BQS OBSP Determination:
CHLORPYRIFOS
METHOD: 2437 , TESTIDCODE: 65072LCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
CHLORPYRIFOS

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 29 86% 19% 82% 18%
Total 29 86% 19% 82% 18%

Sample Statistics
CHLORPYRIFOS

Characteristic N % % Basis
Plotted 29 100% Spiked
Estimated Values 5 17% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 29 .  
False Negatives 0 0% 0 out of 29
Not Spiked 19 .  
False Positives 0 0% 0 out of 19