Plot of pctrecov * newdate

Statistics for the Plotted Points
BUTYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 7 91% 24% 92% 39%
>= Reporting Level 40 91% 16% 91% 15%
Total 47 91% 17% 92% 18%

Miscellaneous Statistics for the Samples
BUTYLBENZENE

Characteristic N % % Basis
Plotted 47 100% Spiked
Estimated Values 9 19% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 47 .  
False Negatives 0 0% 0 out of 47
Not Spiked 132 .  
False Positives 0 0% 0 out of 132