west
from the Bikini people.
as the external dose assessment is
These
patterns also allow us to extrapolate
concerned,
other reasonable patterns.
Because the expected living patterns
Note
cases 5 and 6 are identical.
that the cases also include assump-
are most likely to differ between
tions on the food production and
the various age groups, age distribu-
consumption plans of the returning
tion data has been compiled (Table 2).
population.
These data were obtained from the
This information is
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.”
The
geographical living patterns, also
to the external dose calculations.
The cases are based upon the
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.+
Even though the gamma-ray
Island in accordance with the
Preliminary Bikini Atoll Master
exposure rates vary widely, it is
Plan.>
necessary, for the purpose of the
For purposes of this report,
the cases are primarily directed
external dose calculations, to
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 Island were obtained by
The
The mean
remaining casés 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. 5.
on Bikini Island (areas 1 and 2 in
the survey did not include the other
Fig. 7), while cases 5 and 6 assume
islands of the atoll, we had to
the people will live within the
rely on data from previous surveys
interior portions of the island,
to estimate how much of the total
shown as area 3 in Fig. 7.
population dose was contributed by
As far
-16-
Because