Plot of pctrecov by newdate

Statistics for the Plotted Points
ATRAZINE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 114% 16% 114% 15%
>= Reporting Level 109 116% 16% 116% 13%
Total 113 116% 16% 115% 13%

Miscellaneous Statistics for the Samples
ATRAZINE

Characteristic N % % Basis
Plotted 113 99% Spiked
Estimated Values 4 4% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 114 .  
False Negatives 1 1% 1 out of 114
Not Spiked 85 .  
False Positives 1 1% 1 out of 84