BQS ORGANIC BLIND SAMPLES
TETRACHLOROETHYLENE
Permanently Estimated Compound
Schedule: 1433 Testid: 34476GCM37
02/13/07 TO 01/23/13
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
TETRACHLOROETHYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 25% 11% 25% 12%
>= Reporting Level 83 25% 11% 25% 12%
Total 85 25% 11% 25% 12%

Miscellaneous Statistics for the Samples
TETRACHLOROETHYLENE

Characteristic N % % Basis
Plotted 85 97% Spiked
Estimated Values 85 97% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 1 1% Spiked
Spiked 89 .  
False Negatives 2 2% 2 out of 88
Not Spiked 111 .  
False Positives 0 0% 0 out of 111