Plot of pctrecov * newdate

Statistics for the Plotted Points
HEXACHLOROBUTADIENE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 6 80% 11% 81% 15%
Upper Range 2 78% 6% 78% 7%
Total 8 79% 9% 79% 12%

Miscellaneous Statistics for the Samples
HEXACHLOROBUTADIENE

Characteristic N % % Basis
Plotted 8 100% Spiked
Estimated Values 8 100% Spiked
Deleted Values 2 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 8 .  
False Negatives 0 0% 0 out of 8
Not Spiked 50 .  
False Positives 7 15% 7 out of 48