phosphate to ensure the complete eradication of diseased tissue following surgery. Somatte Mutation Studies 19. A number of agricultural experiment stations tn the eastern states have sent trees and shrubs to Brookhaven National Laboratory for planting in the cobalt 60 source. mature experimental have been set distances from the gamma source. of any age. surrounding a Trees or shrubs ranging from seedlings to flowering plants activity may be fleld out In the field at various Mutations induced by radio- expected to appear in buds of trees or plants Later, cuttings can be transferred as scions to other nonirradiated plants at the home agricultural stations. Mutations stmilarly tnduced in secds may become evident after a much longer period of growth and testing. project will result It is hoped that the in new and valuable varieties of trees and plants which can be made available to the public. % Argonne Cancer Research Hospital 20. The recently completed Argonne Cancer Research Hospital “ operated under contract by the University of Chicago was formally dedicated on March 14, 1953. The building, constructed and equipped at a cost of $4,200,000, was ready for occupancy in December bullt 1952. The 5&-bed specifically for the hospital is the largest study and application facility ever of atomic energy 21. Complete laboratory facilities, supplemented by a variety of radiation sources available in the Chicago area, will be used for both research and clinical studies in the dtagnosts and treatment of experimental cancers and whole-body radiation injury. Facilities of the hospital will be employed by the staffs - Part VI erat in the study, diagnosis, and treatment of cancer,