felt that the reviews should continue, including BNL, Berkeley (especially the MTA program), Ames, and Knolls, probably not Hanford. GAG Affairs ANL Report The question. of how the GAC could increase its usefulness to the AEC was raised, but no definitive conclusions were reached, At 2:05 p.m. the following persons joined the meeting: W. H. Zinn, N, Hilberry, F. RB. Shonka, S. Untermyer, F. G. Foote, W. M. Manning, H. V. Lichtenberger, 5S. McLain, J. R. Gilbreath, H. L. Hull, J. BR. Huffman, 5. -Lawroski, J.C. Boyce, H. Etherington, L. A. Turner (of the Argonne National Laboratory); A. Tammaro, J. J. Flaherty, R. C. Hageman (of the Chicago Operations Office); Commissioner Smyth and Dr. McDaniel. The remainder of the afternoon was devoted to the research and development program of the Argonne National Laboratory. EBR The discussion opened with a few questions about the Experimental Breeder Reactor (EBR) which had been inspected in the morning. The EBR will be used to obtain an integral measure of breeding gain in the neutron transformation of U~238and Pu-239. fast It will furnish useful experience on the effects of burn up, highflux, and on the use of liquid metal (Na or Na-K) coolant. The question of plutonium loading was discussed; further information on the metallurgy of plutonium and its alloys is needed, Liaison in With respect to liaison between ANL and other laboratories engaged in Reactor reactor development it was said that inter-laboratory planning discussions Program are not held formally, informal discussions. but that contact is maintained through visits and Most people are so busy that it is difficult for them to give proper attention to long-range planning. Dr. dZinn felt that the U.S. reactor program.could profit by increased effort; he omphasized

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