Table 3.
Size Distribution and Plutonium Activity in Two Adjacent Soils in Area 13
Size Range
Cum)
Abundance*
(4)
Activity in
Activity per
(dpm/g)
(dpm/g)
Size Fraction
Gram of Soil
Contributed by
Size Fraction
(%)
Nonvegetated Soil
2000-840
840-250
250-125
125-53
53-20
20-5
5-2
< 2
9.0
30.2
26.2
21.9
6.4
3.0
1.8
1.6
Total
100.1
195
190
206
4,645
26,556
28,350
3,540
2,250
18
57
54
1,016
1,686
836
97
36
0.5
1.5
1.4
26.7
44.4
22.0
2.6
1.0
3,800
100.1
1
40
23
384
1,932
163
20
10
0.0
1.5
0.9
14.9
75.1
6.3
0.8
0.4
2,573
99.9
Vegetated Soil
2000-840
840-250
250-125
125-53
53-20
20-5
5-2
< 2
3.1
20.8
30.4
34.5
8.7
1.1
0.5
0.6
Total
99.7
40
190
75
1,115
22,180
14,305
3,965
1,720
|
*Abundance in percentage by weight.
12