BQS OBSP Determination:
3,3DICHLOROBENZIDINE
SCHEDULE: 1383 , TESTIDCODE: 34631GCM55
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
3,3DICHLOROBENZIDINE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 41 22% 13% 21% 9%
Total 41 22% 13% 21% 9%

Sample Statistics
3,3DICHLOROBENZIDINE

Characteristic N % % Basis
Plotted 41 69% Spiked
Estimated Values 41 69% Spiked
Deleted Values 4 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 60 .  
False Negatives 18 31% 18 out of 59
Not Spiked 77 .  
False Positives 0 0% 0 out of 74