BQS ORGANIC BLIND SAMPLES
ANTHRACENE,
Schedule: 1433 Testid: 34221GCM37
Measured in MICROGRAMS PER LITER
02/13/07 TO 01/23/13
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
ANTHRACENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 91 74% 14% 76% 12%
Total 91 74% 14% 76% 12%

Miscellaneous Statistics for the Samples
ANTHRACENE

Characteristic N % % Basis
Plotted 91 99% Spiked
Estimated Values 4 4% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 93 .  
False Negatives 1 1% 1 out of 92
Not Spiked 107 .  
False Positives 2 2% 2 out of 107