Table A13. Analyte concentration (pg/mL) in headspace vapor
above silt containing buried U.S. military-grade TNT, at 23C,
and three moisture levels.
Air dry
5.8% moisture
10% moisture
Sample
Rep A
Rep B
Rep A
Rep B
Rep A
Rep B
6 days
1,3-DNB
<d
<d
13.8
15.1
11.6
12.0
1,2-DNB
<d
<d
2.05
11.7
1.95
1.96
2,5-DNT
<d
<d
0.580
3.63
0.444
0.431
2,4-DNT
0.032
0.061
11.0
29.1
11.4
11.4
3,5-DNT
<d
<d
3.67
6.33
3.57
3.49
1,3,5-TNB
<d
<d
<d
<d
<d
<d
2,4,6-TNT
0.283
0.351
0.690
0.743
0.668
0.794
15 days
1,3-DNB
<d
0.200
16.8
19.0
18.5
not done
1,2-DNB
<d
0.051
2.16
1.95
2.54
2,5-DNT
<d
0.021
0.206
0.234
0.297
2,4-DNT
0.029
0.499
27.7
31.2
33.4
3,5-DNT
<d
0.146
4.64
4.83
5.44
1,3,5-TNB
<d
0.073
0
0.089
0
2,4,6-TNT
0.034
0.271
0.592
0.515
0.854
22 days
1,3-DNB
<d
<d
17.6
27.9
16.2
21.3
1,2-DNB
<d
<d
1.94
2.66
2.46
2.93
2,5-DNT
<d
<d
0
0.225
0.225
0.305
2,4-DNT
0.045
0.032
30.5
46.1
33.0
42.5
3,5-DNT
<d
<d
0
7.47
5.81
7.24
1,3,5-TNB
<d
<d
0.088
0.094
0.076
0.092
2,4,6-TNT
0.063
0.033
0.584
0.902
3.12
2.32
34 days
1,3-DNB
0.039
<d
29.3
22.2
16.2
23.9
1,2-DNB
0.028
0.049
2.72
2.40
2.52
3.32
2,5-DNT
<d
<d
0.195
0.154
0.243
0.332
2,4-DNT
0.066
0.057
56.0
47.2
36.9
54.0
3,5-DNT
<d
<d
9.28
0
6.81
9.48
1,3,5-TNB
<d
<d
0.158
0.157
0.109
0.080
2,4,6-TNT
0.180
0.086
2.04
2.21
6.47
7.51
63 days
1,3-DNB
0.040
<d
30.0
26.0
23.2
23.3
1,2-DNB
0.049
0.053
2.79
2.48
3.32
3.29
2,5-DNT
0.010
<d
0.170
0.150
0.382
0.325
2,4-DNT
0.083
0.031
56.7
49.6
45.4
47.5
3,5-DNT
0.041
<d
8.98
8.10
7.88
7.96
1,3,5-TNB
<d
<d
0.063
0.103
0.624
0.855
2,4,6-TNT
0.482
0.247
2.27
2.83
8.46
8.79
112 days
1,3-DNB
not done
<d
not done
15.5
not done
14.2
1,2-DNB
0.029
1.67
2.17
2,5-DNT
<d
0.113
0.245
2,4-DNT
0.028
28.9
29.1
3,5-DNT
<d
5.28
5.42
1,3,5-TNB
<d
0.388
1.37
2,4,6-TNT
<d
2.65
8.77
173 days
1,3-DNB
not done
0.013
not done not done not done not done
1,2-DNB
0.010
2,5-DNT
<d
2,4-DNT
0.015
3,5-DNT
<d
1,3,5-TNB
0.021
2,4,6-TNT
0.017
<d Values were less than the detection limit.
35
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