BQS OBSP Determination:
1,4-DICHLOROBENZENE
SCHEDULE: 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 81 70% 10% 70% 10%
Total 81 70% 10% 70% 10%

Sample Statistics
1,4-DICHLOROBENZENE

Characteristic N % % Basis
Plotted 81 99% Spiked
Estimated Values 9 11% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 82 .  
False Negatives 1 1% 1 out of 82
Not Spiked 89 .  
False Positives 1 1% 1 out of 89