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The Tokaimura nuclear accidents refer to two nuclear related incidents near the village of Tōkai, Ibaraki Prefecture, Japan. The first accident occurred on 11 March 1997, producing an explosion after an experimental batch of solidified nuclear waste caught fire at the Power Reactor and Nuclear Fuel Development Corporation (PNC) radioactive ...
Fifty-seven accidents or severe incidents have occurred since the Chernobyl disaster, and about 60% of all nuclear-related accidents/severe incidents have occurred in the USA. [10] Serious nuclear power plant accidents include the Fukushima nuclear disaster (2011), the Chernobyl disaster (1986), the Three Mile Island accident (1979), and the SL ...
Tokaimura, Japan: The criticality accident at the Tokai fuel fabrication facility. [41] Hundreds of people were exposed to radiation and two workers later died. This is not a nuclear power plant accident, however. [45] 2: 4 2002: Onagawa, Japan: Two workers were exposed to a small amount of radiation and suffered minor burns during a fire. [45 ...
Nuclear Engineering International reported that all four units were successfully automatically shut down, but emergency diesel generators at the site were out of order. [10] People were evacuated around 10 kilometres (6.2 mi) from the plant, due to possible radioactive contamination .
Two separate nuclear accidents occurred in the 90s at the Tokai plant and nearby reprocessing facility, both in Tokai village (Tokaimura). In March 1997 a fire broke out in the bituminisation facility where spent fuel is encased in molten asphalt (bitumen) for storage.
1999 and 1997 Tokaimura nuclear accidents; 1996 San Juan de Dios radiotherapy accident; 1994 Theft of radioactive material in Tammiku, Estonia. [4] 1993 Tomsk-7 accident at the Reprocessing Complex in Seversk, Russia, when a tank exploded while being cleaned with nitric acid. The explosion released a cloud of radioactive gas (INES level 4). [5]
Tokaimura nuclear accident (Japan) – 1999, three inexperienced operators at a reprocessing facility caused a criticality accident; two of them died. [ 11 ] Mayapuri (India) – 2010, a university irradiator was sold for scrap and dismantled by dealers unaware of the hazardous materials.
These accidents included the Tokaimura nuclear accident, the Mihama steam explosion, cover-ups after accidents at the Monju reactor, and more recently the Kashiwazaki-Kariwa Nuclear Power Plant was completely shut down for 21 months following an earthquake in 2007. While exact details may be in dispute, it is clear that the safety culture in ...