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permitted to operate,

He did urge, however, that

the AEC should not use beryllium except where
absolutely necessary and in as few places as
possible,
Radiation
Cataracts

Dr. Dunham reviewed the proceedings of the
last meeting of the NRC Radiation Cataract Committee,

It was brought out that only about 10% of socalled radiation cataracts are clinically important,
i.e, producing visual defects that affect the
person's vision,

The Committee was pleased to

learn that no new cataract cases have been uncovered
in Hiroshima and Nagasaki among those surveyed 18
months previously.
Atomic Bomb
Casualty
Commission

Dr, Gregg reported on the visit that he had
made to the ABCC project in Japan while enroute
home from a personal visit to India,

He stated

that the project seemed "to be going smoothly and
well" in terms of meeting their regular load of

examining patients 2nd getting material recorded.
Morale of personnel was considered good,
SATURDAY, APRIL 5, 1952
Disaster Plans Mr. Fleury

Mr. Fleury brought the Committee up to date on
Disaster Plans since his last appearance by advising
them that the Commission had discussed the néed for
Shelters at individual installations with the

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