Table A5. Analyte mass collected (pg/min) in headspace vapor
above silt containing buried U.S. military-grade TNT, at 4C, and
three moisture levels.
Air dry
5.8% moisture
10% moisture
Sample
Rep A
Rep B
Rep A
Rep B
Rep A
Rep B
12 days
1,3-DNB
<d
<d
7.41
4.21
4.89
8.24
1,2-DNB
<d
<d
1.56
0.848
1.06
1.69
2,5-DNT
<d
<d
0.517
0.182
0.277
0.612
2,4-DNT
0.296
0.267
3.43
1.55
2.57
4.54
3,5-DNT
<d
<d
0.908
0.674
0.557
1.12
1,3,5-TNB
<d
<d
<d
<d
<d
<d
2,4,6-TNT
0.577
0.453
0.542
2.18
0.990
1.37
19 days
1,3-DNB
<d
<d
9.56
not done
6.04
21.6
1,2-DNB
<d
<d
1.99
1.30
4.44
2,5-DNT
<d
<d
0.480
0.325
1.27
2,4-DNT
0.193
0.125
8.09
6.15
20.4
3,5-DNT
<d
<d
1.68
1.29
3.90
1,3,5-TNB
<d
<d
<d
<d
<d
2,4,6-TNT
<d
0.480
0.108
0.210
0.617
35 days
1,3-DNB
<d
<d
51.0
31.7
27.6
32.4
1,2-DNB
<d
<d
10.6
5.25
5.02
7.26
2,5-DNT
<d
<d
2.60
0.754
1.46
2.11
2,4-DNT
0.122
0.112
51.3
27.1
31.9
42.7
3,5-DNT
<d
<d
9.89
5.04
6.22
<d
1,3,5-TNB
<d
<d
<d
<d
<d
<d
2,4,6-TNT
<d
<d
0.638
0.655
0.604
0.341
67 days
1,3-DNB
<d
<d
57.6
49.5
38.9
43.2
1,2-DNB
0.036
0.027
10.6
8.48
6.68
8.12
2,5-DNT
<d
<d
2.40
1.53
1.52
2.00
2,4-DNT
0.203
0.116
60.5
47.1
43.4
53.0
3,5-DNT
0.068
<d
11.0
8.67
8.00
9.65
1,3,5-TNB
<d
<d
<d
<d
<d
<d
2,4,6-TNT
0.044
<d
0.604
0.562
1.25
1.09
111 days
1,3-DNB
not done
<d
not done
40.0
not done
32.4
1,2-DNB
<d
6.42
5.65
2,5-DNT
<d
1.23
1.57
2,4-DNT
0.168
42.2
43.8
3,5-DNT
<d
7.88
<d
1,3,5-TNB
<d
<d
<d
2,4,6-TNT
<d
0.411
0.757
173 days
1,3-DNB
not done
<d
not done not done not done not done
1,2-DNB
<d
2,5-DNT
<d
2,4-DNT
0.053
3,5-DNT
<d
1,3,5-TNB
<d
2,4,6-TNT
0.025
2,4,6-TNT
0.096
<d Values were less than the detection limit.
27
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