BQS OBSP Determination:
METHAMIDOPHOS
METHOD: 2437 , TESTIDCODE: 68644LCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
METHAMIDOPHOS

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 15 100% 30% 89% 26%
Total 15 100% 30% 89% 26%

Sample Statistics
METHAMIDOPHOS

Characteristic N % % Basis
Plotted 15 63% Spiked
Estimated Values 3 13% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 2 8% Spiked
Spiked 24 .  
False Negatives 7 29% 7 out of 24
Not Spiked 24 .  
False Positives 0 0% 0 out of 24