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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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Aviation In aviation, employees are exposed to cosmic radiation. Cosmic radiation is particle radiation emitted by the sun or from space. If it is possible that the effective dose of cosmic radiation to the aircrew may exceed 1 millisievert (mSv) ...https://stuk.fi/en/aviation
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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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STUK online Find us on social media: Facebook: facebook.com/sateilyturvakeskus Instagram: instagram.com/stuk_fi/ Threads: stuk_fi LinkedIn: linkedin.com/company/stuk YouTube: youtube.com/user/sateilyturvakeskus Hiddenhttps://stuk.fi/en/social-media
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Publications STUK's publications are available in Julkari, the joint open-access publication archive of the Ministry of Social Affairs and Health. STUK's own serial publications and brochures are published there in full, in PDF format. STUK also p...https://stuk.fi/en/publications
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Strategy As climate change, the energy transition, inequality and the tightened global security situation reshape and challenge societies, we must better understand how and in what ways the use of radiation and nuclear energy affects them. We need...https://stuk.fi/en/strategy
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Hiddenhttps://stuk.fi/en/newsletter
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Decommissioning of a nuclear facility When a nuclear facility reaches the end of its service life, measures to decommission the facility are initiated. The measures are aimed at cleaning the nuclear power plant structures and systems of radioactiv...https://stuk.fi/en/decommissioning
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9.9.2026 | MEASUREMENT INSTRUCTION: INDOOR RADON MEASUREMENT STUK SÄTEILYTURVAKESKUS STRÅLSÄKERHETSCENTRALEN RADIATION AND NUCLEAR SAFETY AUTHORITY Osoite | Adress | Jokiniemenkuja 1, 01370 Vantaa | Ånäsgränden 1, 01370 Vanda Address | Jokiniemenkuja 1, 0137...https://stuk.fi/documents/150192312/226230938/E_Asunnon_sis%C3%A4ilman_radonmittausohje_2026.pdf/6705c7e0-ecf1-2232-c3b0-7d19a312dcab?t=1788936840021
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9.9.2026 | MEASUREMENT INSTRUCTION: WORKPLACE RADON MEASUREMENT STUK SÄTEILYTURVAKESKUS STRÅLSÄKERHETSCENTRALEN RADIATION AND NUCLEAR SAFETY AUTHORITY Osoite | Adress | Jokiniemenkuja 1, 01370 Vantaa | Ånäsgränden 1, 01370 Vanda Address | Jokiniemenkuja 1, 0...https://stuk.fi/documents/150192312/226230938/E_Ty%C3%B6paikan_sis%C3%A4ilman_radonmittausohje_2026.pdf/33743472-fa7a-9243-fb55-164a5d4b2c5e?t=1788937760412
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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) 3.9.2026 Press release IAEA Press Release: IA...https://stuk.fi/en/current-issues
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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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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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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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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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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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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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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