Appendix Table 3
Predominant Gamma-Emitting Radionuclides in Soil from Christmas Island, August 1975
Radionuclide, pCi/g, dry®
Depth (cm)
40
K
137
Cs
Uy
ns
ns
238
U
London
"
0-5
6-12
ns?
ns
ns
ns
X-site
0-2.5
ns
ns
0.05 + 0.03
0.84 + 0.23
Airfield, wash-sump
Q-2.5
ns
ons
0.05 + 0.02
0.83 + 0.22
Northeast Point
"
"
0-2.5
1-6
ns
ns
ns
0.06 + 0.02
ns
ns
ns
ns
BW Site
0-2.5
1.5 + 0.9
ns
ns
ns
UW-3
0.2.5
ns
0.08 + 0.04
0.04 + 0.04
a.
The error values 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.
ns
0.44 + 0.40
0.89 + 0.52
ee
Location