Plot of pctrecov * newdate

Statistics for the Plotted Points
TETRACHLOROETHYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 67 97% 11% 97% 13%
Upper Range 19 96% 16% 98% 20%
< Reporting Level 35 96% 15% 100% 10%
Total 121 97% 13% 99% 12%

Miscellaneous Statistics for the Samples
TETRACHLOROETHYLENE

Characteristic N % % Basis
Plotted 121 100% Spiked
Estimated Values 56 46% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 123 .  
False Negatives 0 0% 0 out of 121
Not Spiked 39 .  
False Positives 5 13% 5 out of 39