Appendix Table 17
Predominant Radionuclides in Soil from Pit #3 on Rongelap Island, Rongelap Atoll, November 1974
Radionuclide concentration in pCi/g, dry4
aneh(cm)
0-2.5
0-2.5
2,545
5-10
10-15
15-25
25-35
35-50
50-60
a.
1256,
0.30+0.09
0.3540.15
1.2 40.12
2.5 40.16
0.8 40.08
0.3 40.06
0.06#0.03
0.10#0.05
0.04+0.04
ns?
ns
0.7140.32
2.2 40.3
1.8 +0.2
0.97#0.16
0.1540.10
0.19#0.11
ns
13766
40 40.7
42 40.9
33 +0.6
50 40.7
19 40.3
6.1 40.2
0.6520.06
0.29+0.05
0.3140.05
155.
+0.9740.23
0.4840.31
4,040.35
3.9 40.25
0.9320.15
0.2140.12
ns
ns
ns
241,
1.2 40.2
«1.1 40.3
5.5 20.4
6.3 40.3
1.6 40.1
—-0.54#0.11
0.2420.11
ns
0.07+0.06
239,240,
90.
na
0.33+0.06
2.2 40.7
6.3 41.4
na
na
na
na
na
na
7.840.7
16 41.6
18 42.4
na
na
na
na
na
errors
The error values for all radionuclides listed except 90sr and Pu are two-sigma, propagated, counting
sample
single
a
for
error
counting
two-sigma
the
is
Pu
and
Sr
The
error
value
for
90
for a single sample.
plus an analytical error.
ns = not significant; the net sample count is less than the two-sigma, propagated counting error.
na
not analyzed.
8P
a4 Rh.
b.
60,