BQS ORGANIC BLIND SAMPLES
2-METHYLNAPHTHALENE,
Schedule: 4433 Testid: 30194GCM99
Measured in MICROGRAMS PER LITER
12/02/09 TO 12/20/12
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
2-METHYLNAPHTHALENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 72% 1% 72% 1%
>= Reporting Level 34 82% 15% 82% 13%
Total 36 82% 15% 81% 12%

Miscellaneous Statistics for the Samples
2-METHYLNAPHTHALENE

Characteristic N % % Basis
Plotted 36 100% Spiked
Estimated Values 5 14% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 36 .  
False Negatives 0 0% 0 out of 36
Not Spiked 38 .  
False Positives 1 3% 1 out of 38