Plot of pctrecov by newdate

Statistics for the Plotted Points
HEXACHLOROBUTADIENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 49 76% 13% 78% 9%
Total 49 76% 13% 78% 9%

Miscellaneous Statistics for the Samples
HEXACHLOROBUTADIENE

Characteristic N % % Basis
Plotted 49 98% Spiked
Estimated Values 32 64% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 50 .  
False Negatives 1 2% 1 out of 50
Not Spiked 97 .  
False Positives 17 18% 17 out of 95