BQS ORGANIC BLIND SAMPLES
N-NITROSODIPHENYLAMINE,
Schedule: 1383 Testid: 34433GCM57
Measured in MICROGRAMS PER LITER
04/28/07 TO 01/08/13
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
N-NITROSODIPHENYLAMINE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 54% 20% 57% 21%
>= Reporting Level 44 58% 18% 60% 20%
Total 48 57% 18% 60% 20%

Miscellaneous Statistics for the Samples
N-NITROSODIPHENYLAMINE

Characteristic N % % Basis
Plotted 48 94% Spiked
Estimated Values 11 22% Spiked
Deleted Values 4 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 54 .  
False Negatives 3 6% 3 out of 51
Not Spiked 86 .  
False Positives 1 1% 1 out of 85