Table A5. Found concentrations (g/kg) and recoveries determined from 2-g spiked soil samples
extracted with 10 mL acetonitrile by 18 hr of sonication. Target concentration was 50 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
51
53
53
50
54
50
51
52
55
2
51
52
52
44
54
48
52
52
55
3
51
52
52
42
53
49
50
52
56
4
47
49
49
50
51
38
45
45
48
5
52
53
53
39
54
47
50
51
55
6
51
53
53
32
52
40
45
43
48
7
53
55
54
60
57
53
54
54
58
Mean
51
52
52
45
54
46
50
50
54
Recovery
102%
105%
105%
91%
107%
93%
99%
100%
107%
Std. dev.
1.7
1.9
1.8
8.9
2.1
5.3
3.5
4.0
3.9
RSD (%)
3.4%
3.6%
3.4%
19.6%
3.9%
11.4%
7.1%
8.1%
7.3%
Ottawa sand
1
52
53
53
62
61
60
55
58
57
2
51
52
53
59
58
53
50
51
52
3
54
54
55
63
61
61
53
57
58
4
52
53
53
62
59
59
52
55
57
5
53
54
54
64
61
58
52
55
55
6
55
55
55
68
61
66
57
60
61
7
53
54
54
62
57
56
51
53
54
Mean
53
54
54
63
60
59
53
56
56
Recovery
106%
107%
108%
126%
120%
118%
106%
111%
113%
Std. dev.
1.2
1.0
1.0
2.7
1.6
4.0
2.5
3.1
2.9
RSD (%)
2.4%
1.8%
1.9%
4.3%
2.6%
6.9%
4.8%
5.6%
5.2%
37