BQS OBSP Determination:
4-TERT-OCTYLPHENOL
SCHEDULE: 1433 , TESTIDCODE: 62062GCM37
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
4-TERT-OCTYLPHENOL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 17 76% 24% 72% 21%
>= Reporting Level 61 65% 17% 68% 12%
Total 78 68% 19% 69% 14%

Sample Statistics
4-TERT-OCTYLPHENOL

Characteristic N % % Basis
Plotted 78 98% Spiked
Estimated Values 73 91% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 1 1% Spiked
Spiked 80 .  
False Negatives 1 1% 1 out of 80
Not Spiked 91 .  
False Positives 2 2% 2 out of 91