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 42 78% 26% 77% 24%
Total 45 77% 26% 76% 24%

Miscellaneous Statistics for the Samples
BENZO[GHI]PERYLENE

Characteristic N % % Basis
Plotted 45 100% Spiked
Estimated Values 11 24% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 47 .  
False Negatives 0 0% 0 out of 45
Not Spiked 93 .  
False Positives 2 2% 2 out of 93