BQS OBSP Determination:
3,3DICHLOROBENZIDINE
METHOD: 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 35 24% 13% 21% 9%
Total 35 24% 13% 21% 9%

Sample Statistics
3,3DICHLOROBENZIDINE

Characteristic N % % Basis
Plotted 35 63% Spiked
Estimated Values 35 63% Spiked
Deleted Values 2 2% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 57 .  
False Negatives 21 38% 21 out of 56
Not Spiked 65 .  
False Positives 0 0% 0 out of 64