BQS ORGANIC BLIND SAMPLES
BENZO[A]PYRENE,
Schedule: 4433 Testid: 34247GCM99
Measured in MICROGRAMS PER LITER
12/02/09 TO 12/20/12
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
BENZO[A]PYRENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 60% 11% 60% 11%
>= Reporting Level 34 80% 19% 85% 22%
Total 36 79% 20% 83% 22%

Miscellaneous Statistics for the Samples
BENZO[A]PYRENE

Characteristic N % % Basis
Plotted 36 100% Spiked
Estimated Values 7 19% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 36 .  
False Negatives 0 0% 0 out of 36
Not Spiked 38 .  
False Positives 1 3% 1 out of 38