Plot of pctrecov * newdate

Statistics for the Plotted Points
TETRACHLOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 69 93% 25% 100% 18%
Upper Range 17 105% 11% 100% 13%
< Reporting Level 1 115% . 115% 0%
Total 87 95% 24% 100% 17%

Miscellaneous Statistics for the Samples
TETRACHLOROMETHANE

Characteristic N % % Basis
Plotted 87 98% Spiked
Estimated Values 17 19% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 89 .  
False Negatives 2 2% 2 out of 89
Not Spiked 57 .  
False Positives 0 0% 0 out of 57