BQS ORGANIC BLIND SAMPLES
NAPROPAMIDE,
Schedule: 2001 Testid: 82684GCM35
Measured in MICROGRAMS PER LITER
05/01/07 TO 11/28/12
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
NAPROPAMIDE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 5 176% 32% 200% 43%
>= Reporting Level 67 96% 19% 91% 15%
Total 72 102% 28% 93% 19%

Miscellaneous Statistics for the Samples
NAPROPAMIDE

Characteristic N % % Basis
Plotted 72 97% Spiked
Estimated Values 5 7% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 2 3% Spiked
Spiked 75 .  
False Negatives 0 0% 0 out of 74
Not Spiked 67 .  
False Positives 1 1% 1 out of 67