BQS OBSP Determination:
O-XYLENE
METHOD: 2021 , TESTIDCODE: 77135GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
O-XYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 1 49% . 49% 0%
>= Reporting Level 245 93% 15% 93% 14%
Total 246 92% 15% 93% 14%

Sample Statistics
O-XYLENE

Characteristic N % % Basis
Plotted 246 99% Spiked
Estimated Values 74 30% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 1 0% Spiked
Spiked 276 .  
False Negatives 2 1% 2 out of 249
Not Spiked 232 .  
False Positives 0 0% 0 out of 226