Table A4. Analyte mass collected (pg/min) 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
59.4
64.9
49.7
51.4
1,2-DNB
<d
<d
8.80
50.5
8.40
8.44
2,5-DNT
<d
<d
2.50
15.6
1.91
1.85
2,4-DNT
0.145
0.274
49.7
131
51.4
51.3
3,5-DNT
<d
<d
15.8
27.2
15.4
15.0
1,3,5-TNB
<d
<d
<d
<d
<d
<d
2,4,6-TNT
0.652
0.807
1.59
1.71
1.54
1.83
15 days
1,3-DNB
<d
0.861
72.1
81.8
79.7
not done
1,2-DNB
<d
0.220
9.28
8.38
10.9
2,5-DNT
<d
0.088
0.886
1.01
1.28
2,4-DNT
0.132
2.25
125
141
150
3,5-DNT
<d
0.626
20.0
20.8
23.4
1,3,5-TNB
<d
0.169
<d
0.204
<d
2,4,6-TNT
0.079
0.622
1.36
1.18
1.96
22 days
1,3-DNB
<d
<d
75.7
120
69.6
91.7
1,2-DNB
<d
<d
8.36
11.4
10.6
12.6
2,5-DNT
<d
<d
<d
0.969
0.970
1.31
2,4-DNT
0.202
0.144
137
207
148
191
3,5-DNT
<d
<d
<d
32.1
25.0
31.1
1,3,5-TNB
<d
<d
0.201
0.217
0.175
0.212
2,4,6-TNT
0.146
0.077
1.34
2.08
7.17
5.34
34 days
1,3-DNB
0.169
<d
126
95.3
69.8
103
1,2-DNB
0.118
0.209
11.7
10.3
10.9
14.3
2,5-DNT
<d
<d
0.841
0.662
1.05
1.43
2,4-DNT
0.296
0.255
252
213
166
243
3,5-DNT
<d
<d
39.9
<d
29.3
40.7
1,3,5-TNB
<d
<d
0.364
0.361
0.251
0.185
2,4,6-TNT
0.415
0.197
4.69
5.07
14.9
17.3
63 days
1,3-DNB
0.172
<d
129
112
99.6
100
1,2-DNB
0.210
0.228
12.0
10.7
14.3
14.1
2,5-DNT
0.044
<d
0.732
0.643
1.64
1.40
2,4-DNT
0.376
0.140
255
223
204
214
3,5-DNT
0.175
<d
38.6
34.8
33.9
34.2
1,3,5-TNB
<d
<d
0.144
0.236
1.44
1.97
2,4,6-TNT
1.11
0.567
5.22
6.52
19.4
20.2
112 days
1,3-DNB
not done
<d
not done
66.6
not done
61.0
1,2-DNB
0.125
7.20
9.35
2,5-DNT
<d
0.485
1.06
2,4-DNT
0.126
130
131
3,5-DNT
<d
22.7
23.3
1,3,5-TNB
<d
0.891
3.15
2,4,6-TNT
<d
6.10
20.2
173 days
1,3-DNB
not done
0.056
not done not done not done
not done
1,2-DNB
0.042
2,5-DNT
<d
2,4-DNT
0.066
3,5-DNT
<d
1,3,5-TNB
0.048
2,4,6-TNT
0.040
<d Values were less than the detection limit.
26
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