OBSP Determination:
TETRACHLOROETHYLENE
METHOD: 4440 , TESTIDCODE: 34475GCM66
Plotted Points Statistics
TETRACHLOROETHYLENE
Spike Level
N
Mean
Std-Dev.
Median
F_Pseudo
>= Reporting Level
34
113%
20%
111%
23%
Total
34
113%
20%
111%
23%
Sample Statistics
TETRACHLOROETHYLENE
Characteristic
N
%
% Basis
Plotted
34
100%
Spiked
Estimated Values
0
0%
Spiked
Deleted Values
0
0%
Spiked + Not Spiked
Spiked, Censored
0
0%
Spiked
Spiked
34
.
False Negatives
0
0%
0 out of 34
Not Spiked
23
.
False Positives
1
4%
1 out of 23