BQS OBSP Determination:
1,2,4-TRICHLOROBENZENE
METHOD: 4440 , TESTIDCODE: 34551GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
1,2,4-TRICHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 23 89% 11% 90% 9%
Total 23 89% 11% 90% 9%

Sample Statistics
1,2,4-TRICHLOROBENZENE

Characteristic N % % Basis
Plotted 23 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 23 .  
False Negatives 0 0% 0 out of 23
Not Spiked 13 .  
False Positives 0 0% 0 out of 13