BQS OBSP Determination:
BENZ[A]ANTHRACENE
SCHEDULE: 1383 , TESTIDCODE: 34526GCM57
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
BENZ[A]ANTHRACENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 61 78% 11% 78% 10%
Total 61 78% 11% 78% 10%

Sample Statistics
BENZ[A]ANTHRACENE

Characteristic N % % Basis
Plotted 61 98% Spiked
Estimated Values 3 5% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 63 .  
False Negatives 1 2% 1 out of 62
Not Spiked 74 .  
False Positives 2 3% 2 out of 73