h. Research hic, McDaniel said AEC staff members who recently visited the U.K, controlled thermonuclear projects ax Harwell and Aldermaston reported that the British ere meking substantis! progress in work ona controlied thermonuclear xreactcr using the pinch effect, He pointed out that all British effarts seem to te directed at this cue particular approach to the problem, and added that the U.S, is leading the U.K, in over-all development, Mr. McDaniel also remarked that the SPERVOOD Steering Comraitics has approved Mr. Lyman Pitzer’s request to proceed with the design of a Model ‘*C"* Stellarator. i, Biology and Medicine Dr. Dunham said that the ACBM had recommended that the Rongelap natives be returned to the islands from which they were removed at the time of Operation CASTLE, Also, in view of the necessity of continuing weapons tests in the U.S., the Committee had recommended approval of the ten roentgen in ten years criteria for off-site exposure to fallout. Dr, Dunham said the Committee believes that this amount of exposure will not create an appreciable genetic risk to the U.S. population, (See AEC 156/64). Mr. Murray then inquired about the status ofa study being prepared for the Net Evaluation Subcommittee of the NSC concerning the biological consequences of nuclear warfare, He said he wished to receive copies of this and all similar reports prepared by the AEC staff, Mr, Strauss said he had not yet seen this particular report, but that he would consider providing Mr. Murray a copy after he had seen it. j. Office of General Counsel Mr. Mitchell commested briefly on the monthly report by the Office of the General Counsel, - 741 ~

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