BQS OBSP Determination:
1,4-DICHLOROBENZENE
METHOD: 1433 , TESTIDCODE: 34572GCM37
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
1,4-DICHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 34 70% 9% 72% 8%
Total 34 70% 9% 72% 8%

Sample Statistics
1,4-DICHLOROBENZENE

Characteristic N % % Basis
Plotted 34 100% Spiked
Estimated Values 1 3% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 34 .  
False Negatives 0 0% 0 out of 34
Not Spiked 18 .  
False Positives 0 0% 0 out of 18