BQS OBSP Determination:
1,2-DIBROMOETHANE
METHOD: 2021 , TESTIDCODE: 77651GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
1,2-DIBROMOETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 9 103% 15% 104% 20%
>= Reporting Level 179 97% 15% 97% 11%
Total 188 97% 15% 97% 12%

Sample Statistics
1,2-DIBROMOETHANE

Characteristic N % % Basis
Plotted 188 98% Spiked
Estimated Values 65 34% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 2 1% Spiked
Spiked 218 .  
False Negatives 1 1% 1 out of 191
Not Spiked 290 .  
False Positives 0 0% 0 out of 284