Who are the main people involved Tokaimura nuclear accident?

According to the radiation testing by the STA, Ouchi was exposed to 17 Sv of radiation, Shinohara 10 Sv, and Yokokawa received 3 Sv. The two technicians who received the higher doses, Ouchi and Shinohara, died several months later. Hisashi Ouchi, 35, was transported and treated at the University of Tokyo Hospital.

Did yokokawa survive?

in the village of Tokai, Ibaraki Prefecture. Masato Shinohara died seven months later, also a victim of lethal radiation exposure. The third employee, Yutaka Yokokawa, was hospitalized for several months then released. He has not yet fully recovered.

How much radiation did Hisashi Ouchi get?

The most critically ill of the workers, Hisashi Ouchi, 35, was exposed to about 17 sieverts of radiation, according to the Science and Technology Agency’s National Institute of Radiological Sciences in Chiba, near Tokyo.

How did Hisashi Ouchi get radiation?

Hisashi Ouchi was helping a colleague pour litres of uranium into a huge metal vat at the Tokaimura Nuclear Power Plant in 1999. However, due to a miscalculation, the liquid reached ‘critical point’ and released dangerous neutron radiation and gamma rays into the atmosphere.

Why is the Tokaimura nuclear accident important?

The Tokaimura accident was the worst nuclear accident in Japan and it shattered the trust of the Japanese people in the industry’s management capabilities for nuclear power generation and affected the future of Japan’s nuclear power industry.

How long was Hisashi Ouchi alive?

83 days
Hisashi Ouchi, aged 35, died 12 weeks after the accident. He had lost most of his skin, and was kept alive for 83 days, according to his parents and wife will.

How old was Ouchi?

workers exposed to massive radiation in September in the nation’s worst nuclear accident died of organ failure at a Tokyo hospital late Tuesday night, becoming the first fatality of his kind in Japan. Hisashi Ouchi, 35, was critically injured during an accident Sept.

What happened at Tokaimura nuclear accident?

30, 1999, Japan’s worst nuclear accident happened in a facility northeast of Tokyo. Three workers at a uranium-processing plant in Tokaimura, then the center of the Japanese nuclear-power industry, improperly mixed a uranium solution. A blue flash heralded trouble. As TIME wrote, “One [worker] was knocked unconscious.

How did the Tokaimura nuclear accident happen?

The accident was caused by bringing together too much uranium enriched to a relatively high level, causing a ‘criticality’ (a limited uncontrolled nuclear chain reaction), which continued intermittently for 20 hours.