BQS OBSP Determination:
1,2-DICHLOROBENZENE
METHOD: 4054 , TESTIDCODE: 34536GCM66
DATES: 01/11/00 - 08/25/01

Expected Conc. = 5.448 Median Pct Recovery = 99% Expected Conc. = 5.448 Median Pct Recovery = 99% Expected Conc. = 5.448 Median Pct Recovery = 99% Expected Conc. = 5.448 Median Pct Recovery = 99% Expected Conc. = 5.448 Median Pct Recovery = 99% Expected Conc. = 5.35 Median Pct Recovery = 99% Expected Conc. = 5.35 Median Pct Recovery = 99% Expected Conc. = 5.35 Median Pct Recovery = 99% Expected Conc. = 5.35 Median Pct Recovery = 99% Expected Conc. = 5.35 Median Pct Recovery = 99% Expected Conc. = 5.35 Median Pct Recovery = 99% Expected Conc. = 4.808 Median Pct Recovery = 99% Expected Conc. = 4.808 Median Pct Recovery = 99% Expected Conc. = 4.808 Median Pct Recovery = 99% Expected Conc. = 4.808 Median Pct Recovery = 99% Expected Conc. = 1.07 Median Pct Recovery = 99% Expected Conc. = 1.07 Median Pct Recovery = 99% Expected Conc. = 1.07 Median Pct Recovery = 99% Expected Conc. = 1.07 Median Pct Recovery = 99% Expected Conc. = 0.9616 Median Pct Recovery = 99% Expected Conc. = 0.9616 Median Pct Recovery = 99% Expected Conc. = 0.9616 Median Pct Recovery = 99% Expected Conc. = 0.9616 Median Pct Recovery = 99% Expected Conc. = 0.9616 Median Pct Recovery = 99% Expected Conc. = 0.9616 Median Pct Recovery = 99% Expected Conc. = 0.5 Median Pct Recovery = 99% Expected Conc. = 0.5 Median Pct Recovery = 99% Expected Conc. = 0.5 Median Pct Recovery = 99% Expected Conc. = 0.5 Median Pct Recovery = 99% Expected Conc. = 0.216 Median Pct Recovery = 99% Expected Conc. = 0.216 Median Pct Recovery = 99% Expected Conc. = 0.216 Median Pct Recovery = 99% Expected Conc. = 0.216 Median Pct Recovery = 99% Expected Conc. = 0.216 Median Pct Recovery = 99% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 106% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 110% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 99% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 88% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 90% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 94% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 106% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 94% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 91% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 100% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 99% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 95% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 98% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 105% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 109% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 99% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 108% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Median Pct Recovery = 99% Y = 1
The SGPlot Procedure