BQS OBSP Determination:
METOLACHLOR
METHOD: 2437 , TESTIDCODE: 65090LCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
METOLACHLOR

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 26 80% 10% 77% 7%
Total 26 80% 10% 77% 7%

Sample Statistics
METOLACHLOR

Characteristic N % % Basis
Plotted 26 100% Spiked
Estimated Values 3 12% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 26 .  
False Negatives 0 0% 0 out of 26
Not Spiked 22 .  
False Positives 3 14% 3 out of 22