cs1
co
Ca
Lit
“tal
Table 17.
Average !37cs, 90Sr, 239+240py, and 241Am soil concentrations in pCi/g dry
weight for soil profiles taken on Rojkere Island (B-10).
Soil
depth
905,
(cm)
Median
Mean
00-05
05-10
10-15
15-25
25-40
40-60
6.0x107¢
1.2x107!
4,2x107!
3.6x107!
3.8x107!
5.5x107!
8.6x100
3.5x109
1.8x109
9.3x107!
6.3x107!
3.9x107!
1.3x100
1.3x10
4.6x100
5.0x100
3.5x100
4.3x100
00-05
6.01072
8.6x100
1.3x100
00-10
00-15
00-25
00-40
00-60
NOTE:
9¢
137¢,
9.0x1072
2.0x107!
2.7x10-!
3.1x107!
3.9x107!
6.0x100
4.6x109
3.2x109
2.2x109
1.6109
Median
2394240p,,
Mean
1.1x10!
6.6x108
5.3x100
4.9x100
3.3100
4.1x199
1.1x10!
1.3x100
2.4x100
4.4x109
4.8x1009
5 .6x100
@.7x199
7.5x109
6.5x100
5 .3x100
4.9109
Median
Mean
1.0x109
6.9x107!
2.0x109
1.1x108
7.2x107!
6.8x107!
4.1x108
2.5108
2.1109
1.5x100
1.2x109
1.6x10°
1.0x100
4.1x100
8.7x107!
1.3x700
1,9x 100
2.2109
1.8x109
3.3x109
2.9x109
2.3x100
7.9x 109
1.8x10°
241Am
Median
Mean
5.5x107!
6.5x107!
1.4108
5.5x107!
3.8x107!
4.8x107!
2.6x100
1.5x109
1.2x190
8.9x107!
6.7x107!
1.0x109
5 .5x107!
2.6x100
6.0x107!
8.5x107!
1.3x100
1.4x100
11x10
2.1x100
1.8x109
1.4x100
1.1109
121x190
Specific activity is decay corrected to 1987.
Table 18. Average !37cs, 90sr, 239+240py, and 241Am soil concentrations in pCi/g dry
weight for soil profiles taken on Eneu Island (B-12).
soil
depth
(cm)
7
137¢.¢
|
394240
239+240p,,
90¢,
241 Am
Median
Mean
Median
Mean
Median
Mean
Median
Mean
00-05
05-10
10-15
15-25
25-40
4.3x109
2.7%100
2.0x109
—-1.1x109
6.3x107!
5 .6x100
3.9100
3.2x102
2.1x109
1,3x1090
2.0x109
2.2100
2.5100
2.1x109 +
1.8x109
3.3x109
3.2x100
3.8x100
3.,5x109
3.8x109
5.7x107!
6.5x107!
6.2x107!
4.7x107
1.8x107!
9.3x107!
9.6x107!
9.1x107!
8.0x107!
7.7107!
4.1x107!
3.9x107!
4.3x107!
3.6x107"
3.0x10-!
6.5x107!
6.8x107!
6.9x107!
5.9x107!
6.2x107!
00-05
00-10
00-15
00-25
00-40
00-60
4.3x109
3.6109
3.2x109
2.5x100
1.9x109
1,5x109
3.3x100
3.3x100
3.4x109
3.5x100
3.6x109
4.5100
5.7x107!
5.9x107!
7.0x107!
6.4x107!
5.5x107!
3.9x107!
9.3x107!
9.4x107!
9.3x107!
8.8x107!
8.5x107!
8.2x107!
4.1x1o7!
4.3x107!
4.5x107!
4.5x107!
4.3x107!
4.3x107!
6.5x107!
7.0107!
7.4x107!
7.1x107!
6.6x107!
6.4x107!
40-60
NOTE:
2.5x107'
96x10"!
. 5.6x109
4.8x100
4.3x109
3.4x109
2.7%109
2.2x100
5.8x107!
2.0x100
2.2x100
2.3109
2.5x109
2.1x109
2.1x109
3.6109
-
Specific activity is decay corrected to 1987.
1.9x10-2
6.01071
7.9x10-@
26x 107!