BQS OBSP Determination:
4-CHLOROTOLUENE
SCHEDULE: 2021 , TESTIDCODE: 77277GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
4-CHLOROTOLUENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 52 82% 11% 80% 12%
Total 52 82% 11% 80% 12%

Sample Statistics
4-CHLOROTOLUENE

Characteristic N % % Basis
Plotted 52 100% Spiked
Estimated Values 3 6% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 52 .  
False Negatives 0 0% 0 out of 52
Not Spiked 118 .  
False Positives 1 1% 1 out of 118