from fish.
The doses from clams are calculated using the detection limits as
the
concentrations,
actual
Table 6.
These
30-y
doses
so
the
can
be
doses will
compared
be
less
with
than
the
those
United
listed
States
in
Federal
guideline for whole body of 5 rem in 30 y.
Listed in Table 7 is the contribution of each
integral dose
importance,
from fish.
and
the
The
1376
transuranics
is most
radionuclide
to the 30-y
significant, sr is
contribute
a
rather
small
second
fraction of
in
the
30-y dose.
In Table 8 the 30-y integral doses are listed for each fish.
From this
table the dose can be calculated for any combination of marine food products.
The
predicted
doses
from combinations
of
different
fish will
differ
little
from the average values previously given.
DISCUSSION
Radionuclide
concentrations
in
fish
muscle
Table 9 from the results in Table 2 and Ref.
all reef and pelagic
tissue
are
summarized
in
7 to show the average levels in
lagoon fish from each atoll or island.
Table 10 shows
the average amounts accumulated in muscle tissue of individual reef fish and
all pelagic fish from all atolls or islands.
Inspection of this and Table 2
90
shows
that
concentrations
of
s yr
in -muscle
tissue
are
very’
low
(undetectable
difference
in
in
many
the
of “the
average
At
all
atolls
or
:
higher
concentrations
.
pelagic
lagoon
level
species
significantly
islands.
The
fish.
the
239+240
Further,
from
from
from concentrations
similarities
muscle
Pu
than
the
.
and
respect to tissue distributions,
.
(mullet
of
differences
that
trophic
muscle
Pu
in
.
239+240
highest
lowest
food
Pu.
Whereas
levels
in
chain
of
behavior
the
Pu
the muscle
muscle
among
all
tissue
of
.
contain
tissue
tissue
species
the
of
surgeonfish)
differ
the
results
.
provide
11
with
feeding habits,
not
parallel
mullet
are
found
bottom-feeding
.
trophic
does
analyzed,
of
from the other atolls or
.
s
Pu.
second
level relationships,
137,
of
from
.
and environmental concentrations of the transuranics has been discussed.
The
little
fish
fish
in
convict
species
reef
.
is
239+240
Cs and
all
239+240
in these
there
different
137
amounts
of
and
that
the
tissue
concentrations
Rongelap
.
and
This is not the case for
islands
of
:
analyzed)
concentrations
different atolls or islands.
.
samples
28
that
of
have
the
1376.
concentrations
are
fish
such as mullet
and
to