BQS OBSP Determination:
ETHION MONOXON
METHOD: 2033 , TESTIDCODE: 61644GCM39
Open Data Set

Analysis Date = 04/20/11 SpikeMix = NWQL PSP2SP117A: 100 µl Pct Recovery = 76% Analysis Date = 06/22/11 SpikeMix = NWQL PSP2SP117A: 75 µl Pct Recovery = 82% Analysis Date = 03/05/11 SpikeMix = NWQL PSP2SP117A: 25 µl Pct Recovery = 117% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
ETHION MONOXON

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 3 91% 22% 82% 31%
Total 3 91% 22% 82% 31%

Sample Statistics
ETHION MONOXON

Characteristic N % % Basis
Plotted 3 100% Spiked
Estimated Values 3 100% Spiked
Deleted Values 7 4% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 3 .  
False Negatives 0 0% 0 out of 3
Not Spiked 166 .  
False Positives 2 1% 2 out of 159