Plot of pctrecov by newdate

Statistics for the Plotted Points
HEXACHLOROBUTADIENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 47 78% 13% 80% 9%
Total 47 78% 13% 80% 9%

Miscellaneous Statistics for the Samples
HEXACHLOROBUTADIENE

Characteristic N % % Basis
Plotted 47 98% Spiked
Estimated Values 38 79% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 48 .  
False Negatives 1 2% 1 out of 48
Not Spiked 92 .  
False Positives 18 20% 18 out of 90