BQS OBSP Determination:
4-CHLOROTOLUENE
METHOD: 2021 , TESTIDCODE: 77277GCM66
Open Data Set
Plotted Points Statistics
4-CHLOROTOLUENE
Spike Level
N
Mean
Std-Dev.
Median
F_Pseudo
< Reporting Level
7
82%
18%
87%
14%
>= Reporting Level
149
91%
15%
90%
15%
Total
156
91%
15%
90%
15%
Sample Statistics
4-CHLOROTOLUENE
Characteristic
N
%
% Basis
Plotted
156
100%
Spiked
Estimated Values
39
25%
Spiked
Deleted Values
1
0%
Spiked + Not Spiked
Spiked, Censored
0
0%
Spiked
Spiked
157
.
False Negatives
0
0%
0 out of 156
Not Spiked
319
.
False Positives
1
0%
1 out of 319