26
TABLE 3 #2
RADIONUCLIDE SOIL PROFILES~ibi
RONGELAP ISLAND:
Average
I
Cesium-137
Depth
(cm)
1978
1987
1978
0-5
0-1o
15
1987
10.1(7)
5.4
10-20
activity
1.2(1)
for
dry
soil
(pCl/%)
I
Plutonium
-239,-240
Strontium
-90
] 1978
9
5-1o
10-15
specific
1978
1987
mericium
-241
1987
1978
1987
1.7(3)
1.0
6.9
3.2
,
7.7
2.0
.78
6.7
1.1
.41
15-25
2.6
4.5
.35
.18
25-40
1.8
2.1
.07
.08
0-40
5.0
4.6
.89
.35
Number
profiles
of
27
17
18
20
I
●I
The
bt The
samples
1978
profiles
are
from
Robison
1987 values
are from Boikat
is given
in parentheses.
et
al,
1982,
Part
4,
and Paretzke
(Note 8).
They are corrected
back
Appendix
B.
The number
to 1978.
of