amino-4,6-dinitrotoluene and 4-amino-2,6-dinitrotolu-
Table 5. Surface snow concentrations of nitroar-
ene) were also present in a few samples. The two ana-
omatics and nitramines after the detonation of
lytes generally present at the highest concentration were
a PMA-2 land mine.
TNT and RDX; this is reasonable because these were
Mass recovered (g/m2)
the two analytes present at the highest concentration in
Sample
TNT
RDX 2,4-DNT 2-ADNT 4-ADNT
the main charge and booster of the PMA-2 mine, re-
S-1E
0.10
0.45
<d
<d
<d
spectively. The distribution of TNT and RDX in the
S-2E
1.14
0.13
<d
<d
<d
surface snow samples was somewhat different, how-
S-3E
7.58
1.77
<d
<d
<d
ever (Fig. 2, 3).
S-4E
3.85
1.00
0.33
<d
<d
The highest TNT concentration, 199 g/m2, was
S-5E
25.2
1.56
2.00
0.30
0.44
S-6E
2.71
0.20
1.38
0.14
0.13
found in sample S2S, which was collected about 4 m
S-7E
0.33
0.27
1.29
<d
<d
from the detonation crater. This value is about eight
S-8C
0.38
11.9
1.53
<d
<d
times higher than the second highest value of 25.24 g/
S-1W
0.51
0.70
<d
<d
<d
m2 found for sample S5E, which was located about 10
S-2W
0.03
1.00
<d
<d
<d
S-3W
0.03
1.87
<d
<d
<d
m downwind of the detonation crater. These two val-
S-4W
0.63
0.50
0.38
0.13
<d
S-1S
8.93
0.21
0.50
0.10
<d
North
2,4,6-TNT (g m2 )
S-2S
199
1.33
1.33
<d
<d
m
9
Gravel Road
6
3
S-6
S-5
S-4
S-3
S-2
S-1
S-1
S-2
S-3
S-4
S-7
E
E
E
E
E
E
W
W
W
W
E
0.38
0.51
0.03
0.03 0.63
0.33
2.71
25.2
3.94
7.57
1.14
0.10
S-8
0
S-2 199
3
S
Figure 2. Spatial distribution of
2,4,6-TNT in surface snow
S-1
S 8.91
samples (g m2).
6
Detonation Crater
9
≈
Visible Plume = 381 m2
Grassy Road
≈
Area Sampled = 2.3 m2
12
South
18
15
12
9
6
3
0
3
6
9
12
15
18
21
24 m
West
East
North
RDX (g m2)
m
9
Gravel Road
6
3
S-6
S-5
S-4
S-3
S-2
S-1
S-1
S-2
S-3
S-4
S-7
E
E
E
E
E
E
W
W
W
W
E
11.9
0.70
1.00
1.87 0.50
0.27
0.20
1.56
1.00
1.78
0.13
0.45
S-8
0
S-2 1.33
Figure 3. Spatial distribution of
3
S
RDX in surface snow samples (g
S-1
S 0.21
m2).
6
Detonation Crater
9
≈
Visible Plume = 381 m2
Grassy Road
≈
Area Sampled = 2.3 m2
12
South
18
15
12
9
6
3
0
3
6
9
12
15
18
21
24 m
West
East
6
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