BQS OBSP Determination:
METOLACHLOR
METHOD: 2001 , TESTIDCODE: 39415GCM35
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
METOLACHLOR

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 72 99% 29% 99% 28%
Total 72 99% 29% 99% 28%

Sample Statistics
METOLACHLOR

Characteristic N % % Basis
Plotted 72 100% Spiked
Estimated Values 4 6% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 72 .  
False Negatives 0 0% 0 out of 72
Not Spiked 58 .  
False Positives 1 2% 1 out of 58