BQS OBSP Determination:
METHYL IODIDE
METHOD: 4054 , TESTIDCODE: 77424GCM66
DATES: 08/16/00 - 07/31/01

Expected Conc. = 7.2 Median Pct Recovery = 103% Expected Conc. = 7.2 Median Pct Recovery = 103% Expected Conc. = 7.2 Median Pct Recovery = 103% Expected Conc. = 7.2 Median Pct Recovery = 103% Expected Conc. = 7.2 Median Pct Recovery = 103% Expected Conc. = 2 Median Pct Recovery = 103% Expected Conc. = 2 Median Pct Recovery = 103% Expected Conc. = 2 Median Pct Recovery = 103% Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 74% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 89% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 103% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 125% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Median Pct Recovery = 103% Y = 1
The SGPlot Procedure