# £ AOD _@-ReDBH Rr AIP TSIRACINIS T mT hid 3 es bat Nt ab dd _maventetrbdenattented 26, Tf desired, uranium 233 could be produced to some extent in the Savannah River reactors, at a sacrifice in tritium production. In addition, consideration is being given to the construction of a "converter" pile to convert uranium 235 to uranium e335. 37. Smaller Nuclear Cores. pertinent data, A list of nuclear cores, with is wiven in Tnabie I for reference purposes. 38. Plutonium cannot be used in the gun-type weapons (Mark 8, 9, 10, and 11) because of its higk neutron background ana resulting large predetonation probability. foe. i. lta The production of the Mark 8 and Mark 9 in appreciable numbers in 1952 will therefore entail a sisecable diversion of uranium 235, and re- sult in a temporary "excess" of plutonium. Nuw High Yield Nuclear Core. . AY\) 1 - QF Api AP I? SECON is, je)