Table A12. Analyte concentration (pg/mL) 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
0.016
0.014
0.108
0.098
0.068
0.049
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
0.055
0.028
0.043
0.020
0.047
0.021
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
1.02
0.981
0.355
0.829
1,2-DNB
<d
<d
0.104
0.098
0.037
0.079
2,5-DNT
<d
<d
0.046
0.045
0.017
0.037
2,4-DNT
0.046
0.044
0.038
0.046
0.044
0.044
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
3.92
4.45
2.81
3.78
1,2-DNB
<d
<d
0.406
0.434
0.273
0.359
2,5-DNT
<d
<d
0.185
0.208
0.115
0.172
2,4-DNT
0.026
0.025
0.501
0.500
0.217
0.415
3,5-DNT
<d
<d
0.067
0.062
<d
0.054
1,3,5-TNB
<d
<d
0.021
<d
<d
0.019
2,4,6-TNT
<d
<d
0.014
0.013
0.008
0.014
110 days
1,3-DNB
not done
<d
not done
7.76
not done
7.43
1,2-DNB
0.032
0.831
0.764
2,5-DNT
<d
0.403
0.365
2,4-DNT
0.026
1.38
1.31
3,5-DNT
<d
0.218
0.203
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
0.074
2,5-DNT
<d
2,4-DNT
0.010
3,5-DNT
<d
1,3,5-TNB
<d
2,4,6-TNT
0.016
<d Values were less than the detection limit.
34
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