2022年7月13日 · The first serious nuclear accident occurred at Chalk River Laboratories in 1952, followed by a second incident in 1958. Now that the federal government is compensating workers who took part in cleanup efforts.

Chalk River was also the site of two nuclear accidents in the 1950s. The first incident occurred on December 12, 1952, when there was a power excursion and partial loss of coolant in the NRX reactor, which resulted in significant damage to the core.

2010年10月26日 · The Chalk River laboratories of Canada suffered two serious nuclear accidents in their research reactor during the years 1952-1958.

2021年12月22日 · In December 1952, an experimental nuclear reactor in Chalk River, Ont., about 180 kilometres northwest of Ottawa, "experienced mechanical problems and operator error that led to overheating...

2025年1月4日 · On Dec. 12, 1952, a series of missteps and a mechanical failure led to the partial meltdown of the core of the NRX reactor at the Chalk River Laboratories on the Ottawa River, about 180...

The Chalk River accident, in December 1952, was the first destructive accident in what was then a fairly large thermal reactor; previous criticality accidents (with one exception)

The world's first major nuclear accident occurred in Ontario in 1952, followed by a second incident in 1958. Here's a look back at those episodes as the federal

After partial meltdown occurred at the Chalk River facility, causing explosions and a massive flooding of water, the Canadian government sought help from the U.S. The facility's reactor had to...

Back in the fifties, there were two rather serious nuclear reactor accidents at Chalk River, Ontario. The first occurred in 1952, when the NRX reactor underwent a violent power excursion that destroyed the core of the reactor, causing some fuel melting.

2022年5月10日 · In 1952 and 1958, the first nuclear reactor to exist outside of the United States, Chalk River Laboratories in Canada, found itself at the center of two potential nuclear disasters. The...