from the Bikini people.
patterns also allow us
These
to extrapolate
other reasonable patterns.
Note
as the external dose assessment is
concerned,
cases 5 and 6 are identical.
Because the expected living patterns
that the cases also include assump-
are most likely to differ between
tions on the food production and
the various age groups,
consumption plans of
tion data has been compiled (Table 2).
population.
This
the returning
information is
age distribu-
These data were obtained from the
only required for the internal dose
1974 census taken on Kili Island
assessment via the specific food
of the 784 persons who claim land
chains, and hence is not pertinent
rights on Bikini Island.?
to the external dose calculations.
geographical living patterns,
The cases are based upon the
The
also
shown in Table 2, were assumed to be
assumption that the people will
similar to those expected for the
reside on either Bikini or Eneu
returning Enewetak people.
Island in accordance with the
Even though the gamma-ray
Preliminary Bikini Atoll Master
exposure rates vary widely,
Plan.?
necessary,
For purposes of this report,
it is
for the purpose of
the
the cases are primarily directed
external dose calculations,
toward assessing the external dose
derive the most reasonable values of
associated with various options for
the mean exposure rates for each
housing locations on the two islands.
specific geographical area under
The first case is based on the
consideration (Table 3).
assumption that the people will
exposure rates for specific areas
live only on Eneu Island.
on Bikini Tsland were obtained by
The
to
The mean
remaining cases assume residence
weighting the mean exposure rates
on Bikini Island at different
within each contour interval (Fig.
village sites with various remedial
4) by the area within the contour.
actions being taken to reduce the
Since the exposure rates on Eneu
exposure rates.
Island are relatively uniform,
Thus,
cases 2
through 4 assume the residences
the mean exposure rates were chosen
are situated along the lagoon road
by inspection of Fig.
on Bikini Island (areas 1 and 2 in
the survey did not include the other
Fig.
islands of
7), while cases 5 and 6 assume
5.
Because
the atoll, we had
to
the people will live within the
rely on data from previous surveys
interior
to estimate how much of
portions
of
the
shown as area 3 in Fig.
island,
7.
As far
the
total
population dose was contributed by