The external
where various

reccived by the returned 3ikinians will

people are

island complex.

or children.
consist

dose

located,

and for what periods

depend upon

or time,

within the

Location in turn depends upon whether they are men,

The returnees

women,

(see Age Distribution table) will probably

of about equal numbers of men and women.

to be spent in the four radiation domains

The amount of time

(village area, beach,

Likely

interior,

and lagoon) by the various groups within the population are shown in Table 1.
Probably the most time will be spent in the village area, where the dose rate
is

intermediate between beach and

interior levels.

The dose rate may be

reduced one half by covering the ground with an inch of clean sand or soil.
This
ing

in essence will be done in the village area through the custom of coverthe

dirt

floor and the yard with several

inches

of polished coral

pebbles.

The expected integral dose to the population over various time intervals
starting in 1970 is shown in Table 2.
The actual internal dose derived from eating native foods is somewhat
more difficult to assess.
(lL)

As

in the past,

However,

the natives will

tenance from the lagoon and ocean.
Jimieced,
pandanus,
foods,
meal,

ac

least at

etc.

(3)

three points should be borne in mind.

first,

doubtless

(2)

due to the

take much of their sus-

Edible land plants will be severely
sparcity of fruit-bearing coconut,

The Bikinians have become accustomed to eating new

and will probably continue
and powdered milk.

to eat such things

as

rice,

The only radionuclides of biological

found in foodstuffs collected at Bikini were 905,

,

137¢5 and

flour,

canned

importance

2>Fe.

Other

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