BQS OBSP Determination:
O-ETHYL TOLUENE
METHOD: 2021 , TESTIDCODE: 77220GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
O-ETHYL TOLUENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 1 44% . 44% 0%
>= Reporting Level 125 88% 13% 87% 13%
Total 126 87% 13% 87% 13%

Sample Statistics
O-ETHYL TOLUENE

Characteristic N % % Basis
Plotted 126 100% Spiked
Estimated Values 27 21% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 131 .  
False Negatives 0 0% 0 out of 126
Not Spiked 377 .  
False Positives 0 0% 0 out of 349