Appendix Table 27
Predominant Radionuclides in Soil Profiles 9 and 10 on Bikini Island, Bikini Ato]
December 1974
Radionuctides in pCi/q, dry?
Soil
Fraction
SF.
6005
1256,
1376,
Sey
241,
1.8 +0.10
1.7 £0.09
0.57+40.08
ns
ns
ns
ns
3. 810.26
3.040.17
1,340.20
0.7+0.08
ns
ns
ns
239,240, b
90,...b
+ Pit #9 (Ist BLS, Breadfruit Row)
0-2.5
2.5-5
5-10
10-15
15=25
25-50
50-75
75-100
1.6 +0.26
1.6 +0.24
0.7440.24
nac
na
na
na
na
1.1 20.07
0.5340.05
ns
0.0740.02
ns
ns
0.6540.26
0.5140.18
0.22+0.11
0.21+0.07
0.07+0.05
ns
4.2
4.3
3.8
1.9
2.2
2.3
2.0
1.3
1.2 +0.07
ns
ns
81
72
29
§+0.5
+0.5
+0.4
2.540.13
1.2 +0.07
0.4 +0.04
0.09+0.03
0.1740.03
ns
ns
6.1 +0.1
6.2 +0.1
2.5 +0.1
0.23 +0.7
0.12 +0.0]
0.028+0.011
<0.1
na
66 + 1.3
72 +1.4
50 +1.0
22 + 0.4
13° + 0.4
6 + 0.4
1.9+ 0.4
1.4+ 0.1
Pit #10 (1st BLS, Row 34)
20-30
30-50
50-75
75-100
“
83
+0.8
5.0 +0.3
3.6 +0.2
na
na
na
na
na
+0.15
40.15
40.14
+0.09
0.08+0.03
ns
ns
ns
+0.41
40.39
+0.34
40.23
ns
ns
ns
ns
250
247
210
133
+1.2
+1.1
+1.0
+0.7
5.6 +0.15
0.6 +0.07
0.32+0.05
0. 3620.04
6.5
5.8
4.8
2.1
+0.2
+0.3
+0.15
+0.12
ns
ns
ns
ns
12. 840.5
11.640.5
9.6+0.31
4,240.32
ns
ns
ns
ns
32
30
él
8.8
+0.6
+0.6
+0.7
+1.0d
na
0.026+0. 003
na
<0,005
432
501
423
+ 8.6
+10
+ 3.59
na
na
a.
The error values for all radionuclide listed except 90Sr 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.
Analyses performed by McClellan Central Laboratory, Sacramento, California
not significant; the net sample count is less than the two-sigma, propagated, counting error.
ns
c.
na
:
0.5+ 0.1]
0.3+ 0.1
<0.5
:
»
:
5
not analyzed.
65
0-2.5
2.5-5
5-10
10-20