BQS OBSP Determination:
VINYL CHLORIDE
METHOD: 2021 , TESTIDCODE: 39175GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
VINYL CHLORIDE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 9 109% 11% 109% 13%
>= Reporting Level 127 109% 25% 106% 25%
Total 136 109% 24% 107% 23%

Sample Statistics
VINYL CHLORIDE

Characteristic N % % Basis
Plotted 136 96% Spiked
Estimated Values 12 9% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 5 4% Spiked
Spiked 163 .  
False Negatives 0 0% 0 out of 141
Not Spiked 345 .  
False Positives 2 1% 2 out of 334