A powerful burst of radiation was released at 10.35 a.m. local time, (1.35 a.m. Irish time), delivering a likely fatal dose to Hisashi Ouchi and Masato Shinohara. They also did not find any in the water or sea. [8] Tokai residents demanded criminal prosecution of PNC officials, reorganization of company leadership and closure of the plant itself. [21] Among those arrested was Yokokawa for his failure to supervise proper procedures. This change mandated both safety education and quality assurance of all facilities and activities associated with nuclear power generation. AS WELL the coroner had stated that there was a well defined edge or transition from the "burned" front of Ouchi's body to the back which w. Most dire was his lack of white blood cells and the absence of an immune response. A 2000 U.S. Nuclear Regulatory Commission report noted that before Tokaimura, 21 previous criticality accidents had occurred between 1953 and 1997. Moreover, he received numerous skin grafts and blood transfusions. Death cause. [11], At the wishes of his family, doctors repeatedly revived Ouchi when his heart stopped, even as it became clear the damage his body had sustained through radiation was untreatable. Showbiz Corner Six officials from the company that operated the plant were charged with professional negligence and violating nuclear safety laws. The Federation of Electric Power Companies of Japan (FEPC)", "Japan: Nuclear share of electricity generation", "Nuclear Workers Appeared Unaware of Dangers", "Japan's record of nuclear cover-ups and accidents", "Tokai nuclear fuel plant reopens after 1997 fire", "Explosion at PNC Tokai reprocessing plant | Wise International", "Lessons learned from the JCO Nuclear Criticality Accident in Japan in 1999", https://www.nrc.gov/reading-rm/doc-collections/commission/secys/2000/secy2000-0085/attachment1.pdf, http://nationalrep.org/2000/Japan%20Criticality%20Accident%20-%20Davis.pdf, "The Tokaimura Accident: Nuclear Energy and Reactor Safety", http://www-ns.iaea.org/downloads/iec/tokaimura-report.pdf, "JCO employees plead guilty to negligence in deaths at Japanese nuclear facility", "Scientists Fear Wider Risk in Japan Accident", "Nuclear Accident in Tokai Is Among Japan's Worst", "Japanese Nuclear Accident Timeline of Events", Tokaimura Criticality Accident What happened in Japan, Criticality accident at Tokai nuclear fuel plant (Japan), https://en.wikipedia.org/w/index.php?title=Tokaimura_nuclear_accidents&oldid=1152681823, Wikipedia articles needing page number citations from September 2022, Short description is different from Wikidata, Articles needing more viewpoints from April 2018, Wikipedia introduction cleanup from May 2020, Articles covered by WikiProject Wikify from May 2020, All articles covered by WikiProject Wikify, Wikipedia articles needing clarification from September 2020, All Wikipedia articles needing clarification, Articles with multiple maintenance issues, Articles with unsourced statements from January 2023, Articles with failed verification from January 2022, Creative Commons Attribution-ShareAlike License 3.0, Criticality event occurred, setting off radiation monitors and alarms; evacuation begins and employees exposed to radiation, 3 workers: Hisashi Ouchi, Masato Shinohara and Yutaka Yokokawa, (5 hours later) STA confirms continuing chain reactions; Tokaimura sets up headquarters for the incidents, (12 hours later) broadcasts all surrounding residents to evacuate, informs Japan's leadership and ceased all crop and water usage.