P-2a-104 Risk Analysis of Fatal and Incidental Lung Tumors in Wister Rats after Inhalation of Plutonium Dioxide

The current risk estimate in radiation protection is mainly based on the atomic bomb survivor data in Hiroshima and Nagasaki. Lung cancer risk from inhalation of plutonium is modified using the RBE of alpha-emitters. However, prolonged exposure to alpha radiation is likely to be much different from acute exposure such as the atomic bomb. This difference in exposure patterns has not been incorporated int