Table 19.
Average !37cs, 90sr, 239+240py, and 241Am soil concentrations in pCi/g dry
weight for soil profiles taken in section E] on Eneu Istand (B-12).
Soil
Median
00-05
05-10
6.2x100
4.5x100
15-25
3. 1x109
7.5x10-!
3.0x107!
1.6109
8.6x107!
00-05
6.2x109
7.5x109
00-15
00-25
5.4x100
4.5x100
6.8x109
5.9100
10-15
25-40
40-60
00-10
00-40
00-60
NOTE:
Le
Mean
(cm)
4.1x10
7.5x100
6.1x10
*3.8x100
4.3x109
4.3x100
4.0x10
6.7x100
6.8x108
4.8x109
4.3x100
3.6x109
3.2x19°
2.6x109
Mean
Median
5.1x109
8.9x107!
9.6x107!
6.1x102
6.7x107!
7.5x107!
4.9x109
6.5107!
4.5109
1.7x109
9.5x1072
5.2x1073
3.8x100
4.6x109
8.9x107!
4.0x109
3.9x100
5.1x109
55x10
9.9x107!
8.0x107!
4.7x109
5.1x199
4.2x100
4.3x109
3.3x109
Mean
Median
4.6x109
4.9x109
5.7x109
4.2x109
9.2x107!
6.0x107!
3.6x107!
1.4x100
1.2x199
8.4x107!
6.4x107!
4.0x107!
1.4x1072
1.4x108
1.3x109
1.2x109
9.5x107!
7.4x107!
4.3x107!
Specific activity is decay corrected to 1987.
Table 20.
241 Am
239+240p,
905,
137¢.
depth
Median
Mean
6.6107!
7.4x107
8.5x107!
9.3x107!
5.4x107!
4.8x107!
8.6x1072
7.9x1072
9.7x107!
7.3x107!
3.1x107!
1.3x107!
8.5x107!
6.6x107!
8.9x107!
6.8x107!
8.6x107!
8.2x107!
5.3x107!
4.8x107!
5.8x107!
4.5x107!
3.6x107
2.9x107!
c%
Average 137cs, 90Sr, 239+240py, and 241Am soil concentrations in pCi/g dry
weight for soil profiles taken in section E2 on Eneu Island (B-12).
Sov]
(cm)
Median
Mean
Median
1.4x100
241 Am
2394240
Pu
+
905,
137¢.
depth
Mean
2.1x109
Median
Mean
Median
3.8x107!
5.5x107!
3.1107!
Mean
5.2x107!
05-10
10-15
15-25
25-40
40-60
3.2x102
2.4x109
—-1.8x109
1,210
7.4x107!
2.9x107!
4.3x1009
3.3x1009
2.8x109
1.7x109
1.2x100
1.0x109
2.0x109
1.7x100
1.8109
1.5x109
4.4x107
2.0x109
2.4x100
2.5x100
2.9x100
4.6x107!
5.0x107!
4.6x107!
5.0x107!
3.3x107!
1.8x1073
5 .6x107!
7.2107!
7.8x107!
6.0x107!
9.4x1072
3.3x107!
4.1x107!
3.2x107!
3.1x107!
B.3x1072
6.3x107!
5.9x107!
4.9x107!
5 .6x107!
2.6x107!
00-05
00-10
00-15
00-25
00-40
00-60
3.2x109
3.0x109
2.8109
2.2x100
1.7x10
1.3x109
4.3x109
3.8x100
3.6x100
2.8x109
2.3x100
2.1x100
1.4109
1.7x100
1.6x108
1.8x109
1.7109
1.1x100
2.1x109
2.0x108
2.2x109
2.3x100
2.5x100
1.1x1009
3.8x107!
4.8x107!
5. 3x107!
4.9x107!
4.3x107!
2.2x107!
5.5x107!
5.5x107!
6.1x107!
6.8x107!
6.5x107!
2.9x10-!
3.1x107!
3.5x107!
4.0x107!
4.2x107)
4.5x107!
4.3x107!
5.2x107!
5.9x107!
6.2x107!
5.7x10~!
5.1x107!
5 .5x107!
00-05
NOTE:
Specific activity is decay corrected to 1087.