Next, the Chairman asked Dr, Libby for comments on the progress Sunshine of Project Sunshine. Dr, Libby briefly reported that fallout over the Progress continents from the Castle series had been very large, that it had not yet shown up in food and human samples, It was expected to show up in|: ee an vegetation and food by Thanksgiving,’ and in humans by Easter. Rise. * ~~: ff by a factor twenty was anticipated. 3 Division of Biology and Medicine. The project is under the AEC Dr. Libby has responsibility for food and homan assays » Dr. Kulp and Mr. Eisenbud for fallout measurements AG 9130 a.m ‘the following persons joined the meeting: Mr. Strauss, Dr. Bradbury, Dr. Mark, Dr. Schreiber, Dr. Froman, Dr. Jane Hall, Mr, Quinn, Dr. Fine, and General Fields, entered at this tine. Dr. von Neumann also Dr. Max Roy entered & few minutes later, . Dri faby went on to say that the subject was 1kely to become a matter of more and more urgency. The effort was being expensed somewhat; further expansion might be needed, dependingon results which should be in by the end of the year. He said that ruthenium as well as strontium contamination might become dangerous in the region oe re ame (een —— r Moteene of 2-20 x 107 megatons. Oe er ee nen. Dr. Rabi then ‘called on Mr. Strauss for remarks; the letter had none at this time. The meeting was turned over to General Fields, who had asked to bring up the question of U-233 production.’ General Fields reported that the Divisions of Military Application and Production had recommended to the General Manager , for approval con yet SS a planning basis, the large scele production of uranium-233. If