BQS ORGANIC BLIND SAMPLES
CAFFEINE,
Schedule: 1433 Testid: 50305GCM37
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
CAFFEINE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 90 91% 13% 92% 13%
Total 90 91% 13% 92% 13%

Miscellaneous Statistics for the Samples
CAFFEINE

Characteristic N % % Basis
Plotted 90 99% Spiked
Estimated Values 5 5% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 92 .  
False Negatives 1 1% 1 out of 91
Not Spiked 108 .  
False Positives 2 2% 2 out of 108