BQS OBSP Determination:
1-METHYLNAPHTHALENE
SCHEDULE: 1433 , TESTIDCODE: 62054GCM37
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
1-METHYLNAPHTHALENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 81 75% 12% 74% 10%
Total 81 75% 12% 74% 10%

Sample Statistics
1-METHYLNAPHTHALENE

Characteristic N % % Basis
Plotted 81 99% Spiked
Estimated Values 3 4% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 82 .  
False Negatives 1 1% 1 out of 82
Not Spiked 89 .  
False Positives 1 1% 1 out of 89