Table A-7, Americium-241 radionuclide concentration summary for all soil profiles takenfn
area during the 1978 NMIRStogether with our recent trips from 1986 through 1993 on Ro
Soil
depth
(em)
SD
Mean
of logs
SD
of logs
23x102
36x102
22102
1610-2
55x103
24x102
35x102
21102
2310-2
112x102
-42x100
-38x10
42100
-49x100
-73x100
89x10)
1.0x100
3.7x10)
1.3100
25x 100
00-05
90
2.6x103 13x10-1
115x102 23x102
00-10
12.
62103 12x10!
3.9x102 43x102
00-15
8
61103 80102
3.1«102 34x102
00-25
6
3.9103 5610-2
10102 119x102
00-40
3
2.4103 1.7x102
7610-3 91x103
00-60 3
16103 12x102
5.1103 61103
NOTE:Specific activity is decay corrected to 1995.
Nastands for numberof individual samples.
24x102
3.3102
2.7x10-2
2.0x10-2
7.6103
51103
42x100
-35x100
-38x100
-44x100
-5.0x100
-54x100
3.9101
1.0x 100
1.0100
9.7x10-1
9.9x 10-1
9.9x10-1
00-05
05-10
10-15
15-25
25-40
40-60
N?@
Minimum
Bq g~! dry wt.
Maximum Median
Mean
90
18
14
15
6
26103
64x103
2.7xK103
47x104
288x105
13101
1.11071
8410-2
78x102%
2.9x102
the village
Island.
5
46x105
1510-2
2.0x10-2
217x102
76x103
10x103
14x108
111x104
34x104
58x104
-8.9x109
Table A-8 Americium-241 radionuclide concentration summary for all soil profiles taken
1.4100
the interior
of the island during the 1978 NMIRS together with our recent trips from 1986 through 1993 bn Rongelap
Island.
Soil
depth
(m
00-05
05-10
10-15
15-25
25-40
40-60
N@
Bq g-! dry wt.
Minimum Maximum
366 15103
237 15x103
155 28105
7828x104
35 13104
146 12x104
711x101
884x101
115x101
21x10!
15x10!
18x102
Median
Mean
SD
Mean
of logs
SD
of logs
96x102
34102
118x102
7.0x103
3.1x103
33x108
112x101
54x102
28x102
115x102
89x103
46x103
9.9x10-2 -24x100
771x102 -34x100
2.7x102 4.1100
26x102 -48x100
224x102 ° -5.7x« 100
53x15 42100
8.4101
1.1= 100
1.2 100
1.1.x 100
1.3 x 100
1.610
0-0)
-366_—isa1.5x103) -7.1K10-1 9896x102
00-10
«225 16x103 55x101 75x102
00-15
128. 49103 3.9x10-1 62x102
00-25
5235x103 24x10) 41x102
00-40
1724x103) 11x10-1 36x102
00-60
5 1.7x103)
7.7x10-2 12102
NOTE:Specific activity is decay corrected to 1995.
Nastands for number of individual samples.
112x101
9.2x102
73x10-2
54x102
3.9x10-2
25x102
99x10-2
7.1102
52x102
41x10?
2810-2
3.1102
84x 10-1
7.810!
7.1101
7.6x10-!
94x10!
15x 100
A-6
-24%x100
-2.7x100
-29%x100
-32%100
-3.6%100
44100