Table 4.
Size Distribution After Ultrasonic Treatment and Plutonium Activity in
Two Adjacent Soils in Area 13
Size Range
(um)
Abundance*
(4)
Activity in
Size Fraction
(dpm/g)
Activity per
Gram of Soil
Contribution by
Size Fraction
11
8
10
334
2,050
1,317
182
117
0.3
0.2
0.3
8.3
50.9
32.7
4.5
2.9
4,029
100.1
2
4
6
163
2,031
413
116
41
QO.1
0.1
0.2
5.9
73.2
14.9
4.2
1.5
2,776
100.1
(dpm/g)
(4)
Nonvegetated Soll
2000-840
840-250
250-125
125-53
53-20
20-5
5-2
< 2
8.9
27.5
23.2
20.3
7.8
4,1
3.3
5.1
Total
100.2
120
30
40
1,645
26,250
32,125
5,445
2,285
2000-840
840-250
250-125
125-53
53-20
20-5
5-2
< 2
3.0
20.1
25.4
28.9
10.4
3.3
3.1
5.6
Total
99.8
80
20
20
565
19,495
12,700
3,120
735
*Abundance in percentage by weight.
14
fey roan
Vegetated Soil