チェルノブイリ事故の後処理対応及び我が国への教訓
Post-processing Activities after Chernobyl Accident in Ukraine and LessonLearned to the Response on Fukushima Dai-Ichi Accident
著者:
藤井 有蔵 Yuzo FUJII
発刊日:
公開日:
Disposal of radioactive wasteDose from landand foodstuffSafety of damaged facilitiesShelter
概要
After the accident of Chernobyl NPP #4 1986, various activities including the construction of the shelter, prevention of the release of radioactive dust and liquid from the shelter, monitoring the condition of the damaged core, and disposal of radioactive waste have been impl emented in the Chernobyl site for mitigating the nuclear and radioactive risks of damaged nuclear facilities, and the reducing radiation dose of working personnel. The construction of new shelter started for the decommissioning of the damaged unit # 4. facility. For reducing the radiation dose to the inhabitants from the contaminated land and foodstuff, the countermeasures including the set of the exclusive zone and permissible level of radionuclide in the foodstuff have been conducted for the countrywide. These activities include many valuable i nformation about how to recover the condition of the site and maintain the social activities after the severe accident of NPP, and it would be important to learn the above activities in conducting the post-processing activities on the Fukushima-Daiichi accident successfully.
