BQS ORGANIC BLIND SAMPLES
NITROBENZENE,
Schedule: 1383 Testid: 34447GCM57
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
NITROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 53 97% 21% 96% 12%
Total 53 97% 21% 96% 12%

Miscellaneous Statistics for the Samples
NITROBENZENE

Characteristic N % % Basis
Plotted 53 98% Spiked
Estimated Values 3 6% 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 2 2% 2 out of 82