Option IV
a.
All of Option III a, c, d, e, and f, plus:
.
b.
Return to JANET and build residences and community center in locations
shown on the Master Plan.
c.
Remove a minimum of 30 cm of soil in all areas where pandanus and
breadfruit are to be grown on JANET; import clean soil in which to
establish these plants; or import pandanus and breadfruit from the
southern islands.
°
If these actions proved to be as effective as the theoretical predictions,
this would permit return of the Enjebi people to their island.
It should be
emphasized, however, that even with the above actions, predicted doses are
at or above the Task Group criteria for annual exposures and also well above the
30 year gonadal criteria.
The levels are expected to be well above those of
Option III.
Option IV c describes three ways in which essentially the same end can
theoretically be achieved.
Importation of food is the most dependable action
but this imposes a long-term burden on the Enjebi people which they may find
objectionable.
Removal of soil alone is another alternative, but the
effectiveness of the action is uncertain for reducing population dose since
90
Sr and
137
Cs are found so far below the surface on JANET.
.
4
Importing soil for
areas of subsistence crops such as pandanus and breadfruit would possibly reduce
the dose from these foods to levels comparable to those found on the southern
islands, provided that sufficient soil is imported to encompass the entire root
system of the mature trees.
The water supply for these crops must not have
radioactivity levels higher than those in the southern islands.
insured is not obvious at this time.
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How this can be