1
TMA-5 (EX-274)
April 1999
9
6
Surface Soil
1
4 17
N
Height= 113 mm
W
E
S
2
2
DNT
70 mm
TNT
Am-DNT
312 mm
6
6 28
3 34
2
3
21
29 183
2
1
7
a. EX-274.
TMA-5 (EX-275)
60
April 1999
129
Surface Soil
N
Height= 113 mm
W
E
S
96
45
3
46 281 8 127
14 19
DNT
70 mm
TNT
Am-DNT
312 mm
b. EX-275.
Figure 5. Locations of various ERCs detected in surface soil near buried TMA-5 land
mines in April 1999.
ber 1998. The pattern of detections for 2,4,6-TNT, 2,4-
1999 samples, so the presence or absence of 3-NA in
DNT, and the ADNTs in surface soils for TMA-5 mine
these samples cannot be assessed.
The frequency of detection of 2-ADNT, 4-ADNT,
EX-274 is shown in Figure 5. Where ERCs were detect-
and 2,4-DNT in soils collected in April 1999 near the
able in the surface soils near this mine, concentrations
were as high as 29 g/kg for 2,4,6-TNT, 21 g/kg for
TMA-5 mines increased slightly compared to Novem-
19
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