BQS OBSP Determination:
CHLORPYRIFOS
SCHEDULE: 2001 , TESTIDCODE: 38933GCM35
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
CHLORPYRIFOS

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 70 96% 67% 87% 23%
Total 70 96% 67% 87% 23%

Sample Statistics
CHLORPYRIFOS

Characteristic N % % Basis
Plotted 70 100% Spiked
Estimated Values 1 1% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 70 .  
False Negatives 0 0% 0 out of 70
Not Spiked 60 .  
False Positives 0 0% 0 out of 60