BQS OBSP Determination:
M- AND P-XYLENE
METHOD: 2021 , TESTIDCODE: 85795GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
M- AND P-XYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 144 91% 14% 90% 15%
Total 144 91% 14% 90% 15%

Sample Statistics
M- AND P-XYLENE

Characteristic N % % Basis
Plotted 144 100% Spiked
Estimated Values 46 32% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 149 .  
False Negatives 0 0% 0 out of 144
Not Spiked 359 .  
False Positives 52 16% 52 out of 331