BQS OBSP Determination:
BENZO[A]PYRENE
METHOD: 1383 , TESTIDCODE: 34247GCM57
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
BENZO[A]PYRENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 57 78% 12% 80% 14%
Total 57 78% 12% 80% 14%

Sample Statistics
BENZO[A]PYRENE

Characteristic N % % Basis
Plotted 57 97% Spiked
Estimated Values 4 7% Spiked
Deleted Values 2 2% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 60 .  
False Negatives 2 3% 2 out of 59
Not Spiked 62 .  
False Positives 1 2% 1 out of 61