BQS OBSP Determination:
2-BUTANONE
METHOD: 4054 , TESTIDCODE: 81595GCM66
DATES: 08/16/00 - 10/04/03

Expected Conc. = 16.5 Median Pct Recovery = 114% Expected Conc. = 16.5 Median Pct Recovery = 114% Expected Conc. = 16.5 Median Pct Recovery = 114% Expected Conc. = 6.64 Median Pct Recovery = 114% Expected Conc. = 6.64 Median Pct Recovery = 114% Expected Conc. = 6.64 Median Pct Recovery = 114% Expected Conc. = 6.64 Median Pct Recovery = 114% Expected Conc. = 6.64 Median Pct Recovery = 114% Expected Conc. = 6.64 Median Pct Recovery = 114% Expected Conc. = 4.804 Median Pct Recovery = 114% Expected Conc. = 4.804 Median Pct Recovery = 114% Expected Conc. = 4.804 Median Pct Recovery = 114% Expected Conc. = 4.804 Median Pct Recovery = 114% Expected Conc. = 4.804 Median Pct Recovery = 114% Expected Conc. = 4.804 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 3.6 Median Pct Recovery = 114% Expected Conc. = 1.44 Median Pct Recovery = 114% Expected Conc. = 1.44 Median Pct Recovery = 114% Expected Conc. = 1.44 Median Pct Recovery = 114% Expected Conc. = 1.44 Median Pct Recovery = 114% Expected Conc. = 1.44 Median Pct Recovery = 114% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 114% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 112% Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 125% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 125% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 140% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 90% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 104% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 106% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 112% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 117% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 114% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 119% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Median Pct Recovery = 114% Y = 1
The SGPlot Procedure