BQS OBSP Determination:
TETRACHLOROETHYLENE
METHOD: 4440 , TESTIDCODE: 34475GCM66
Open Data Set
Plotted Points Statistics
TETRACHLOROETHYLENE
Spike Level
N
Mean
Std-Dev.
Median
F_Pseudo
>= Reporting Level
47
112%
17%
113%
20%
Total
47
112%
17%
113%
20%
Sample Statistics
TETRACHLOROETHYLENE
Characteristic
N
%
% Basis
Plotted
47
100%
Spiked
Estimated Values
0
0%
Spiked
Deleted Values
0
0%
Spiked + Not Spiked
Spiked, Censored
0
0%
Spiked
Spiked
47
.
False Negatives
0
0%
0 out of 47
Not Spiked
26
.
False Positives
5
19%
5 out of 26