=» 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 -~7- niin