BQS OBSP Determination:
1,2,4-TRIMETHYLBENZENE
METHOD: 2021 , TESTIDCODE: 77222GCM66
Open Data Set
Plotted Points Statistics
1,2,4-TRIMETHYLBENZENE
Spike Level
N
Mean
Std-Dev.
Median
F_Pseudo
< Reporting Level
9
102%
42%
85%
39%
>= Reporting Level
135
87%
14%
85%
14%
Total
144
88%
17%
85%
14%
Sample Statistics
1,2,4-TRIMETHYLBENZENE
Characteristic
N
%
% Basis
Plotted
144
99%
Spiked
Estimated Values
33
23%
Spiked
Deleted Values
33
6%
Spiked + Not Spiked
Spiked, Censored
1
1%
Spiked
Spiked
167
.
False Negatives
0
0%
0 out of 145
Not Spiked
341
.
False Positives
1
0%
1 out of 330