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5.7 SUMMARY OF AEC TASK GROUP RECOMMENDATIONS
This summary was prepared by the AEC staff for presentation to the
Commissioners and is presented verbatum except for insertion of Marshallese place names.
A more detailed report is contained in Tab B, Vol. I.
INTRODUCTION
The Atomic Energy Commission agreed to provide radiological
criteria for cleanup and rehabilitation of Enewetak Atoll to the Department
of Defense (DOD) and to the Department of the Interior (DOI).
A compre-
hensive survey of the radiological environment of Enewetak was made to
serve as a basis for judgement and recommendations.
The survey data
show that the northern islands have the greater amount of radioactive
contamination and there are plutonium problems.
The Director, Division of Operational Safety, appointed a Task Group
and throughit staff liaison representatives of DNA, DOI and EPA were
kept informed of progress toward completion of recommendations.
Current radiation protection guidance containing numerical standards
and radiation protection philosophy of national and international standards
bodies was used to develop recommended criteria:
.
e
Population dose to the Enewetak people should be as low as
practicable.
e
The Federal Radiation Council (FRC) Radiation Protection
Guides (RPG) for individual and gonadal exposures will be
used to evaluate exposure options.
The values should be
reduced by 50 percent for individual exposure and 20 percent
for gonadal exposure to allow for uncertainties in dose predictions. The guides for cleanup planning become:
Exposure
Whole body and bone marrow
0.25 Rem/yr
Thyroid
0.75 Rem/yr
Bone
0.75 Rem/yr
Gonads
4 Rem in 30 yr
5-60