Plot of pctrecov by newdate

Statistics for the Plotted Points
1,2-DIBROMOETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 9 103% 15% 104% 20%
>= Reporting Level 42 102% 13% 102% 14%
Total 51 102% 13% 104% 15%

Miscellaneous Statistics for the Samples
1,2-DIBROMOETHANE

Characteristic N % % Basis
Plotted 51 94% Spiked
Estimated Values 21 39% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 54 .  
False Negatives 2 4% 2 out of 54
Not Spiked 119 .  
False Positives 0 0% 0 out of 119