BQS ORGANIC BLIND SAMPLES
1,1,2,2-TETRACHLOROETHANE,
Schedule: 2021 Testid: 34516GCM66
Measured in MICROGRAMS PER LITER
02/06/09 TO 12/09/12
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
1,1,2,2-TETRACHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 8 114% 15% 114% 13%
>= Reporting Level 49 98% 13% 96% 10%
Total 57 100% 14% 98% 15%

Miscellaneous Statistics for the Samples
1,1,2,2-TETRACHLOROETHANE

Characteristic N % % Basis
Plotted 57 100% Spiked
Estimated Values 2 4% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 57 .  
False Negatives 0 0% 0 out of 57
Not Spiked 89 .  
False Positives 0 0% 0 out of 89