BQS OBSP Determination:
BUTYLBENZYL PHTHALATE
METHOD: 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 46 83% 14% 84% 12%
Total 52 91% 37% 87% 13%

Sample Statistics
BUTYLBENZYL PHTHALATE

Characteristic N % % Basis
Plotted 52 93% Spiked
Estimated Values 21 38% Spiked
Deleted Values 2 2% Spiked + Not Spiked
Spiked, Censored 2 4% Spiked
Spiked 57 .  
False Negatives 2 4% 2 out of 56
Not Spiked 65 .  
False Positives 2 3% 2 out of 64