Table A4. Found concentrations (g/kg) and method detection limits determined from spiked
soils (2 g soil:10 mL acetonitrile) after 18 hr of sonication.
a) Target concentration = 5 g/kg
Rep
1,3-DNB 2,6-DNT
2,4-DNT
TNB
TNT
RDX
4-Am-DNT 3,5-DNA
2-Am-DNT
AEC soil
1
5.0
4.9
5.1
5.6
5.9
5.8
6.2
6.6
8.2
2
4.6
4.5
4.7
9.6
5.8
4.6
4.9
5.4
7.1
3
5.3
5.1
5.3
6.7
5.9
5.9
5.6
6.3
8.1
4
5.2
5.1
5.3
7.3
6.0
6.2
5.9
6.5
7.8
5
5.3
5.2
5.3
6.3
6.0
5.9
5.6
6.2
8.2
6
5.4
5.2
5.4
8.9
6.2
6.9
5.9
6.8
10.1
7
5.4
5.3
5.5
5.6
6.1
7.7
6.5
7.5
9.3
Mean
5.2
5.0
5.2
7.1
6.0
6.1
5.8
6.5
8.4
Std. dev.
0.30
0.26
0.28
1.6
0.14
0.99
0.51
0.65
1.0
MDL
0.93
0.81
0.88
4.9
0.45
3.1
1.6
2.0
3.1
Ottawa sand
1
5.8
5.5
5.8
12.3
10.3
10.4
6.5
7.9
7.5
2
5.9
5.5
5.9
12.3
10.7
9.5
6.6
7.9
7.7
3
5.2
4.9
5.3
11.1
8.5
7.8
5.5
6.4
6.1
4
5.6
5.4
5.7
11.9
9.0
8.0
6.2
7.5
7.1
5
5.6
5.5
5.7
12.1
9.6
9.4
6.5
7.5
7.3
6
5.8
5.5
5.8
11.3
9.3
7.6
5.4
6.3
6.2
7
5.6
5.5
5.7
11.3
9.9
9.7
6.4
7.6
7.2
Mean
5.6
5.4
5.7
11.8
9.6
8.9
6.2
7.3
7.0
Std. dev.
0.23
0.22
0.22
0.52
0.76
1.09
0.47
0.66
0.64
MDL
0.73
0.69
0.69
1.6
2.4
3.4
1.5
2.1
2.0
b) Target concentration = 50 g/kg
Rep
NB
o-NT
m-NT
p-NT
NG
PETN
Tetryl
HMX
AEC soil
1
43
45
62
53
57
63
56
47
2
42
46
57
51
54
61
42
36
3
47
50
61
54
57
60
41
44
4
46
52
63
52
32
34
48
23
5
49
52
64
55
52
57
37
42
6
48
51
63
55
51
56
33
31
7
56
56
69
60
64
70
95
35
Mean
47
50
63
54
53
57
50
37
Std. dev.
4.5
3.9
3.4
3.0
9.9
11
21
8.2
MDL
14
12
11
9.5
31
35
66
26
Ottawa sand
1
37
50
56
43
64
66
96
80
2
46
54
55
46
59
59
88
62
3
49
57
54
36
66
68
102
78
4
37
50
49
41
62
62
95
79
5
49
58
53
43
64
63
94
78
6
46
58
54
39
72
74
107
86
7
48
57
47
39
61
61
93
67
Mean
45
55
53
41
64
65
96
76
Std. dev.
5.4
3.8
3.4
3.1
4.1
5.2
6.3
8.0
MDL
17
12
11
10
13
16
20
25
36
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