nuclear species were 2ither lacking or present in very low concentration.
A notion of
the possibie daily intake of the above
three radionuclides
may
-be obtained by taking che diet eaten by the Rongelapese as a guide, and
using the observed concentrations of radioactivity in the same food items
collected on Bikini.
The resultant daily intakes are shown in Table 3,
and
are compared with the daily intakes which will lead to acceptable body burdens
for individuals and @ suitable sample of the population.
Special procedures
which will greatly reduce the 905, content of the fruit can be undertaken
at planting when edible pandanus is re-introduced to the Atoll.
fruit would be available about five years after planting.
Edible
The fact that
edible pandanus fruit will not be available for several years removes what
might have been the major source of 905 intake and materially reduces the
1375 intake as well.
advisable,
Removal also of land crab meat from the diet seems
and such restrictions bring the 905, intake down co 115 pCi/day
or 270 pCi/g Ca.
The
corresponding
1370.
intake
is
2290 pCi/day.
Doses to the whole body from 137Es and °Fe were calculated assuining that
the reduction of radioactivity in the diet occurs only from radioactive decay.
Doses
to bone
metabolism,
purposes.
from
90
Sr were also computed.
.
.
Because of marked differences in
adults and children were considered separately for internal
The total doses
to whole body and to bone
dose
for children and adults
from internal and external radiation over 5-, 30- and 70-year intervals starting
in 1970 are indicated in Table 4.
The doses acceptable for individuals and
For a suitable sample of the population during the same time intervals are
also indicated.
EE 95515