Table A9. Recovery (%) from 25-g soil samples spiked at 10 g/kg and aged 24 hr prior to
extraction with 50 mL acetonitrile.
Reps
1,4-DNB
1,2-DNB
2,4-DNT
TNT
4-Am-DNT
2-Am-DNT
No soil
1
88%
92%
88%
85%
94%
94%
2
91%
91%
89%
115%
92%
92%
1 rep injection
94%
91%
96%
86%
91%
93%
2 rep injection
97%
94%
106%
123%
90%
90%
AEC
1
35%
45%
39%
54%
43%
2
16%
20%
*
18%
17%
3
*
9%
*
*
*
4
*
18%
14%
16%
13%
5
*
16%
15%
16%
15%
Silt
1
15%
19%
17%
20%
15%
no peak
2
15%
17%
17%
17%
15%
no peak
3
13%
16%
14%
15%
14%
no peak
4
*
*
*
9%
*
no peak
5
13%
15%
16%
17%
14%
15%
Wet silt
1
*
37%
*
32%
no peak
2
*
27%
*
23%
no peak
3
*
68%
*
69%
no peak
4
*
84%
*
81%
no peak
5
*
81%
64%
74%
no peak
*Peak detected, but too small for automatic integration.
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