BQS OBSP Determination:
2-BUTANONE
METHOD: 2021 , TESTIDCODE: 81595GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
2-BUTANONE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 5 122% 22% 122% 27%
>= Reporting Level 132 106% 24% 104% 10%
Total 137 106% 24% 104% 10%

Sample Statistics
2-BUTANONE

Characteristic N % % Basis
Plotted 137 85% Spiked
Estimated Values 4 2% Spiked
Deleted Values 33 7% Spiked + Not Spiked
Spiked, Censored 24 15% Spiked
Spiked 178 .  
False Negatives 0 0% 0 out of 161
Not Spiked 329 .  
False Positives 3 1% 3 out of 313