BQS OBSP Determination:
BENZENE
METHOD: 2021 , TESTIDCODE: 34030GCM66
Open Data Set
Plotted Points Statistics
BENZENE
Spike Level
N
Mean
Std-Dev.
Median
F_Pseudo
< Reporting Level
3
90%
29%
107%
38%
>= Reporting Level
245
101%
10%
102%
9%
Total
248
101%
11%
102%
9%
Sample Statistics
BENZENE
Characteristic
N
%
% Basis
Plotted
248
100%
Spiked
Estimated Values
75
30%
Spiked
Deleted Values
33
6%
Spiked + Not Spiked
Spiked, Censored
0
0%
Spiked
Spiked
276
.
False Negatives
0
0%
0 out of 248
Not Spiked
232
.
False Positives
6
3%
6 out of 227