BQS OBSP Determination:
HEXACHLOROBUTADIENE
METHOD: 2021 , TESTIDCODE: 39702GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
HEXACHLOROBUTADIENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 13 101% 32% 103% 16%
>= Reporting Level 116 90% 11% 90% 11%
Total 129 92% 15% 90% 12%

Sample Statistics
HEXACHLOROBUTADIENE

Characteristic N % % Basis
Plotted 129 99% Spiked
Estimated Values 14 11% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 1 1% Spiked
Spiked 152 .  
False Negatives 0 0% 0 out of 130
Not Spiked 356 .  
False Positives 1 0% 1 out of 345