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STUK supervises radiation practices The Radiation and Nuclear Safety Authority (STUK) supervises the safety of the use of ionising radiation and other radiation practices. The supervision consists of inspections of the radiation facility and other...https://stuk.fi/en/stuk-supervises-radiation-practices
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Supervision of beauty care and solarium services The Radiation and Nuclear Safety Authority supervises the use of radiation in beauty care and solarium services, but the responsibility for the safety of the services is always solely on the service...https://stuk.fi/en/supervision-of-beauty-care-and-sunbed-services
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Valitse kieli Suomi Välj språket Svenska Select language English STUK’s supervision ensured the safety of radiation practices The use of radiation is a key part of modern healthcare and is also involved in many processes in heavy industry as well ...https://stuk.fi/en/stuk-s-supervision-ensured-the-safety-of-radiation-practices
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6.10.2025 | Fortum Power and Heat has completed this year’s annual outage of the Loviisa nuclear power plant. The Radiation and Nuclear Safety Authority supervised that the annual outage work was carried out safely and in accordance with provisionshttps://stuk.fi/en/-/stuk-supervised-annual-outage-of-loviisa-nuclear-power-plant
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12.5.2025 | -https://stuk.fi/en/-/the-radiation-and-nuclear-safety-authority-develops-licensing-and-supervision-through-a-system-reform
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5.3.2026 | -https://stuk.fi/en/-/espoo-s-nuclear-reactor-is-now-decommissioned-and-the-site-has-been-cleaned-of-radioactivity
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Valitse kieli Suomi Välj språket Svenska Select language English Director General’s review For the Radiation and Nuclear Safety Authority (STUK), 2024 was a year of significant development and change. In addition to basic radiation and nuclear saf...https://stuk.fi/en/director-general-s-review-2024
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Valitse kieli Suomi Välj språket Svenska Select language English The use of nuclear energy carried out safely — the regulatory reform is progressing Based on STUK’s supervision, the use of nuclear energy did not pose a risk to the population, soci...https://stuk.fi/en/the-use-of-nuclear-energy-carried-out-safely-the-regulatory-reform-is-progressing
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Radiation and Nuclear safety Authority of Finland Radiation and Nuclear Safety Authority’s (STUK) key task is to supervise the use of radiation and nuclear energy in Finland. STUK oversees that all operators comply with the common rules. Our field...https://stuk.fi/en/get-to-know-stuk
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Research reactor in Otaniemi Finland's first nuclear reactor was commissioned in Otaniemi, Espoo, in 1962. The research reactor was decommissioned in 2015, and ten years later, the facility was released from STUK's regulatory oversight. The FiR 1 ...https://stuk.fi/en/research-reactor-in-otaniemi
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Reporting on nuclear safety Valitse kieli Suomi Välj språket Svenska Select language English Oversight reports of spent nuclear fuel final disposal facility STUK carries out inspections of the spent fuel encapsulation and disposal facility in Olki...https://stuk.fi/en/oversight-reports-of-final-disposal-facility
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Nuclear facility operations Regulatory oversight during the operation of the nuclear facility includes continuous safety assessments. By conducting supervision during operation, STUK aims to ensure that the nuclear facilities are and will remain i...https://stuk.fi/en/nuclear-facility-practices
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Reporting on nuclear safety Valitse kieli Suomi Välj språket Svenska Select language English Inspections at the Olkiluoto nuclear power plant STUK carries out inspections to oversee the operation and use of the Olkiluoto nuclear power plant. The p...https://stuk.fi/en/inspections-at-the-olkiluoto-nuclear-power-plant
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Trade, import and export of radioactive materials and consumer products The Radiation and Nuclear Safety Authority supervises the trade in radioactive substances as well as their import to Finland and export from Finland. Import and export is also...https://stuk.fi/en/trade-of-radioactive-materials
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organisation and management team The Radiation and Nuclear Safety Authority (STUK) is the authority responsible for supervising radiation and nuclear safety in Finland. STUK’s operations are based on the Act on the Radiation and Nuclear Safety Aut...https://stuk.fi/en/organisation-and-management-team
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Nuclear safety STUK supervises nuclear safety in Finland. The license holder is responsible for the safety of nuclear energy use, but STUK sets the safety requirements and oversees their compliance. STUK's supervision includes nuclear facilities, ...https://stuk.fi/en/nuclear-safety
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Renewal of the nuclear safety regulation STUK's nuclear safety regulation is revised. The aim of the renewal is to make the regulations and regulatory guides issued under the Nuclear Energy Act (990/1987) more goal-oriented and risk-conscious and ...https://stuk.fi/en/renewal-of-the-nuclear-safety-regulation
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Radon in other premises used by people The municipality's health protection authority supervises compliance with the reference levels of radon in dwellings and other premises used by people (Radiation Act 859/2018, Section 15). More information Fi...https://stuk.fi/en/radon-in-other-premises-used-by-people
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Valitse kieli Suomi Välj språket Svenska Select language English STUK’s Finances 2024 In 2024, STUK’s operating expenses were approximately EUR 41 million. Approximately 45% (EUR 18.5 million) of operational funding came from the Government’s budg...https://stuk.fi/en/stuk-s-finances-2024
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Olkiluoto 3 The newest nuclear power plant unit in Finland is Olkiluoto 3, which is located in Olkiluoto, Eurajoki, Finland, owned by Teollisuuden Voima Oyj (TVO). STUK has supervised the project from the design of the plant unit through manufactu...https://stuk.fi/en/en/olkiluoto-3