could determine at that time whether to permit this information to be exchanged, Mr. Marshall then commented on the issues involved in the exchange of information on fission product ratios, The Commission supgested that the General Manager determine whether complete information on these ratios should be exchanged, After further discussion, the Commission: a. Determined that the exchange of information with the United Kingdom as proposed in the DOD letter of November 21, 1955, (AEC 663/1) and discussed in paragraph 2 of AEC 663/3 relates to yields and effects, and will not reveal important information concerning the design or fabrication of the nuclear componcats of an atomic weapon} b. Noted that in considering the fission product analyses transmissible, as ‘‘yields and effects’' is being interpreted broadly since the information con- cerns British weapons and therefore cannot ‘‘reveal"’ important information to them; c. Noted that an exchange of information on tests is provided for in the U.S./U.K. bilateral agreement (AEC 781/6); d. Noted that the Assistant to the Secretary of Defense (Atomic Energy) will be notified of the above action by a letter such as the Appendix to AEC 663/3; e. Noted that the Joint Committee will be informed of the above determination after coordination with the DOD, 7, AC 508/16 - Draft Additional DowerAgreement with OVEC for the Supply of :50 MW Additional Power to Portsmouth Mr, Fields, Mr. Cook and Mr, Bloch reviewed at length the p= oposed additional agreement with CVEC for the purchase of excess - 32-

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