APPENDIX
TABLE
7?
Some Radionuclides in Soil Collected on Bigen Istand
Ailuk Atoll, September 1976
Radionuclide Concentration in pCi/g, dry?
Collection
Location
.
Site #1
"
Soil
.
Depth (cm)
137Cs
238y
0-2.5
1.2 20.15
ns
0.70+0.11
ns
2.5-5
b
"
5-10
0.530.171
0.92 0.33
"
10-15
0.35+0.08
ns
"
15-25
0.18+0.06
ns
"
25-35
ns
ons
Site #2
"
:
Site #3
"
Site #4
"
895,
0.540. 36
0.41+0.09
ns
5-10
0.21+0.07
ns
0-2.5
1.1 40.13
ns
0.7740.11
ns
5-10
0.38+40.09
ns
2392240
0-2.5
0.84+0.12
ns
3°Sr
1.6 40.17
ns
1.2 40.13
0.9840.74
2.5-5
"
2399240by
0.9140.13
2.5-5
"
“
0-2.5
Other
2.5-5
5-10
2399240py
995n
0.098+0.018
0.56 +0.16
3.8
+0.6
0.27 40.12
0 ,056+0.008
0.41 +0.14
a.
The error values for all radionuclides are two-sigma, propagated, counting
errors for a single sample.
b.
ns = not significant; the net sample count is less than the two-sigma, propagated
counting error.
23