BQS ORGANIC BLIND SAMPLES
BENZ[A]ANTHRACENE,
Schedule: 1383 Testid: 34526GCM57
Measured in MICROGRAMS PER LITER
04/13/07 TO 09/18/12
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
BENZ[A]ANTHRACENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 78% 4% 78% 4%
>= Reporting Level 51 77% 11% 76% 8%
Total 53 77% 11% 76% 7%

Miscellaneous Statistics for the Samples
BENZ[A]ANTHRACENE

Characteristic N % % Basis
Plotted 53 98% Spiked
Estimated Values 6 11% Spiked
Deleted Values 4 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 55 .  
False Negatives 1 2% 1 out of 54
Not Spiked 85 .  
False Positives 1 1% 1 out of 82