BQS OBSP Determination:
1,1,1,2-TETRACHLOROETHANE
METHOD: 2021 , TESTIDCODE: 77562GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
1,1,1,2-TETRACHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 199 101% 13% 101% 11%
Total 199 101% 13% 101% 11%

Sample Statistics
1,1,1,2-TETRACHLOROETHANE

Characteristic N % % Basis
Plotted 199 100% Spiked
Estimated Values 32 16% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 226 .  
False Negatives 0 0% 0 out of 199
Not Spiked 282 .  
False Positives 1 0% 1 out of 276