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A criticality accident occurred on December 30, 1958, at the Los Alamos National Laboratory in Los Alamos, New Mexico, in the United States. It is one of 60 known criticality events that have occurred outside the controlled conditions of a nuclear reactor or test, though it was the third such event that took place in 1958 after events on June 16 at the Y-12 Plant in Oak Ridge, Tennessee, and on October 15 at the Vinča Nuclear Institute in Vinča, Yugoslavia. The accident involved plutonium compounds dissolved in liquid chemical reagents; within 35 hours, it killed chemical operator Cecil Kelley by severe radiation poisoning.

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  • A criticality accident occurred on December 30, 1958, at the Los Alamos National Laboratory in Los Alamos, New Mexico, in the United States. It is one of 60 known criticality events that have occurred outside the controlled conditions of a nuclear reactor or test, though it was the third such event that took place in 1958 after events on June 16 at the Y-12 Plant in Oak Ridge, Tennessee, and on October 15 at the Vinča Nuclear Institute in Vinča, Yugoslavia. The accident involved plutonium compounds dissolved in liquid chemical reagents; within 35 hours, it killed chemical operator Cecil Kelley by severe radiation poisoning. (en)
  • Un accident de criticité est survenu le 30 décembre 1958 au Laboratoire national Los Alamos au Nouveau-Mexique, aux États-Unis. Ce fut l’un des dix accidents de criticité à se produire en dehors d’un réacteur nucléaire et le troisième survenu en 1958 après ceux du 16 juin à l’usine Y-12 de Oak Ridge au Tennessee, et du 15 octobre à l'Institut des sciences nucléaires de Vinča, en Yougoslavie. L'accident impliqua des composés de plutonium dissous dans des réactifs chimiques liquides et tua Cecil Kelley, un technicien chimiste, par irradiation en moins de 35 heures. (fr)
  • ロスアラモス臨界事故(ロスアラモスりんかいじこ)とは、アメリカ合衆国ニューメキシコ州ロスアラモスにあるロスアラモス国立研究所のプルトニウム回収施設で発生した臨界事故。 (ja)
  • 세실 켈리 임계사고(영어: Cecil Kelley criticality accident)는 1958년 12월 30일 미국 뉴멕시코주 로스앨러모스 국립 연구소에서 일어난 임계사고이다. 역사상 원자로 외부에서 일어난 임계사고 10건 중 하나이다. 1958년 사고 당시에는 6월 16일 미국 테네시주 오크리지의 임계사고, 10월 15일 유고슬라비아 베오그라드의 임계사고에 이어 역사상 3번째로 일어난 임계사고이다. 액체 시약에 용해된 플루토늄 화합물에 임계 반응이 일어나 사고로 화학자 세실 켈리가 급성방사선증후군으로 35시간 만에 사망했다. (ko)
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  • Left: Configuration of solutions in the vessel before the accident. Right: Vessel in which the accident occurred (en)
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  • KelleyCriticalityVessel1.png (en)
  • KelleyCriticalityVessel2.jpg (en)
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  • A criticality accident occurred on December 30, 1958, at the Los Alamos National Laboratory in Los Alamos, New Mexico, in the United States. It is one of 60 known criticality events that have occurred outside the controlled conditions of a nuclear reactor or test, though it was the third such event that took place in 1958 after events on June 16 at the Y-12 Plant in Oak Ridge, Tennessee, and on October 15 at the Vinča Nuclear Institute in Vinča, Yugoslavia. The accident involved plutonium compounds dissolved in liquid chemical reagents; within 35 hours, it killed chemical operator Cecil Kelley by severe radiation poisoning. (en)
  • Un accident de criticité est survenu le 30 décembre 1958 au Laboratoire national Los Alamos au Nouveau-Mexique, aux États-Unis. Ce fut l’un des dix accidents de criticité à se produire en dehors d’un réacteur nucléaire et le troisième survenu en 1958 après ceux du 16 juin à l’usine Y-12 de Oak Ridge au Tennessee, et du 15 octobre à l'Institut des sciences nucléaires de Vinča, en Yougoslavie. L'accident impliqua des composés de plutonium dissous dans des réactifs chimiques liquides et tua Cecil Kelley, un technicien chimiste, par irradiation en moins de 35 heures. (fr)
  • ロスアラモス臨界事故(ロスアラモスりんかいじこ)とは、アメリカ合衆国ニューメキシコ州ロスアラモスにあるロスアラモス国立研究所のプルトニウム回収施設で発生した臨界事故。 (ja)
  • 세실 켈리 임계사고(영어: Cecil Kelley criticality accident)는 1958년 12월 30일 미국 뉴멕시코주 로스앨러모스 국립 연구소에서 일어난 임계사고이다. 역사상 원자로 외부에서 일어난 임계사고 10건 중 하나이다. 1958년 사고 당시에는 6월 16일 미국 테네시주 오크리지의 임계사고, 10월 15일 유고슬라비아 베오그라드의 임계사고에 이어 역사상 3번째로 일어난 임계사고이다. 액체 시약에 용해된 플루토늄 화합물에 임계 반응이 일어나 사고로 화학자 세실 켈리가 급성방사선증후군으로 35시간 만에 사망했다. (ko)
rdfs:label
  • Cecil Kelley criticality accident (en)
  • Accident de criticité de Cecil Kelley (fr)
  • 세실 켈리 임계사고 (ko)
  • ロスアラモス臨界事故 (ja)
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