BQS OBSP Determination:
DICHLORODIFLUOROMETHANE
METHOD: 2021 , TESTIDCODE: 34668GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
DICHLORODIFLUOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 17 128% 30% 126% 24%
>= Reporting Level 124 110% 30% 103% 28%
Total 141 112% 31% 108% 30%

Sample Statistics
DICHLORODIFLUOROMETHANE

Characteristic N % % Basis
Plotted 141 100% Spiked
Estimated Values 141 100% Spiked
Deleted Values 32 6% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 162 .  
False Negatives 0 0% 0 out of 141
Not Spiked 339 .  
False Positives 0 0% 0 out of 328