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Radiation today In this section you can find latest results on external radiation around Finland. The map displays about 255 external dose rate monitoring stations. The map can be moved and zoomed. Click on the map points to see local rates. The r...https://stuk.fi/en/radiation-today
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Radon maps of Finland The radon maps of Finland are based on measurements conducted in low-rise residential buildings by STUK and Sustera Radon Consulting Oy, using radon measurement detectors. The first radon map shows the medians of radon concen...https://stuk.fi/en/maps-of-radon-in-finland
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Prerequisites for a safety licence On this page you will find information on the obligations of all undertakings with regard to the safe use of radiation. Safety assessment concerning a radiation practice In practices subject to a safety licence, ...https://stuk.fi/en/prerequisites+for+a+safety+licence
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Subscribe news articles With the form below, you can subscribe to the Radiation and Nuclear Safety Authority's (STUK) latest press releases, news, and blog posts. Choose from the form below which of STUK's published articles you would like to rece...https://stuk.fi/en/subscribe-stuk-s-news-articles
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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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What could threaten Finland? Impacts of a radiation accident can only affect a large area if large amounts of radioactive gases and particles are released into the air. Depending on the weather conditions, a serious nuclear power plant accident in...https://stuk.fi/en/what-could-threaten-finland-
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Anonymized radiation safety deviations On this page STUK publishes anonymized descriptions of the radiation safety incidents that must be reported without delay, the reasons for them, the resolution of the deviations and the measures to prevent si...https://stuk.fi/en/anonymized-radiation-safety-deviations
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Abnormal events related to radiation The Radiation and Nuclear Safety Authority (STUK) has plans for a radiation hazard situation, and the measures necessary in the event of an emergency are regularly practised. STUK's expert on call receives all ...https://stuk.fi/en/abnormal-events-related-to-radiation
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STUK's measurement and calibration services subject to a charge The Radiation and Nuclear Safety Authority (STUK) provides companies and private citizens with various radiation-related measurement, calibrations and expert services. Measurement of ...https://stuk.fi/en/stuk-s-measurement-and-calibration-services
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The Posiva encapsulation plant and final disposal facility Posiva Oy (Posiva) will soon start operating an encapsulation plant and final disposal facility for spent nuclear fuel in Olkiluoto, Eurajoki. The facility will be used for the packaging a...https://stuk.fi/en/final-disposal-facility
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Peaceful use of nuclear energy The aim of international safeguards is to ensure that nuclear materials are not diverted from peaceful uses to nuclear explosive devices and that activities do not contribute to nuclear proliferation. It is based on ...https://stuk.fi/en/peaceful-uses-of-nuclear-energy
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Electricity networks generate electric and magnetic fields Electricity is transmitted from power plants to consumers through the electricity networks. They consist of various electrical lines and cables, substations and distribution substations, a...https://stuk.fi/en/electrical-networks-and-power-lines
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Regulatory oversight of nuclear safety Regulatory oversight of nuclear safety and security is based on the obligations and responsibilities set out in the Nuclear Energy Act (990/1987). The licensee must ensure safety, and STUK confirms through it...https://stuk.fi/en/regulatory-oversight-of-nuclear-safety
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Radiation protection training and qualifications In order to use radiation and nuclear energy and carry out other work involving exposure to radiation safely, everyone involved in the operations must have the necessary know-how. All employees must...https://stuk.fi/en/radiation-protection-training
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Beauty care and sunbed services Non-ionizing radiation is used in sunbeds and many beauty care devices. It is important that the operators are familiar with the characteristics of the devices they use, the risks associated with the use of radiatio...https://stuk.fi/en/beauty-care-and-sunbed-services
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Final disposal of nuclear waste Many countries that use nuclear energy have disposal facilities for low- and intermediate-level nuclear waste. However, no country has yet started operating a final disposal facility for high-level waste disposal. I...https://stuk.fi/en/final-disposal-of-nuclear-waste
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Radon concentration during working hours In workplaces, ventilation is often scheduled according to working hours, for example at nights and weekends, ventilation is set at a lower level or switched off completely. In this case, radon levels tend ...https://stuk.fi/en/radon-concentration-during-working-hours
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Shade in outdoor areas provides effective protection from UV radiation Promoting sun protection is part of promoting the well-being and health of citizens and society as a whole. An easy way to promote sun protection is to add shade to outdoor rec...https://stuk.fi/en/shade-protects-against-uv-radiation
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Fukushima nuclear power plant accident The Fukushima Dai-ichi nuclear power plant located on the east coast of Japan was severely damaged on 11 March 2011, and radioactive substances were released for several days into the sea and the area surroun...https://stuk.fi/en/fukushima-nuclear-power-plant-accident
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Analysis of minor radiation safety deviations In 2024, the Radiation and Nuclear Safety Authority received slightly over 2,000 notifications from health care units conducting X-ray examinations concerning cases in which the use of radiation in X-r...https://stuk.fi/en/analysis-of-minor-deviations