Table A3. Analyte mass collected (pg/min) in headspace vapor
above sand containing buried U.S. military-grade TNT, at 12C,
and three moisture levels.
Air dry
2.1% moisture
3.1% moisture
Sample
Rep A
Rep B
Rep A
Rep B
Rep A
Rep B
13 days
1,3-DNB
<d
<d
<d
<d
<d
<d
1,2-DNB
<d
<d
<d
<d
<d
<d
2,5-DNT
<d
<d
<d
<d
<d
<d
2,4-DNT
0.072
0.063
0.487
0.440
0.306
0.219
3,5-DNT
<d
<d
<d
<d
<d
<d
1,3,5-TNB
<d
<d
<d
<d
<d
<d
2,4,6-TNT
<d
<d
<d
<d
<d
<d
20 days
1,3-DNB
<d
<d
<d
<d
<d
<d
1,2-DNB
<d
<d
<d
<d
<d
<d
2,5-DNT
<d
<d
<d
<d
<d
<d
2,4-DNT
0.245
0.127
0.193
0.089
0.212
0.095
3,5-DNT
<d
<d
<d
<d
<d
<d
1,3,5-TNB
<d
<d
<d
<d
<d
<d
2,4,6-TNT
<d
<d
<d
<d
<d
<d
36 days
1,3-DNB
<d
<d
4.36
4.22
1.53
3.56
1,2-DNB
<d
<d
0.446
0.420
0.158
0.339
2,5-DNT
<d
<d
0.197
0.192
0.075
0.159
2,4-DNT
0.206
0.199
0.169
0.209
0.199
0.199
3,5-DNT
<d
<d
<d
<d
<d
<d
1,3,5-TNB
<d
<d
<d
<d
<d
<d
2,4,6-TNT
<d
<d
<d
<d
<d
<d
69 days
1,3-DNB
<d
<d
16.9
19.1
12.1
16.3
1,2-DNB
<d
<d
1.74
1.87
1.17
1.54
2,5-DNT
<d
<d
0.796
0.895
0.496
0.740
2,4-DNT
0.118
0.112
2.25
2.25
0.977
1.87
3,5-DNT
<d
<d
0.290
0.266
<d
0.231
1,3,5-TNB
<d
<d
0.048
<d
<d
0.044
2,4,6-TNT
<d
<d
0.033
0.029
0.019
0.033
110 days
1,3-DNB
not done
<d
not done
33.4
not done
32.0
1,2-DNB
0.139
3.57
3.28
2,5-DNT
<d
1.73
1.57
2,4-DNT
0.119
6.19
5.89
3,5-DNT
<d
0.938
0.871
1,3,5-TNB
<d
<d
<d
2,4,6-TNT
<d
<d
<d
173 days
1,3-DNB
not done
<d
not done not done
not done not done
1,2-DNB
0.316
2,5-DNT
<d
2,4-DNT
0.046
3,5-DNT
<d
1,3,5-TNB
<d
2,4,6-TNT
0.036
<d Values were less than the detection limit.
25
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