Table
4.
Alpha
Emitting
Nuclides
Nuclide
239’
in Soil - Eneman
100 \JR/hr area
240Pu
238PU
The
500 ~,R/hr Area
~~o
11
220
2
40
(ENIDRIK)
island
of Enidrik
is located
The
the atoll
(Figure
vegetated
and
over most
of the ar~a.
The
ai~--dried weight)
27
241M
UNqLE
(pCi/g
central
by ipomoea
10 pR/hr
8).
showed
vines
northwest
background
portion
of the
and the
the vegetative
cover
devoid
of vegetation,
dominate
at 10 pR/hr
No coconut
pandanus
located
or less
trees
were
over
were
and
seen,
on the western
last
location
tion
in the arrowroot
previously
A soil
where
remains
this
on the
island
is heavily
levels
thin.
of coral
end.
eastern
large
end cf the
sandy
areas,
levels
majority
of the eastern
island.
A few scattered
was
overgrown
are generally
Background
remain
enc.
mature
of in-mature pandanus
One arrowroot
0.2 pCi/g
rubble
levels
Two
rim of
of 100 to 300 vR/hr
the narrow
grove
the background
was
end of the
toward
one small
end.
southern
radiation
the great
found
on the
consists
background
island
of Eneman
radiation
island
Progressing
or less.
west
sample
was
250 tiR/hr.
(wet weight)
The
after
taken
was
at this
137Cs
concentra-
processing
as
137CS,
60Co
described.
sample
taken
to be the major
in a 300 uR/hr
gamna
emitting
area
showed
contaminants
‘OzmRh,
(78%,
14%,
and
and 5% respectively
by concentration).
Only
a few
removed
for
pieces
burial
of radioactive
debris
were
found
and these
were
at sea.
17
,.