OBSP Determination:
ATRAZINE
METHOD: 2440 , TESTIDCODE: 65065LCM56
Plotted Points Statistics
ATRAZINE
Spike Level
N
Mean
Std-Dev.
Median
F_Pseudo
< Reporting Level
2
70%
1%
70%
1%
>= Reporting Level
50
84%
13%
84%
12%
Total
52
83%
13%
83%
12%
Sample Statistics
ATRAZINE
Characteristic
N
%
% Basis
Plotted
52
93%
Spiked
Estimated Values
11
20%
Spiked
Deleted Values
0
0%
Spiked + Not Spiked
Spiked, Censored
0
0%
Spiked
Spiked
56
.
False Negatives
4
7%
4 out of 56
Not Spiked
30
.
False Positives
5
17%
5 out of 30