BQS ORGANIC BLIND SAMPLES
NAPHTHALENE,
Schedule: 1433 Testid: 34443GCM37
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
NAPHTHALENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 90 80% 11% 81% 10%
Total 90 80% 11% 81% 10%

Miscellaneous Statistics for the Samples
NAPHTHALENE

Characteristic N % % Basis
Plotted 90 99% Spiked
Estimated Values 2 2% 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 0 0% 0 out of 108