Plot of pctrecov by newdate

Statistics for the Plotted Points
HEXACHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 76% 19% 76% 20%
>= Reporting Level 37 78% 16% 80% 14%
Total 39 78% 16% 80% 16%

Miscellaneous Statistics for the Samples
HEXACHLOROETHANE

Characteristic N % % Basis
Plotted 39 100% Spiked
Estimated Values 39 100% Spiked
Deleted Values 2 2% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 41 .  
False Negatives 0 0% 0 out of 39
Not Spiked 82 .  
False Positives 3 4% 3 out of 82