ANNUAL REPORT OF THE LABORATORY OF RADIATION BIOLOGY UNIVERSITY OF WASHINGTON, JULY 1, 1959 - JUNE 30, The Laboratory of Radiation Biology (formerly the Applied Fisheries Laboratory) has completed its seventeenth active contract research with the U. mission and its predecessors. on the testing of atomic S. Atomic year of Energy Com- The international moratorium devices during the past year has provided an opportunity for the vast amount of 1960 data that has Laboratory to evaluate the accumulated and to direct efforts into other areas of interest in the field of radiation biology. The work of the effort, Laboratory is coordinated into a unit but for ease in reporting and summarizing the opera- tions are reported individually. A. Fallout Studies at the Eniwetok Test Site Supervisors: Frank G. Lowman and Ralph F. Palumbo A continuous effort has been made to evaluate the biological impact of the series of devices tested during Operation Hardtack in 1958. Radiochemical separations and gamma spectrometric analyses were made on a sample of fallout from one device detonated

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