BQS OBSP Determination:
1,1-DICHLOROETHANE
METHOD: 2021 , TESTIDCODE: 34496GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
1,1-DICHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 8 109% 25% 119% 19%
>= Reporting Level 150 107% 12% 107% 10%
Total 158 107% 13% 108% 11%

Sample Statistics
1,1-DICHLOROETHANE

Characteristic N % % Basis
Plotted 158 100% Spiked
Estimated Values 22 14% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 186 .  
False Negatives 0 0% 0 out of 158
Not Spiked 322 .  
False Positives 1 0% 1 out of 317