Plot of pctrecov by newdate

Statistics for the Plotted Points
BENZO[GHI]PERYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 63% 21% 56% 30%
>= Reporting Level 36 82% 33% 77% 29%
Total 39 80% 33% 76% 29%

Miscellaneous Statistics for the Samples
BENZO[GHI]PERYLENE

Characteristic N % % Basis
Plotted 39 100% Spiked
Estimated Values 12 31% 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 2 2% 2 out of 82