Plot of pctrecov * newdate

Statistics for the Plotted Points
TETRACHLOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 101 95% 24% 100% 17%
Upper Range 19 108% 12% 109% 13%
Total 120 97% 23% 101% 18%

Miscellaneous Statistics for the Samples
TETRACHLOROMETHANE

Characteristic N % % Basis
Plotted 120 99% Spiked
Estimated Values 34 28% Spiked
Deleted Values 3 2% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 124 .  
False Negatives 1 1% 1 out of 121
Not Spiked 38 .  
False Positives 0 0% 0 out of 38