BQS OBSP Determination:
DIMETHYL PHTHALATE
SCHEDULE: 1383 , TESTIDCODE: 34341GCM57
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
DIMETHYL PHTHALATE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 58 83% 17% 86% 16%
Total 58 83% 17% 86% 16%

Sample Statistics
DIMETHYL PHTHALATE

Characteristic N % % Basis
Plotted 58 98% Spiked
Estimated Values 3 5% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 60 .  
False Negatives 1 2% 1 out of 59
Not Spiked 77 .  
False Positives 3 4% 3 out of 76