radionucl. ide content
decreasing
Soil
from
areas
containing
at Bikini
137
indicate
from
tained
in Bravo
238
no detectable
The radionuclides
another
marine
may
Althoug’n
at Bikini,
by
where
astronomically
239,240
6;
they
Pu concentrations
t$.ey contained
samples
available
fallout,
last
large
surface
area
by eating
of the organism.
n.o longer
presented
the
from the waterl
of contamination
fallout
of
of soil.
In addition,
surface
it is probably
through
is selection
directly
means
significant
animals
radionuclides
sediments.
on the
con-
the highest
ingestion
radionuclides
adsorbed
land
there
ingest
soils
1.
analyzed.
to the
where
may
2:1 at Eneman
Bikini
sediment.
i.s an important
the
in Table
because
Pu approach
although
ingesting
may be
fresh
Crater
animals,
absorb
adsorption
organisms
to 238
animals
organi.sr, or by
organism
camp
I.
table
Cs and
selected
from the
are given
or t“nrough direct
the marine
or radionuclides
The
are
radionuclides,
Similarly,
137
5) .
of gamma–
at Eneu
in the
Pu of the
or other
the vegetation,
specific
Pu,
239,240
of
generally
samples
analyses
(Table
1.
239,240PU
of
15:1
concentrations
between
Bikini
The ratios
and are about
runway
are included
a correlation
in samples
the
were
of the plutonium
Cs concentrations
were
depth
concentrat~ons
Exceptions
I. and along
The results
increasing
for plutonium
the highest
radionuclides.
emitting
area
analyzed
samples
with
occurred
of
important
in 1958.
by. the masses