Plot of pctrecov by newdate

Statistics for the Plotted Points
METOLACHLOR

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 128% 10% 133% 8%
>= Reporting Level 122 119% 23% 116% 24%
Total 126 119% 23% 116% 24%

Miscellaneous Statistics for the Samples
METOLACHLOR

Characteristic N % % Basis
Plotted 126 99% Spiked
Estimated Values 3 2% Spiked
Deleted Values 1 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 127 .  
False Negatives 1 1% 1 out of 127
Not Spiked 95 .  
False Positives 1 1% 1 out of 94