BQS OBSP Determination:
ETHYL METHACRYLATE
METHOD: 2021 , TESTIDCODE: 73570GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
ETHYL METHACRYLATE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 68% 16% 70% 24%
>= Reporting Level 138 92% 12% 90% 10%
Total 141 91% 12% 90% 11%

Sample Statistics
ETHYL METHACRYLATE

Characteristic N % % Basis
Plotted 141 94% Spiked
Estimated Values 11 7% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 5 3% Spiked
Spiked 155 .  
False Negatives 4 3% 4 out of 150
Not Spiked 353 .  
False Positives 0 0% 0 out of 325