BQS OBSP Determination:
BUTYLBENZYL PHTHALATE
SCHEDULE: 1383 , TESTIDCODE: 34292GCM57
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
BUTYLBENZYL PHTHALATE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 6 152% 85% 113% 34%
>= Reporting Level 49 88% 18% 87% 14%
Total 55 95% 37% 90% 19%

Sample Statistics
BUTYLBENZYL PHTHALATE

Characteristic N % % Basis
Plotted 55 93% Spiked
Estimated Values 24 41% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 2 3% Spiked
Spiked 60 .  
False Negatives 2 3% 2 out of 59
Not Spiked 77 .  
False Positives 2 3% 2 out of 76