Table A15. Analyte concentration (pg/mL) in headspace vapor
above silt containing buried U.S. military-grade TNT, at
12C, and three moisture levels.
Air dry
5.8% moisture
10% 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
0.046
0.032
0.047
0.029
0.043
0.013
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
0.058
0.020
0.025
0.062
0.027
0.031
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
0.042
0.021
<d
<d
36 days
1,3-DNB
<d
<d
0.038
<d
<d
<d
1,2-DNB
<d
<d
<d
<d
<d
<d
2,5-DNT
<d
<d
<d
<d
<d
<d
2,4-DNT
0.033
0.036
0.034
0.029
0.035
0.028
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
0.048
<d
<d
<d
69 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
0.025
0.029
0.021
0.020
0.034
0.034
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
110 days
1,3-DNB
not done
<d
not done
<d
not done
<d
1,2-DNB
<d
0.016
<d
2,5-DNT
<d
<d
<d
2,4-DNT
0.024
0.026
0.013
3,5-DNT
<d
<d
<d
1,3,5-TNB
<d
<d
<d
2,4,6-TNT
<d
<d
<d
173 days
1,3-DNB
not done
<d
not done
0.168
not done
<d
1,2-DNB
<d
0.081
0.009
2,5-DNT
<d
<d
<d
2,4-DNT
0.037
0.018
0.010
3,5-DNT
<d
<d
<d
1,3,5-TNB
<d
<d
0.012
2,4,6-TNT
0.163
0.016
0.006
<d Values were less than the detection limit.
37
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