BQS ORGANIC BLIND SAMPLES
TETRACHLOROETHYLENE,
Schedule: 2021 Testid: 34475GCM66
Measured in MICROGRAMS PER LITER
01/27/09 TO 12/09/12
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 50 98% 12% 100% 16%
Total 50 98% 12% 100% 16%

Miscellaneous Statistics for the Samples
TETRACHLOROETHYLENE

Characteristic N % % Basis
Plotted 50 100% Spiked
Estimated Values 9 18% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 50 .  
False Negatives 0 0% 0 out of 50
Not Spiked 96 .  
False Positives 16 17% 16 out of 96