BQS OBSP Determination:
1,2,4-TRICHLOROBENZENE
METHOD: 4054 , TESTIDCODE: 34551GCM66
DATES: 02/23/00 - 10/04/03

Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 4.84 Median Pct Recovery = 92% Expected Conc. = 3.188 Median Pct Recovery = 92% Expected Conc. = 3.188 Median Pct Recovery = 92% Expected Conc. = 3.188 Median Pct Recovery = 92% Expected Conc. = 3.188 Median Pct Recovery = 92% Expected Conc. = 3.188 Median Pct Recovery = 92% Expected Conc. = 3.188 Median Pct Recovery = 92% Expected Conc. = 1.936 Median Pct Recovery = 92% Expected Conc. = 1.936 Median Pct Recovery = 92% Expected Conc. = 1.936 Median Pct Recovery = 92% Expected Conc. = 1.936 Median Pct Recovery = 92% Expected Conc. = 1.936 Median Pct Recovery = 92% Expected Conc. = 1.936 Median Pct Recovery = 92% Expected Conc. = 1.9 Median Pct Recovery = 92% Expected Conc. = 1.9 Median Pct Recovery = 92% Expected Conc. = 1.9 Median Pct Recovery = 92% Expected Conc. = 1.9 Median Pct Recovery = 92% Expected Conc. = 0.28 Median Pct Recovery = 92% Expected Conc. = 0.28 Median Pct Recovery = 92% Expected Conc. = 0.28 Median Pct Recovery = 92% Expected Conc. = 0.28 Median Pct Recovery = 92% Expected Conc. = 0.28 Median Pct Recovery = 92% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 102% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 115% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 100% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 86% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 88% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 88% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 75% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 99% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 83% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 92% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 90% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 102% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 95% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 103% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 83% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 117% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 90% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Median Pct Recovery = 92% Y = 1
The SGPlot Procedure