Plot of pctrecov by newdate

Statistics for the Plotted Points
HEPTACHLOR

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 59 74% 15% 72% 14%
Total 59 74% 15% 72% 14%

Miscellaneous Statistics for the Samples
HEPTACHLOR

Characteristic N % % Basis
Plotted 59 98% Spiked
Estimated Values 1 2% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 60 .  
False Negatives 1 2% 1 out of 60
Not Spiked 54 .  
False Positives 17 31% 17 out of 54