate = 09/23/17 REPORTING LEVEL = 52 newdate = 09/23/17 REPORTING LEVEL = 52 newdate = 09/21/17 REPORTING LEVEL = 52 newdate = 09/21/17 REPORTING LEVEL = 52 newdate = 08/28/17 REPORTING LEVEL = 52 newdate = 08/28/17 REPORTING LEVEL = 52 newdate = 08/25/17 REPORTING LEVEL = 52 newdate = 08/25/17 REPORTING LEVEL = 52 newdate = 08/11/17 REPORTING LEVEL = 52 newdate = 08/11/17 REPORTING LEVEL = 52 newdate = 08/10/17 REPORTING LEVEL = 52 newdate = 08/10/17 REPORTING LEVEL = 52 newdate = 07/15/17 REPORTING LEVEL = 52 newdate = 07/15/17 REPORTING LEVEL = 52 newdate = 07/14/17 REPORTING LEVEL = 52 newdate = 07/14/17 REPORTING LEVEL = 52 newdate = 06/18/17 REPORTING LEVEL = 52 newdate = 06/18/17 REPORTING LEVEL = 52 newdate = 06/17/17 REPORTING LEVEL = 52 newdate = 06/17/17 REPORTING LEVEL = 52 newdate = 06/08/17 REPORTING LEVEL = 52 newdate = 06/08/17 REPORTING LEVEL = 52 newdate = 06/07/17 REPORTING LEVEL = 52 newdate = 06/07/17 REPORTING LEVEL = 52 newdate = 04/20/17 REPORTING LEVEL = 52 newdate = 04/20/17 REPORTING LEVEL = 52 newdate = 04/07/17 REPORTING LEVEL = 52 newdate = 04/07/17 REPORTING LEVEL = 52 newdate = 04/07/17 REPORTING LEVEL = 52 newdate = 04/07/17 REPORTING LEVEL = 52 newdate = 03/14/17 REPORTING LEVEL = 52 newdate = 03/14/17 REPORTING LEVEL = 52 newdate = 03/14/17 REPORTING LEVEL = 52 newdate = 03/14/17 REPORTING LEVEL = 52 newdate = 03/14/17 REPORTING LEVEL = 52 newdate = 03/14/17 REPORTING LEVEL = 52 newdate = 03/14/17 REPORTING LEVEL = 52 newdate = 03/14/17 REPORTING LEVEL = 52 newdate = 02/07/17 REPORTING LEVEL = 52 newdate = 02/07/17 REPORTING LEVEL = 52 newdate = 02/07/17 REPORTING LEVEL = 52 newdate = 02/07/17 REPORTING LEVEL = 52 newdate = 01/19/17 REPORTING LEVEL = 52 newdate = 01/19/17 REPORTING LEVEL = 52 newdate = 01/19/17 REPORTING LEVEL = 52 newdate = 01/19/17 REPORTING LEVEL = 52 newdate = 12/16/16 REPORTING LEVEL = 52 newdate = 12/16/16 REPORTING LEVEL = 52 newdate = 12/16/16 REPORTING LEVEL = 52 newdate = 12/16/16 REPORTING LEVEL = 52 newdate = 11/18/16 REPORTING LEVEL = 52 newdate = 11/18/16 REPORTING LEVEL = 52 newdate = 11/18/16 REPORTING LEVEL = 52 newdate = 11/18/16 REPORTING LEVEL = 52 newdate = 11/03/16 REPORTING LEVEL = 52 newdate = 11/03/16 REPORTING LEVEL = 52 newdate = 11/03/16 REPORTING LEVEL = 52 newdate = 11/03/16 REPORTING LEVEL = 52 newdate = 10/29/16 REPORTING LEVEL = 52 newdate = 10/29/16 REPORTING LEVEL = 52 newdate = 10/29/16 REPORTING LEVEL = 52 newdate = 10/29/16 REPORTING LEVEL = 52 newdate = 09/24/16 REPORTING LEVEL = 52.4 newdate = 09/24/16 REPORTING LEVEL = 52.4 newdate = 09/24/16 REPORTING LEVEL = 52.4 newdate = 09/24/16 REPORTING LEVEL = 52.4 newdate = 09/23/16 REPORTING LEVEL = 52.4 newdate = 09/23/16 REPORTING LEVEL = 52.4 newdate = 09/23/16 REPORTING LEVEL = 52.4 newdate = 09/23/16 REPORTING LEVEL = 52.4 newdate = 09/10/16 REPORTING LEVEL = 52.4 newdate = 09/10/16 REPORTING LEVEL = 52.4 newdate = 09/10/16 REPORTING LEVEL = 52.4 newdate = 09/10/16 REPORTING LEVEL = 52.4 newdate = 09/09/16 REPORTING LEVEL = 52.4 newdate = 09/09/16 REPORTING LEVEL = 52.4 newdate = 09/09/16 REPORTING LEVEL = 52.4 newdate = 09/09/16 REPORTING LEVEL = 52.4 newdate = 08/16/16 REPORTING LEVEL = 52.4 newdate = 08/16/16 REPORTING LEVEL = 52.4 newdate = 08/16/16 REPORTING LEVEL = 52.4 newdate = 08/16/16 REPORTING LEVEL = 52.4 newdate = 08/11/16 REPORTING LEVEL = 52.4 newdate = 08/11/16 REPORTING LEVEL = 52.4 newdate = 08/11/16 REPORTING LEVEL = 52.4 newdate = 08/11/16 REPORTING LEVEL = 52.4 newdate = 07/22/16 REPORTING LEVEL = 52.4 newdate = 07/22/16 REPORTING LEVEL = 52.4 newdate = 07/22/16 REPORTING LEVEL = 52.4 newdate = 07/22/16 REPORTING LEVEL = 52.4 newdate = 05/11/16 REPORTING LEVEL = 52.4 newdate = 05/11/16 REPORTING LEVEL = 52.4 newdate = 05/11/16 REPORTING LEVEL = 52.4 newdate = 05/11/16 REPORTING LEVEL = 52.4 newdate = 04/27/16 REPORTING LEVEL = 52.4 newdate = 04/27/16 REPORTING LEVEL = 52.4 newdate = 04/27/16 REPORTING LEVEL = 52.4 newdate = 04/27/16 REPORTING LEVEL = 52.4 newdate = 04/27/16 REPORTING LEVEL = 52.4 newdate = 04/27/16 REPORTING LEVEL = 52.4 newdate = 04/09/16 REPORTING LEVEL = 52.4 newdate = 04/09/16 REPORTING LEVEL = 52.4 newdate = 04/09/16 REPORTING LEVEL = 52.4 Y = 0
The SGPlot Procedure

Updated 03/27/2018

False Positive & Negative Listing for METHOTREXATE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20160980151 ERA 0406-15-07A: 20 µl & ERA 0406-15-08: 20 µl 52.4 04/27/16 < 52.4 78
  20161260153 Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 52.4 05/11/16 < 52.4 78
  20161260154 Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 52.4 05/11/16 < 52.4 78
  20170110050 Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl 52 02/07/17 < 80 132.48
  20170110051 Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl 52 02/07/17 < 90.5 132.48
  20170460062 Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 52 03/14/17 < 80 133.2
  20170460063 Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 52 03/14/17 < 80 133.2
  20171300148 Crescent EN160610015: 40 µl & ERA 04281604: 40 µl 52 06/07/17 < 80 133.2
  20172560105 Abs 072517Pharm1: 20 µl & Abs 072517Pharm2: 20 µl 52 09/23/17 < 102 104
  20172700086 ERA 06281702: 50 µl & ERA 06281703: 50 µl 52 10/21/17 < 80 258
  20172780021 ERA 06281703: 20 µl & ERA 06281704: 20 µl 52 10/22/17 < 80 103.2

Updated 03/27/2018