Plot of pctrecov by newdate

Statistics for the Plotted Points
BENZ[A]ANTHRACENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 72% 8% 72% 10%
>= Reporting Level 48 77% 12% 76% 8%
Total 52 76% 11% 76% 8%

Miscellaneous Statistics for the Samples
BENZ[A]ANTHRACENE

Characteristic N % % Basis
Plotted 52 100% Spiked
Estimated Values 10 19% Spiked
Deleted Values 4 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 53 .  
False Negatives 0 0% 0 out of 52
Not Spiked 91 .  
False Positives 1 1% 1 out of 88