100
2,4-DNT
All Soils
PMA-1A
Surface Soils
90
80
70
60
a. 2,4-dinitrotoluene.
50
40
30
20
10
0
Aug 98
Nov 98
Apr 99
Jul 99
Nov 99
100
2-ADNT
All Soils
PMA-1A
Surface Soils
90
80
70
60
b. 2-amino-4,6-dinitrotoluene.
50
40
30
20
10
Figure 12. Detection frequency for ERCs in soil
samples collected near buried PMA-1A land
0
mines.
Aug 98
Nov 98
Apr 99
Jul 99
Nov 99
29
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