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Types of nuclear power plants Over the past decades, a wide range of different types of nuclear power plants have been designed and built around the world, but only a few have reached large-scale commercial operation. The most common reactor types...https://stuk.fi/en/types-of-nuclear-power-plants
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Valitse kieli Suomi Välj språket Svenska Select language English Happy officials express their views The Radiation and Nuclear Safety Authority has flexible working practices. You can work remotely, in the office and from different locations. Flex...https://stuk.fi/en/happy-officials-express-their-views
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Radioactivity in sold natural produce With regard to radiation dose, the most important food categories are natural produce and drinking water. The Radiation and Nuclear Safety Authority (STUK) monitors the radioactivity of food on sale by taking ...https://stuk.fi/en/radioactivity-in-sold-natural-produce
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Measurement methods and delivery times The delivery times indicated for all measurement methods are indicative and not binding on STUK. The delivery time of the results depends on the number and urgency of STUK's regulatory supervision tasks at th...https://stuk.fi/en/measurement-methods-and-delivery-times
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Report a radiation safety deviation The content of this page is available in Finnish and Swedish. If you have any inquiries please contact us at [email protected] Hiddenhttps://stuk.fi/en/report-a-radiation-safety-deviation
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Radiation safety of nuclear facilities Control of radiation safety is a part of the supervision of the operating condition of a nuclear power plant. The objective is to ensure that the total radiation exposure caused by the operation of the nuclea...https://stuk.fi/en/radiation-safety-of-nuclear-facilities
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Taking care of nuclear waste The principled alternatives for taking care of nuclear waste are often summarised by following three choices The ‘ delay and decay ’ approach, i.e. storing the waste until its activity level has dropped below the exemp...https://stuk.fi/en/taking-care-of-nuclear-waste
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Valitse kieli Suomi Välj språket Svenska Select language English Intensive year of supervision in Olkiluoto The year 2022 was a significant year for the Olkiluoto 3 plant unit (OL3). STUK supervised the plant through inspection visits, monitoring ...https://stuk.fi/en/intensive-year-of-supervision-in-olkiluoto
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Monitoring of radioactivity in household water The municipal health protection authority monitors the radioactivity of household water in accordance with Decrees 401/2001 and 1352/2015 of the Ministry of Social Affairs and Health. Decree 401/2001 ...https://stuk.fi/en/monitoring-of-radioactivity-in-household-water
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Valitse kieli Suomi Välj språket Svenska Select language English R&D supports monitoring and preparedness The Radiation Safety Authority (STUK) conducts research and development (R&D) that supports the monitoring of the use of radiation and nuclea...https://stuk.fi/en/r-d-supports-monitoring-and-preparedness
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Hanhikivi nuclear power plant project The Hanhikivi 1 project was a nuclear power plant commissioned by the Finnish energy company Fennovoima to be built on the Hanhikivi peninsula in the municipality of Pyhäjoki. If realised, Hanhikivi 1 would ha...https://stuk.fi/en/hanhikivi-nuclear-power-plant-project
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Chernobyl nuclear power plant accident On 26 April 1986, a nuclear power plant accident occurred in Chernobyl, present Ukraine. The accident contaminated large areas in Ukraine, Belarus, and Russia with various radioactive substances. People and s...https://stuk.fi/en/chernobyl-nuclear-power-plant-accident
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Occupational radiation exposure and health surveillance The protection of radiation workers involves various measures, depending on the work tasks. These include the monitoring of exposure conditions, individual dose monitoring, health checks and ...https://stuk.fi/en/occupational-radiation-exposure
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Waste containing naturally occurring radioactive substances Waste containing naturally occurring radioactive substances is not radioactive waste as defined in the Radiation Act (859/2018) but waste as defined in section 78, subsection 3 of the Act...https://stuk.fi/en/waste-containing-naturally-occurring-radioactive-materials
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Information for sunbed service providers The use of sunbeds is prohibited for children under 18 years of age. In addition, according to the Radiation Act, each sunbed site shall have a designated responsible person who is always present when the s...https://stuk.fi/en/information-for-professionals-in-the-sunbed-services
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Reporting on nuclear safety Valitse kieli Suomi Välj språket Svenska Select language English Inspections at the Loviisa nuclear power plant STUK carries out inspections to oversee the operation and use of the Loviisa nuclear power plant. The perio...https://stuk.fi/en/inspections-at-the-loviisa-nuclear-power-plant
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Valitse kieli Suomi Välj språket Svenska Select language English Decommissioning of Finland’s first nuclear reactor started Dismantling work related to the decommissioning of VTT Technical Research Centre of Finland' s FiR 1 research reactor began...https://stuk.fi/en/decommissioning-of-finland-s-first-nuclear-reactor-started
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Issuing authorizations for dealing with STUK The content of this page is available in Finnish and Swedish. If you have any inquiries please contact us at [email protected] . Hiddenhttps://stuk.fi/en/issuing-authorizations-for-dealing-with-stuk
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19.7.2022 | Together with the Swedish and Norwegian radiation safety authorities, the Finnish Radiation and Nuclear Safety Authority will send measuring equipment to the Chornobyl plant area for monitoring the radiation doses of employees and environmental radiation. The total value of the support is approximately EUR 360,000. The new measuring equipment will be delivered to the area by the end of 2022.https://stuk.fi/en/-/the-finnish-radiation-and-nuclear-safety-authority-will-send-measuring-equipment-to-the-chornobyl-plant-area-together-with-the-norwegian-and-swedish-authorities
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Information sources for members of the public In the event of a radiation hazard situation, follow the authorities' communications and operating instructions from the radio, TV and website. Sirens can be used to give a general warning signal, and ...https://stuk.fi/en/information-sources-for-members-of-the-public
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Protect yourself properly from the sun Avoid burning and get gently used to the sun. Repeated burning increases the risk of malignant melanoma. Therefore, burning should be avoided. Particularly important is protection from the sun's ultraviolet (...https://stuk.fi/en/protect-yourself-properly-from-the-sun
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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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Information on the processing of personal data in STUK’s Communications The communications services of the Radiation and Nuclear Safety Authority (STUK) create the prerequisites for people to receive correct, understandable and up-to-date informat...https://stuk.fi/en/processing-of-personal-data-in-communications
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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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Operation of a nuclear power plant A nuclear power plant is a thermal power plant in which water vapour drives a turbine and an electrical generator connected to it. In a nuclear power plant, the thermal energy needed to steam water is generated b...https://stuk.fi/en/operation-of-a-nuclear-power-plant
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Valitse kieli Suomi Välj språket Svenska Select language English Work for a radiation safe Baltic Sea The Baltic Sea has been the subject of intensive radioecological research since the late 1950s. The accident at the Chernobyl nuclear power plant...https://stuk.fi/en/work-for-a-radiation-safe-baltic-sea
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Valitse kieli Suomi Välj språket Svenska Select language English Ultraviolet radiation and radon monitoring and communication The purpose of the Radiation and Nuclear Safety Authority’s (STUK’s) operations is to protect people, society, the enviro...https://stuk.fi/en/ultraviolet-radiation-and-radon-monitoring-and-communication
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Calibrations, testing and irradiation of radiation meters Radiation Act (859/2018) defines that radiation measurements must be performed with a method suitable for the purpose and proved reliable. The results of the measurements must be metrologic...https://stuk.fi/en/radiation-meter-calibrations-and-testing-and-irradiation
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The iodine tablet protects the thyroid gland A serious nuclear power plant accident may release radioactive iodine into the atmosphere. The build-up of iodine in the thyroid gland can be reduced by taking a medicinal iodine tablet. The effectivene...https://stuk.fi/en/the-iodine-tablet-protects-the-thyroid-gland
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Cores - Finnish Consortium for Radiation Safety Research Cores is a consortium established by Radiation and Nuclear Safety Authority (STUK) and nine Finnish universities or research institutes. The purpose of Cores is to coordinate and strenghten ...https://stuk.fi/en/cores-finnish-consortium-of-radiation-safety-research
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Valitse kieli Suomi Välj språket Svenska Select language English We strive for radiation-safe well-being Last summer, the Radiation and Nuclear Safety Authority finalised its new strategy that will guide our work in the coming years. Our new visio...https://stuk.fi/en/we-strive-for-radiation-safe-well-being
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How do health care and industry utilize radiation? Radiation is widely used in health care, veterinary medicine and industry. In healthcare, radiation is used to examine and treat people. Some applications of radiation in health care are imaging, ...https://stuk.fi/en/how-do-healthcare-and-industry-utilize-radiation
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Analysis of significant deviations Significant radiation safety deviations must be reported to the Radiation and Nuclear Safety Authority (STUK) without delay. Reports must be submitted immediately regarding, for example, deviations in which the r...https://stuk.fi/en/analysis-of-more-significant-deviations
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The effects of the Chernobyl accident in Finland The accident at Chernobyl nuclear power plant in April 1986 will expose Finns to a total radiation dose of two millisieverts during 50 years. We receive a similar dose each year from radon. Half of ...https://stuk.fi/en/the-effects-of-the-chernobyl-accident-in-finland
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The content of this page is available in Finnish and Swedish. If you have any inquiries please contact us at [email protected] . Hiddenhttps://stuk.fi/en/the-physician-s-responsibility-for-the-patient-s-radiation-safety
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The International Nuclear and Radiological Event Scale INES Much attention has been paid to the communication of nuclear and radiological events since the Chernobyl accident. INES, the International Nuclear and Radiological Event Scale, has contri...https://stuk.fi/en/the-international-nuclear-and-radiological-event-scale-ines
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19.7.2022 | Strålsäkerhetscentralen skickar tillsammans med strålsäkerhetsmyndigheterna i Sverige och Norge bland annat mätutrustning för övervakning av stråldoser hos arbetstagare och strålningsvärden i miljön till anläggningsområdet i Tjernobyl. Stödets värde är sammanlagt cirka 360 000 euro. De nya mätinstrumenten levereras till området före utgången av 2022.https://stuk.fi/sv/-/stralsakerhetscentralen-skickar-matinstrument-till-anlaggningsomradet-i-tjernobyl-tillsammans-med-myndigheterna-i-norge-och-sverige
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Industrial practices involving exposure to natural radiation - NORM In this context, naturally occurring radioactive material refers to uranium and thorium with their decay products as well as potassium-40. Other radioactive substances are also pr...https://stuk.fi/en/industrial-practices-involving-exposure-to-natural-radiation-norm
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Determination of radioactive substances in the body The most important method for determining radioactive substances in the human body is direct measurement with the whole-body measuring equipment. During this measurement, radioactive substances a...https://stuk.fi/en/determination-of-radioactive-subtances-in-the-body
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The radioactivity of building materials and ash Radiation exposure from building materials The radiation exposure arising from construction products is examined if the radiation exposure is suspected to be higher than the reference level The refer...https://stuk.fi/en/the-radioactivity-of-building-materials-and-ash