Figure 22. Red phosphorus pellets from an L8A3 smoke grenade.
50 m in a line paralleling the eastwest access road.
the intersection with the TOW firing line. One sample
had 9.5 g/g 2,4-DNT and 0.42 g/g 2,6-DNT. We
The line was approximately 15 m south of the road and
we collected a total of 16 samples (Fig. 1b).
suspect propellant burning was the source of these
Low concentrations of RDX and TNT were
contaminants. Table 16 lists the concentrations of metals
detectable in several samples (Table 15), especially near
found in these samples.
Table 15. Explosives detected in discrete samples collected at
50-m intervals parallel to eastwest road. Because these samples
were not associated with a visually obvious range activity, we
refer to these samples as "background."
Concentration (g/g)
Node
(m)
RDX
HMX
TNT
4-Am-DNT
2-Am-DNT 2,4-DNT 2,6-DNT
0
<d
<d
<d
<d
<d
<d
<d
50
<d
<d
<d
<d
<d
<d
<d
100
<d
<d
<d
<d
<d
<d
<d
150
<d
<d
<d
<d
<d
<d
<d
200
0.011
<d
0.004
0.002
0.005
<d
<d
250
0.002*
<d
<d
<d
<d
<d
<d
300
<d
<d
<d
<d
<d
<d
<d
350
<d
<d
<d
<d
<d
<d
<d
400
0.003
<d
0.010
<d
<d
<d
<d
450
0.007
<d
0.001
0.016
0.018
<d
<d
500
0.036
<d
0.012
0.005
0.013
9.5
0.42
550
0.014 0.004*
0.008
<d
<d
0.010
<d
600
0.001*
<d
<d
<d
<d
<d
<d
650
<d
<d
<d
<d
<d
<d
<d
700
<d
<d
<d
<d
<d
<d
<d
750
<d
<d
<d
<d
<d
<d
<d
*Detected but below method detection limit.
26
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