BQS OBSP Determination:
4-CHLOROTOLUENE
METHOD: 4440 , TESTIDCODE: 77277GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
4-CHLOROTOLUENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 25 88% 9% 85% 10%
Total 25 88% 9% 85% 10%

Sample Statistics
4-CHLOROTOLUENE

Characteristic N % % Basis
Plotted 25 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 25 .  
False Negatives 0 0% 0 out of 25
Not Spiked 11 .  
False Positives 0 0% 0 out of 11