Table 1
Physical Characteristics of Fort Lewis Soils1
Total
Particle Size Distribution, %
2
3
4
5
Total Fe
Inorganic N
TOC
CEC
-1
-1
-1
%
meq 100 g
mg kg
mg kg
pH
Sample Location
Sand
Silt
Clay
Artillery range
Firing point
11.3
47.4
1,530
1,530
5.6
63.2
17.5
19.3
Impact area
7.38
38.0
1,960
3,484
5.7
64.7
19.2
16.1
Hand grenade range
Surface
0.26
6.8
3,030
175
6.8
82.3
7.8
9.9
Subsurface
0.12
6.8
2,010
151
7.0
84.6
4.5
10.9
1
Values represent a single composite of samples from each location.
2
Total organic carbon.
3
Cation exchange capacity.
4
Total iron.
5
Total inorganic nitrogen.
Figure 2.
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