Plot of pctrecov * newdate

Statistics for the Plotted Points
TETRAHYDROFURAN

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 16 130% 39% 118% 40%
>= Reporting Level 32 101% 8% 101% 9%
Total 48 111% 27% 103% 11%

Miscellaneous Statistics for the Samples
TETRAHYDROFURAN

Characteristic N % % Basis
Plotted 48 74% Spiked
Estimated Values 16 25% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 17 26% Spiked
Spiked 65 .  
False Negatives 0 0% 0 out of 65
Not Spiked 114 .  
False Positives 0 0% 0 out of 114