BQS ORGANIC BLIND SAMPLES
BENZENE,
Schedule: 2021 Testid: 34030GCM66
Measured in MICROGRAMS PER LITER
01/27/09 TO 12/22/12
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
BENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 51 103% 8% 104% 9%
Total 51 103% 8% 104% 9%

Miscellaneous Statistics for the Samples
BENZENE

Characteristic N % % Basis
Plotted 51 100% Spiked
Estimated Values 14 27% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 51 .  
False Negatives 0 0% 0 out of 51
Not Spiked 95 .  
False Positives 0 0% 0 out of 95