OBSP Determination:
PIPERONYL BUTOXIDE
METHOD: 2440 , TESTIDCODE: 67435LCM56
Plotted Points Statistics
PIPERONYL BUTOXIDE
Spike Level
N
Mean
Std-Dev.
Median
F_Pseudo
< Reporting Level
23
170%
391%
52%
23%
>= Reporting Level
23
59%
48%
40%
25%
Total
46
114%
281%
46%
25%
Sample Statistics
PIPERONYL BUTOXIDE
Characteristic
N
%
% Basis
Plotted
46
81%
Spiked
Estimated Values
39
68%
Spiked
Deleted Values
0
0%
Spiked + Not Spiked
Spiked, Censored
9
16%
Spiked
Spiked
57
.
False Negatives
2
4%
2 out of 57
Not Spiked
29
.
False Positives
0
0%
0 out of 29