BQS OBSP Determination:
METHYL IODIDE
SCHEDULE: 2021 , TESTIDCODE: 77424GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
METHYL IODIDE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 9 109% 26% 109% 20%
>= Reporting Level 64 112% 13% 111% 13%
Total 73 112% 15% 111% 12%

Sample Statistics
METHYL IODIDE

Characteristic N % % Basis
Plotted 73 100% Spiked
Estimated Values 73 100% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 73 .  
False Negatives 0 0% 0 out of 73
Not Spiked 86 .  
False Positives 2 2% 2 out of 86