BQS OBSP Determination:
1,4-DICHLOROBENZENE
METHOD: 4054 , TESTIDCODE: 34571GCM66
DATES: 01/11/00 - 08/25/01

Expected Conc. = 6.032 Median Pct Recovery = 95% Expected Conc. = 6.032 Median Pct Recovery = 95% Expected Conc. = 6.032 Median Pct Recovery = 95% Expected Conc. = 5.802 Median Pct Recovery = 95% Expected Conc. = 5.802 Median Pct Recovery = 95% Expected Conc. = 5.802 Median Pct Recovery = 95% Expected Conc. = 5.802 Median Pct Recovery = 95% Expected Conc. = 5.802 Median Pct Recovery = 95% Expected Conc. = 5.802 Median Pct Recovery = 95% Expected Conc. = 4.19 Median Pct Recovery = 95% Expected Conc. = 4.19 Median Pct Recovery = 95% Expected Conc. = 4.19 Median Pct Recovery = 95% Expected Conc. = 4.19 Median Pct Recovery = 95% Expected Conc. = 4.19 Median Pct Recovery = 95% Expected Conc. = 4.19 Median Pct Recovery = 95% Expected Conc. = 1.2064 Median Pct Recovery = 95% Expected Conc. = 1.2064 Median Pct Recovery = 95% Expected Conc. = 1.2064 Median Pct Recovery = 95% Expected Conc. = 1.2064 Median Pct Recovery = 95% Expected Conc. = 1.2064 Median Pct Recovery = 95% Expected Conc. = 1.2064 Median Pct Recovery = 95% Expected Conc. = 0.838 Median Pct Recovery = 95% Expected Conc. = 0.838 Median Pct Recovery = 95% Expected Conc. = 0.838 Median Pct Recovery = 95% Expected Conc. = 0.838 Median Pct Recovery = 95% Expected Conc. = 0.5 Median Pct Recovery = 95% Expected Conc. = 0.5 Median Pct Recovery = 95% Expected Conc. = 0.5 Median Pct Recovery = 95% Expected Conc. = 0.5 Median Pct Recovery = 95% Expected Conc. = 0.33 Median Pct Recovery = 95% Expected Conc. = 0.33 Median Pct Recovery = 95% Expected Conc. = 0.33 Median Pct Recovery = 95% Expected Conc. = 0.33 Median Pct Recovery = 95% Expected Conc. = 0.33 Median Pct Recovery = 95% Expected Conc. = 0.33 Median Pct Recovery = 95% Expected Conc. = 0.216 Median Pct Recovery = 95% Expected Conc. = 0.216 Median Pct Recovery = 95% Expected Conc. = 0.216 Median Pct Recovery = 95% Expected Conc. = 0.216 Median Pct Recovery = 95% Expected Conc. = 0.216 Median Pct Recovery = 95% 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 = 90% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 112% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 116% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 97% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 87% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 93% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 95% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 100% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 86% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 88% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 93% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 91% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 102% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 105% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 86% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 86% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 101% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 99% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 97% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Median Pct Recovery = 95% Y = 1
The SGPlot Procedure