BQS OBSP Determination:
ATRAZINE
SCHEDULE: 2060 , TESTIDCODE: 39632LCM29
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
ATRAZINE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 80 112% 25% 111% 17%
Total 80 112% 25% 111% 17%

Sample Statistics
ATRAZINE

Characteristic N % % Basis
Plotted 80 100% Spiked
Estimated Values 5 6% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 80 .  
False Negatives 0 0% 0 out of 80
Not Spiked 88 .  
False Positives 1 1% 1 out of 88