BQS OBSP Determination:
PARATHION-METHYL
SCHEDULE: 2033 , TESTIDCODE: 82667GCM35
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
PARATHION-METHYL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 177% 33% 167% 35%
>= Reporting Level 60 87% 21% 85% 18%
Total 64 92% 31% 86% 18%

Sample Statistics
PARATHION-METHYL

Characteristic N % % Basis
Plotted 64 100% Spiked
Estimated Values 4 6% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 64 .  
False Negatives 0 0% 0 out of 64
Not Spiked 118 .  
False Positives 0 0% 0 out of 118