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Showing 101 to 120 of 1,446 entries.
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Ultrasound Ultrasound refers to mechanical waves with frequencies higher than the upper audible limit of human hearing (more than 20 kilohertz). Ultrasound always requires a medium, such as air, liquid, solid or human tissue, to propagate, using p...https://stuk.fi/en/ultrasound
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Sunbeds The most dangerous devices in the home and in beauty care in terms of radiation are sunbeds for tanning the skin. They produce ultraviolet (UV) radiation with which it is possible to tan, and in the worst case, burn skin. A permanent tan a...https://stuk.fi/en/sunbeds
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4.8.2026 | Statement 1 (12) STUK 4/H42213/2022 3.8.2026 STUK SÄTEILYTURVAKESKUS STRÅLSÄKERHETSCENTRALEN RADIATION AND NUCLEAR SAFETY AUTHORITY Osoite | Adress | Jokiniemenkuja 1, 01370 Vantaa | Ånäsgränden 1, 01370 Vanda Address | Jokiniemenkuja 1, 01370 Van...https://stuk.fi/documents/150192312/154500375/STUKin_lausunto_Posivan_k%C3%A4ytt%C3%B6lupahakemuksesta_(en).pdf/e1d8bc7a-36c5-47b8-88a7-623c6281d818?t=1785821138751
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Construction of a nuclear facility Following the decision-in-principle, the party in charge of the project must apply for and be granted the Government’s licence to construct the nuclear facility. In connection with the construction licence, the a...https://stuk.fi/en/construction
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19.7.2022 | Säteilyturvakeskus lähettää yhdessä Ruotsin ja Norjan säteilyvalvontaviranomaisten kanssa Tšernobylin laitosalueelle muun muassa työntekijöiden säteilyannosten valvontaan ja ympäristön säteilyarvojen seurantaan tarkoitettuja mittauslaitteistoja. Tuen arvo on yhteensä noin 360 000 euroa. Uudet mittalaitteet toimitetaan alueelle vuoden 2022 loppuun mennessä.https://stuk.fi/-/sateilyturvakeskus-lahettaa-yhdessa-norjan-ja-ruotsin-viranomaisten-kanssa-mittauslaitteita-tsernobylin-laitosalueelle
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Radon mitigation Radon mitigation can easily reduce radon concentration in indoor air. The most effective mitigation methods are sub-slab suction and a radon well. Before starting the mitigation, it is important to check that the ventilation is wo...https://stuk.fi/en/radon-mitigation
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Base stations Operation and placement of base stations Data communication between the mobile phone and the base station is carried out using radio waves. The call or other information is transmitted from the mobile phone as a radio wave to the nea...https://stuk.fi/en/base-stations
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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
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Before construction of nuclear facility The first stage of a new nuclear power plant project is the environmental impact assessment. The aim is to reduce or completely prevent the adverse environmental impacts of the project. After this, the nucle...https://stuk.fi/en/before-construction
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Sealed sources Sealed sources are radioactive sources containing radioactive material that has been encapsulated in a solid, impenetrable capsule, preventing the radioactive material from spreading to its surroundings. From a sealed source the rad...https://stuk.fi/en/sealed-sources
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Nuclear material Nuclear materials refers to nuclear materials, which include uranium, plutonium and thorium, as well as other nuclear materials, equipment, installations, data materials and agreements, if they are relevant in terms of the spread ...https://stuk.fi/en/nuclear-materials
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Current issues We are publishing press releases and news articles on topical radiation and nuclear safety issues on this section of our website. Press releases RSS (Opens New Window) (Opens New Window) 4.8.2026 Press release The Radiation and Nucl...https://stuk.fi/en/current-issues
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Staff Report In 2024, the Radiation and Nuclear Safety Authority (STUK) continued its long-term efforts to ensure staff competence and well-being. The number of employees grew by just over 3%, reaching 311 by the end of the year. STUK is character...https://stuk.fi/en/staff-report
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Radiation measurements In a radiation hazard situation, radiation measurements aim to obtain as good a picture as possible of the radiation situation and its development. For example, if there was a serious accident at a nuclear power plant, the n...https://stuk.fi/en/radiation-measurements
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HERCA awareness HERCA's campaign page, where you can find more information about the campaign's themes . Contact us: [email protected] (health care and veterinary medicine) [email protected] (dental X-ray) Hiddenhttps://stuk.fi/en/awareness-campaign
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European collaboration European research platforms are indispensable to the scientific basis of the radiation safety and research funding. Radiation safety is a relatively narrow but multidisciplinary research field also in other European countrie...https://stuk.fi/en/european-collaboration
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Regulatory Guides on nuclear safety and security (YVL) Authorisation According to Section 7 r of the Nuclear Energy Act (990/1987), the Radiation and Nuclear Safety Authority (STUK) shall specify detailed safety requirements concerning the impleme...https://stuk.fi/en/yvl-guides
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Talvivaara mine The Talvivaara mine is Terrafame's multi-metal mine located in Sotkamo. Terrafame Ltd submitted an application to the State Council to start uranium production at the mine in late 2017. In spring 2018, the company submitted the app...https://stuk.fi/en/talvivaara-mine
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Reporting on nuclear safety Valitse kieli Suomi Välj språket Svenska Select language English International reporting on nuclear safety STUK's international reports on the status and regulatory oversight of Finland's nuclear safety have been compil...https://stuk.fi/en/international-reports
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Measuring radon The most common method of measuring radon concentration in the indoor air in a dwelling or workplace is an alpha track detector, which reveals the long-term mean concentration. Reliable measurement should last at least two months ,...https://stuk.fi/en/measuring-radon