Appendix Table 28
Predominant Radionuclides in Soil Profiles 1] and 12 on Bikini Island, Bikini Atoll]
December 1974
Radionuclides in pCi/g, dry?
Soi]
Fraction
55 Fe
60 Co
125 Sb
0-2.5
2.5-5
0.25+0.23
0.49+0.23
0.171+0.03
0.1240.04
ns
0.22+0.15
3.2 40.26
3.1 40.21
<0.4
<0.4
2.9 +0.1
3.4 +0.1
0.1940.03
0.1340.03
1.3 +0.5
2.0 +0.2
3.2 40.18
ns
Pit #11 (Ist BLS, well)
5-10
<0.3
35-42
<0.4
42-55
55-75
75-100
100-125
<0.3
nab
na
na
Pit +12 (garden, house
0-2.5
2.2 +0.3.
2.5-5
4.2 40.4
5-10
1.9 +0.3
10-15
5.2 +1.3
15-25
4.8 +0.4
25-50
50-75
af
we?
75-100
ns
0.24+0.15
ns
nsb
ns
ns
ns
0.03+0.02
ns
ns
ns
ns
ns
ns
ns
#24)
1.9940.12
2.3 +0.3
3.3 40.3
3.5 +0.13.
3.1 +0.10
ns
ns
ns
1.3 40.38
1.1 40.27
ns
ns
0.1640.03
ns
0.3740.12
ns
14.9 +0.3
13.
+0.3
5.1 +0.2
162
159
16
31
+1.0
+0..5
+0.2
-+0.4
7.7 +0.2
32
10
©+0.4
+0.23
1.0 +0.05
155 Eu
16»
+0.8
+2
+2
+0.7
40.7
=+0.3
0.164+0.03
0.48+0.05
24) Am
0.1140.06
0.10+0.07
0.24+0.08
0.20+0.10
4.2 +0.1
3.3 +0.1
ns
ns
8.5 40.3
7.7 +0.2
ns
ns
ns
ns
ns
ns
0.16+0.07
ns
ns
0.12+0.04
98
98
133
120
134
t
ns
2.8
3.7
5.7
5.4
4.5
+0.1
+0.3
+0.4
+0.16
+0.13
ns
ns
ns
ns
ns
ns
ns
5.4
6.5
9.2
9.8
8.5
+0.3
+0.8
+1.0
+0.4
+0.33
ns
ns
ns
239,240
7
Pu
90 Sr
0.55 +0.04
0.51 +0.02
0.16 +0.01
17
16
0.53
0.47
+0.3
0.3
+0.04
+0.02
0.20 +0.01
17
13
+ 3.6
+ 1.6
65
115
27
34
+12
+ 2.3
«+ 0.5
+ 0.7
31
18
+ 0.6
+ 0.8
0.16 +0.02
0.041+0. 005
<0.02
na
12
14
23.
2]
14
+0.5
+0.3
+0.5
+2.1
°#+0.6
0.08 +0.1
<0.001
:
t
9.0+ 0.8
24
+0.5
3.9+ 0.2
0.6+ 0.1
139
157
264
282
219
+ 2.8°
+ 3.1¢
+ 5.3
+ 5.6°
+4,4¢
13
+ 0.3°
135
+ 2,7°
4.3+ 0,2°
a.
The error values for all radionuclide listed excent 995). and Pu are two-sigma, propagated, counting errors
for a single sample. The error value for 90Sr and Pu is the two-sigma counting error for a single sample
plus an analytical error.
b.
ns
na
c.
Analyses performed by McClellan Central Laboratory, Sacramento, California.
not significant; the net sample count is less than the two-sigma, propagated, counting error.
not analyzed.
09
10-15
15-23
23-30
30-35
137 Cs
t