This publication is one of a series of information booklets for the general public published by the United States Atomic Energy Commission. This booklet deals with the handling, processing and disposal of radioactive wastes. Among the topics discussed are: The Nature of Radioactive Wastes; Waste Management; and Research and Development. There are four appendices which list: Naturally Occurring Radioisotopes Encountered in Mining, Milling, and Fuel Preparation in the Uranium Fuel Cycle; Principle Fission-product Radioisotopes in Radioactive Wastes; Principle Activation-product Radioisotopes Produced by Neutron Irradiation of Nonfuel Materials; and a List of Firms Licensed to Receive and Dispose of Radioactive Wastes. A list of suggested references at the popular and technical level, including books, reports, articles, and motion pictures, is included. Schools and public libraries may obtain a complete set of the booklets without charge. (BT)