Plot of pctrecov by newdate

Statistics for the Plotted Points
HEXACHLOROBUTADIENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 51 76% 13% 78% 9%
Total 51 76% 13% 78% 9%

Miscellaneous Statistics for the Samples
HEXACHLOROBUTADIENE

Characteristic N % % Basis
Plotted 51 98% Spiked
Estimated Values 22 42% Spiked
Deleted Values 4 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 53 .  
False Negatives 1 2% 1 out of 52
Not Spiked 91 .  
False Positives 17 19% 17 out of 88