BQS OBSP Determination:
CHLORODIFLUOROMETHANE
METHOD: 4440 , TESTIDCODE: 45028GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
CHLORODIFLUOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 7 92% 13% 92% 13%
>= Reporting Level 16 113% 17% 111% 16%
Total 23 106% 18% 106% 19%

Sample Statistics
CHLORODIFLUOROMETHANE

Characteristic N % % Basis
Plotted 23 100% Spiked
Estimated Values 1 4% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 23 .  
False Negatives 0 0% 0 out of 23
Not Spiked 13 .  
False Positives 0 0% 0 out of 13