Plot of pctrecov * newdate

Statistics for the Plotted Points
NAPHTHALENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 7 85% 15% 83% 16%
>= Reporting Level 65 84% 17% 81% 17%
Total 72 84% 16% 81% 17%

Miscellaneous Statistics for the Samples
NAPHTHALENE

Characteristic N % % Basis
Plotted 72 81% Spiked
Estimated Values 16 18% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 13 15% Spiked
Spiked 89 .  
False Negatives 4 4% 4 out of 89
Not Spiked 90 .  
False Positives 0 0% 0 out of 90