BQS OBSP Determination:
2,4-DIMETHYLPHENOL
SCHEDULE: 1383 , TESTIDCODE: 34606GCM56
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
2,4-DIMETHYLPHENOL

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 59 62% 19% 66% 19%
Total 59 62% 19% 66% 19%

Sample Statistics
2,4-DIMETHYLPHENOL

Characteristic N % % Basis
Plotted 59 100% Spiked
Estimated Values 12 20% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 60 .  
False Negatives 0 0% 0 out of 59
Not Spiked 77 .  
False Positives 1 1% 1 out of 76