The Radiation and Nuclear Safety Authority detected a small amount of radioactive cobalt in particle samples collected from the outdoor air in Imatra in March. The concentration was so low that it posed no risk to people or the environment.
Press releases and news
The Radiation and Nuclear Safety Authority detected a small amount of radioactive cobalt in particle samples collected from the outdoor air in Imatra in March. The concentration was so low that it posed no risk to people or the environment.
5.3.2026
Press release
Espoo’s nuclear reactor is now decommissioned, and the site has been cleaned of radioactivity
Finland’s first nuclear reactor is no longer classified as a nuclear facility. At the end of last year, the Radiation and Nuclear Safety Authority concluded that the dismantling and decontamination of the Otaniemi research reactor from all radioactive materials had been completed. The building can now be r...
16.2.2026
News item
Nuclear Safety Is a ‘Common Good’ for European Citizens, Conclude Heads of the French and Finnish Nuclear Regulators
STUK and ASNR, the nuclear and radiation safety authorities in Finland and France, met for bilateral discussions in Vantaa and Olkiluoto from February 11th to February 13th.