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

Select target paragraph3