DOSIMETRY RECORDS CENTRALIZATION A. E. Bicker, REECO To assimilate and organize into central location all existing dosimetry data and historical information relating to personnel exposure resulting from the nuclear weapons testing program. URANIUM MINER LUNG CANCER STUDY G. Saccomanno, St. Mary's Hospital, Grand Junction, Colo. To collect medical data from alive and dead uranijum miners for lung cancer research. Follow-up of uranium miners in the Colorado Plateau; study of ' changes in sputum cytology. SOMATIC CELL CHROMOSOME CHANGES IN HUMANS EXPOSED TO 3°pLUTONIUM 222 RADON AND W. F. Brandom, University of Denver To use the cytogenetic data from plutonium workers and uranium miner blood cells to provide a biological indicator of.absorbed radiation mutagenic effects; study of chromosome abnormalities in workers in Rocky Flats. THE INFLUENCE OF LATE RADIATION EFFECTS ON IMMUNOLOGIC PARAMETERS OF AGING Dr. T. Makindan, University of California - Los Angeles Late radiation effects on various immunologic parameters in Japanese survivors. INDALO: A STUDY OF PLUTONIUM IN THE ENVIRONMENT - SPAIN Lawrence Livermore Laboratories To support the Spanish AEC study of the health and safety aspects of plutonium released into the rural agricultural environment of Palomares, Spain MORTALITY FROM LEUKEMIA AND CANCER IN SHIPYARD NUCLEAR WORKERS T. Najarian, Boston Univ. School of Medicine & T. Colton, Dartmouth Medical School Study.of mortality from leukemia and cancer in shipyard nuclear workers