Monday, April 16, 2018

Radiation safety

Experts fail to find origin of nuclear pollution cloud over Europe

Explained: ruthenium 106 and Europe’s radioactive cloud
International experts have not been able to find what caused a cloud of radioactive pollution that spread over Europe last year and prompted fears of a nuclear leak, Swedish authorities said on Monday.
Monitoring stations recorded high levels of a radioactive isotope in the air over most European cities at the beginning of October.
Scientists from France said soon afterwards they thought the source was an accident at a nuclear facility in Russia or Kazakhstan - a suggestion dismissed by both countries.
A group of experts formed to investigate the incident had now decided there was not enough information to pinpoint the origin, Sweden’s radiation safety authority, one of the group’s members, said on Monday.
“Available data does not provide sufficient information to verify that the Ru-106 emissions originate from any of the activities that have been assumed to cause the event,” the Swedish authority said.

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