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There have been two Tokaimura nuclear accidents at the nuclear facility at Tōkai, Ibaraki. #On 11 March 1997, a small explosion in a Dōnen plant. #On 30 September 1999, a serious criticality accident in a JCO plant. ==In 1997== The first Tokaimura nuclear accident was the accident which occurred on 11 March 1997, in a nuclear reprocessing plant of the Dōnen (Power Reactor and Nuclear Fuel Development Corporation). Another name is the Dōnen accident (). On the night of Tuesday 11 March 1997, a small explosion occurred in a nuclear reprocessing plant of the Dōnen. Windows were smashed and smoke escaped to the atmosphere. On Thursday, workers repaired thirty broken windows and three doors with duct tape. They had been damaged during the blast. At least 37 workers were exposed to elevated levels of radiation during the incident. A week after the event, meteorological officials detected unusually high levels of Cesium south-west of the plant. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tokaimura nuclear accident」の詳細全文を読む スポンサード リンク
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