BQS OBSP Determination:
TERT-BUTYLBENZENE
SCHEDULE: 2021 , TESTIDCODE: 77353GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
TERT-BUTYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 60 81% 10% 80% 12%
Total 60 81% 10% 80% 12%

Sample Statistics
TERT-BUTYLBENZENE

Characteristic N % % Basis
Plotted 60 97% Spiked
Estimated Values 11 18% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 62 .  
False Negatives 2 3% 2 out of 62
Not Spiked 108 .  
False Positives 1 1% 1 out of 108