BQS OBSP Determination:
1,2,4-TRICHLOROBENZENE
METHOD: 2021 , 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 14 94% 29% 95% 34%
>= Reporting Level 118 88% 10% 89% 11%
Total 132 89% 13% 89% 11%

Sample Statistics
1,2,4-TRICHLOROBENZENE

Characteristic N % % Basis
Plotted 132 98% Spiked
Estimated Values 20 15% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 3 2% Spiked
Spiked 163 .  
False Negatives 0 0% 0 out of 135
Not Spiked 345 .  
False Positives 1 0% 1 out of 340