-2he However, enrichment now appears unnecessary as far as tritium 4s concerne and the problems may have been solved by the time enriched loading 4s use ts make U-233, ‘Dr, Wigner observed that the U-233 program was not very yell settled yet, but that in any case thorium makes for a little better stability because of the temperature coefficient of the resonance capture Mr, Whitman mentioned the zero power pile and the production type‘ pile built specifically for development work at Savannah River. He had felt it was a goodidea to have these reactors,,“but had not studied the matter closely. . At 2s 30 Pam ‘Dr. von Neumann left the meeting. _ Boiling Water Reactor With regard to the question on o the boiling water reactor in the pre- necting letter, Mr. Whitman said that. this would be considered in a meeting of the Reactor Subcommittee later in the day. Mr, Whitman “mentioned his impression that the K-25 group would like 7: ‘ Research on Isotope Sepava= 4nen to be asked by the Coumission to increase the scope of its research on methods of. isotope separation, This was discussed to some extent, The Committee seemed to feel that isotope separation research should be encoureged in general, Dr. Libby being the most strongly outspoken pro- ponent of this view. (Appendix C, item 3c) DOE ARCHIVES The Chairman next brought up the subject of AEC policy on research Policy on AC 3ns by foreigners at BNL and UCRL. This had originally been an agenda item for discussion by the General Manager; however, it had been learned that the Commission had reformulated its policy on this subject and a copy of a paper (AEC 89/3) was available. Bo He read portions of this document. Lee - 047