BQS OBSP Determination:
Para-Nonylphenol
SCHEDULE: 1433 , TESTIDCODE: 62085GCM37
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
Para-Nonylphenol

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 7 68% 15% 75% 15%
>= Reporting Level 55 131% 179% 66% 23%
Total 62 124% 170% 67% 18%

Sample Statistics
Para-Nonylphenol

Characteristic N % % Basis
Plotted 62 93% Spiked
Estimated Values 62 93% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 67 .  
False Negatives 5 7% 5 out of 67
Not Spiked 104 .  
False Positives 12 12% 12 out of 104