• 21 November 2017
  • From the sectionEurope
Map highlighting Russia and Kazakhstan, with location of the Mayak nuclear facility

Russia says a nuclear accident has not occurred on its territory despite “extremely high” traces of a radioactive isotope being found.

Russia’s weather service acknowledged it had measured pollution of ruthenium-106 at 1,000 times normal levels in the Ural mountains.

It said there was no health risk.

The announcement appeared to confirm a report by France’s nuclear safety institute which detected a cloud of radioactive pollution over Europe.

The Institute for Radioprotection and Nuclear Safety (IRSN) said on 9 November it had detected ruthenium-106 in France. It added that the source of contamination could have been an accident at a nuclear facility in either Russia or Kazakhstan.

Both countries said nothing untoward had happened at their plants.

The report by the Russian meteorological service, Roshydrome, is the first official data from the country supporting the French report.

Roshydrome said two stations in the southern Ural mountains found “extremely high pollution” of the radioactive isotope between September and October.

A station close to the Mayak nuclear facility in Chelyabinsk region indicated levels 986 times those of the previous month, it said, without specifying the origins of the pollution.

Mayak, owned by state nuclear company Rosatom, is a large plant that reprocesses nuclear fuel. It said it was not the source of the increased level of ruthenium-106 while Rosatom said there were no accidents at any of its facilities.

The Mayak plant was the scene of a major nuclear accident in 1957, when a waste storage facility blew up.

Ruthenium-106 is a product of splitting atoms in a reactor and does not occur naturally. It is also used in some medical treatments.

Courtesy: BBC

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