BQS Organic Blind Sample Project
False Positive and Negative Report for
Schedule: 4024

Analyte TestIDCode CASNumber # Samples
Spiked
# False
Negatives
# Samples
Not Spiked
# False
Positives
ACETONE 81552GCM60 67-64-1 54 0 54 6
DIISOPROPYL ETHER 81577GCM60 108-20-3 54 0 54 0
ETHYL TERT-BUTYL ETHER 50004GCM60 637-92-3 54 0 54 0
METHYL ACETATE 77032GCM60 79-20-9 54 0 54 1
TERT-AMYL ALCOHOL 77073GCM60 75-85-4 54 0 54 0
TERT-BUTYL ALCOHOL 77035GCM60 75-65-0 54 0 54 0
TERT-BUTYL METHYL ETHER (MTBE) 78032GCM60 1634-04-4 54 0 54 0
TERT-PENTYL METHYL ETHER (TAME) 50005GCM60 994-05-8 54 0 54 0

back to table
BQS Organic Blind Sample Program
False Positives & False Negatives
ACETONE
Schedule: 4024 Testid: 81552GCM60
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for ACETONE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20080640005 ChemService 385-17C: 20 µl 1.8 03/08/08 E 0.6 0
  20100360003 ERA 0817-09-02VOA: 20 µl 1.2 02/09/10 E 0.44 0
  20100810065 Ultra CF-3592: 20 µl 1.2 03/26/10 E 0.42 0
  20101950134 Ultra CF-3592: 40 µl 1.2 07/19/10 E 0.87 0
  20113130088 NSI 062210-01: 40 µl 1.6 11/15/11 . 0.47 0
  20121520252 NSI 062210-01: 20 µl 1.6 06/07/12 . 0.26 0

Updated 06/06/2013

back to table
BQS Organic Blind Sample Program
False Positives & False Negatives
METHYL ACETATE
Schedule: 4024 Testid: 77032GCM60
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for METHYL ACETATE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20123560095 Accu 212051187: 20 µl 0.46 01/03/13 . 0.148 0

Updated 06/06/2013