BQS OBSP Determination:
BUTYLBENZENE
METHOD: 2021 , TESTIDCODE: 77342GCM66
Open Data Set
Plotted Points Statistics
BUTYLBENZENE
Spike Level
N
Mean
Std-Dev.
Median
F_Pseudo
< Reporting Level
17
88%
25%
87%
25%
>= Reporting Level
129
81%
15%
79%
14%
Total
146
82%
17%
79%
15%
Sample Statistics
BUTYLBENZENE
Characteristic
N
%
% Basis
Plotted
146
100%
Spiked
Estimated Values
21
14%
Spiked
Deleted Values
33
6%
Spiked + Not Spiked
Spiked, Censored
0
0%
Spiked
Spiked
174
.
False Negatives
0
0%
0 out of 146
Not Spiked
334
.
False Positives
1
0%
1 out of 329