BQS OBSP Determination:
DIBROMOCHLOROMETHANE
METHOD: 2021 , TESTIDCODE: 32105GCM66
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
DIBROMOCHLOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 43 93% 15% 92% 15%
>= Reporting Level 177 101% 13% 101% 12%
Total 220 100% 14% 99% 12%

Sample Statistics
DIBROMOCHLOROMETHANE

Characteristic N % % Basis
Plotted 220 99% Spiked
Estimated Values 43 19% Spiked
Deleted Values 33 6% Spiked + Not Spiked
Spiked, Censored 2 1% Spiked
Spiked 249 .  
False Negatives 0 0% 0 out of 222
Not Spiked 259 .  
False Positives 0 0% 0 out of 253