BQS OBSP Determination:
CHLORPYRIFOS
SCHEDULE: 1433 , TESTIDCODE: 38933GCM37
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
CHLORPYRIFOS

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 88 66% 17% 64% 15%
Total 88 66% 17% 64% 15%

Sample Statistics
CHLORPYRIFOS

Characteristic N % % Basis
Plotted 88 100% Spiked
Estimated Values 8 9% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 88 .  
False Negatives 0 0% 0 out of 88
Not Spiked 83 .  
False Positives 0 0% 0 out of 83