BQS OBSP Determination:
1,2-DICHLOROBENZENE
METHOD: 2021 , TESTIDCODE: 34536GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
1,2-DICHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 106% 5% 104% 6%
>= Reporting Level 210 96% 12% 95% 9%
Total 214 96% 12% 95% 9%

Sample Statistics
1,2-DICHLOROBENZENE

Characteristic N % % Basis
Plotted 214 100% Spiked
Estimated Values 61 29% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 236 .  
False Negatives 0 0% 0 out of 214
Not Spiked 272 .  
False Positives 0 0% 0 out of 261