BQS OBSP Determination:
1,4-DICHLOROBENZENE
SCHEDULE: 1383 , TESTIDCODE: 34571GCM57
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
1,4-DICHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 61 83% 14% 86% 9%
Total 61 83% 14% 86% 9%

Sample Statistics
1,4-DICHLOROBENZENE

Characteristic N % % Basis
Plotted 61 98% Spiked
Estimated Values 3 5% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 63 .  
False Negatives 1 2% 1 out of 62
Not Spiked 74 .  
False Positives 0 0% 0 out of 73