A Slow Death: 83 Days of Radiation SicknessBy: Japan's worst nuclear radiation accident took place at a uranium reprocessing facility in Tokaimura, northeast of Tokyo, on 30 September 1999. The direct cause of the accident was cited as the depositing of a uranyl nitrate solutioncontaining about 16. 6 kg of uranium, which exceeded the critical massinto a precipitation tank. Three workers were exposed to extreme doses of radiation. Hiroshi Ouchi, one of these workers, was transferred to the