j . an , Sea rde Bree r . Res S. R. Sapirie, Manager ef Operations Oak Ridge B. Jd. Bloch, Director ef Production Washingten G0 | AUgO 1 tod a gi® BORON-10 SYMBOL? PT ES ', Subsequent te ay mene of May 15, which advised you ef the Reactor ‘ Development Division's enriched beren requirenents, there has developed one nisunderstanting concerning the 2-10 program which deserve further attentions 1) the distribution ef the Reastor Develepnent requirenents 2) during the five-year peried ecvered in my memo the requirements for programs ether than those of the Division of Reacter Develepuent and 3) your mthority te aake shipnents in aecerdance with established requirements. | the purpose of this meno is te attempt to elarify the above points and — provide you with further guidanee eencerning future activities devoted to the preduction and distribution ef enriched borce. Development fhe cumulative Reactar Develepment requirenents as shown in ay May 15 hem are unchanged. As the netallurgical anid reactar tests bein con- ducted by the Diviaion of Reactor Bevelepme:nt progress, we may expect tome shift in the tinting of the requiremente of each of the four sub- programs. In order to previde the necessery flexibility, you are sathorised to treat the total Fiacal Year 1956 and 1957 requirements in a cumulative mamer, and make shipments during FY 1957 wp to the difference between the total two year. (FY 'S6 and '§7) requirenents as shown in ay May 15 memo and actual shipments made during FY 1956. | | Your meme of May 18, subjects Elemental 8-10 fer lid Tank Facility, ORL, requested authority te transfer 00 pounds ef 8-10 from Hooker to ORNL fer AN? shielding studies. In aveerdance with the abeve, and as the total Fy 1956 and 1957 requirement fer ANP is 180 kgs, almost exactly equal to the request, you have the necessary authority te -7c, =e ee ee we he BY eset de COR ster’ 7 Ob set gs . Hier eel r£ ‘Signed ang dispatched 5000138 i

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