Figure 1. Hand grenade range at Fort Lewis, looking toward the throwing area.
Figure 2. Hand grenade range at Fort Lewis. Tape extends perpendicular from
launch area. Note sample jars in rows perpendicular to tape.
site, soil samples were collected at 6.2, 7.4, 8.8, 10.1,
collected around the circle and one surface soil sample
and 11.3 m from a reference wall that separated Range
was collected in the middle of the circle, 11.5 m from
3 from Range 2. At a distance of 20 m, samples were
the wall (Jenkins et al. 1996). At a distance of 25 m,
collected at 6.2, 7.8, 9.1, and 10.2 m from the reference
samples were collected at 6.3, 7.7, 8.6, 10.0, 11.2, 12.0,
wall in a similar manner. Also at 20 m, a wheel-shaped
and 13.4 m from the reference wall. At each sampling
1.2-m-diameter sheet of plastic was placed on the
location a surface sample (00.5 cm) and a discrete
ground and six equally spaced surface soil samples were
depth (10 cm) sample was collected except for the sam-
4
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