Table A8. Analyte mass collected (pg/min) in headspace vapor
above clay containing buried U.S. military-grade TNT, at 4C,
and three moisture levels.
Air dry
15% moisture
30% moisture
Sample
Rep A
Rep B
Rep A
Rep B
Rep A
Rep B
12 days
1,3-DNB
<d
<d
<d
<d
<d
not done
1,2-DNB
<d
<d
<d
<d
<d
2,5-DNT
<d
<d
<d
<d
<d
2,4-DNT
<d
<d
4.77
2.39
3.77
3,5-DNT
<d
<d
<d
<d
<d
1,3,5-TNB
<d
<d
<d
<d
<d
2,4,6-TNT
<d
<d
<d
<d
<d
19 days
1,3-DNB
<d
<d
<d
0.324
0.291
0.397
1,2-DNB
<d
<d
0.100
0.251
0.115
0.195
2,5-DNT
<d
<d
<d
<d
<d
<d
2,4-DNT
0.130
0.123
0.161
0.213
0.226
0.336
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
35 days
1,3-DNB
<d
<d
1.86
2.45
3.73
1.78
1,2-DNB
<d
<d
0.533
0.794
0.909
0.465
2,5-DNT
<d
<d
<d
<d
<d
<d
2,4-DNT
0.109
0.167
0.293
0.329
2.11
1.04
3,5-DNT
<d
<d
0.235
0.209
0.331
0.377
1,3,5-TNB
<d
<d
<d
<d
<d
<d
2,4,6-TNT
<d
<d
<d
<d
<d
<d
67 days
1,3-DNB
<d
<d
4.05
5.57
2.54
1.33
1,2-DNB
<d
<d
0.596
0.930
0.708
0.384
2,5-DNT
<d
<d
<d
0.029
0.050
<d
2,4-DNT
0.172
0.128
1.74
2.15
6.81
4.18
3,5-DNT
<d
<d
0.494
0.574
0.932
0.535
1,3,5-TNB
<d
<d
<d
<d
<d
<d
2,4,6-TNT
<d
<d
<d
0.028
0.042
0.032
111 days
1,3-DNB
not done
<d
not done
5.74
not done
0.430
1,2-DNB
<d
0.725
0.303
2,5-DNT
<d
0.039
0.035
2,4-DNT
<d
4.52
5.07
3,5-DNT
<d
0.609
0.565
1,3,5-TNB
<d
<d
<d
2,4,6-TNT
<d
0.057
0.069
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
0.044
3,5-DNT
<d
1,3,5-TNB
<d
2,4,6-TNT
0.016
<d Values were less than the detection limit.
30
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