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- Frontpage
- SERVICES AND GUIDANCE
- E-services and forms
- Applying for a safety licence for the use of radiation
- STUK's measurement and calibration services
- Legislation and guides
- Report a radiation safety deviation
- Open data
- Calculation tools
- RADIATION IN DAILYLIFE
- What is radiation?
- About Radon
- Electromagnetic fields
- Sun's UV radiation
- Beauty care and sunbeds
- Use of radiation in medicine
- Environmental radiation
- Laser products
- Health effects of radiation
- How do healthcare and industry utilize radiation?
- Radioactivity in consumer products
- Radiation in appliances
- Ultrasound
- RADIATION SAFETY
- Nuclear safety
- For the user of radiation
- Occupational radiation exposure and health surveillance
- Prerequisites for a safety licence
- STUK supervises radiation practices
- Radiation protection training and qualifications
- Radiation measurements and approvals
- Radiation safety deviations
- Guidelines for different sectors
- Medical examinations and the resulting radiation exposure
- Warning signs
- Beauty care and sunbed services
- Laser performances
- Practice that causes exposure to natural radiation
- What is practice that causes exposure to natural radiation
- Radon at workplace
- Radon in other premises used by people
- Radon in underground mines and at excavation sites
- Monitoring of radioactivity in household water
- The radioactivity of building materials and ash
- Industrial practices involving exposure to natural radiation - NORM
- Preparedness for radiation hazards
- Finns are protected
- Authorities cooperate in the event of a radiation hazard situation
- What could threaten Finland?
- Actions in a radiation hazard situation
- Information sources for members of the public
- Instructions for members of the public
- Sheltering indoors reduces radiation exposure
- The iodine tablet protects the thyroid gland
- Preventing health effects of radiation
- Radiation measurements
- The voluntary radiation measurement team strengthens Finland's measurement capacity
- Abnormal events related to radiation
- CURRENT ISSUES
- ABOUT STUK
- Get to know STUK
- Tasks
- Strategy
- STUK as a workplace
- Annual reviews
- Year 2023 in STUK
- Director General’s review
- STUK's finances in 2023: strengthening cost-efficient operations and a sustainable economy
- STUK monitors around the clock
- Cooperation with Ukraine strengthened
- Decommissioning of Finland’s first nuclear reactor started
- STUK’s supervision ensured the safety of nuclear power plants
- Safety assessment of spent nuclear fuel disposal facility continued
- STUK makes preparations for the arrival of small modular reactors
- Measurements in the environment and laboratories: radiation measurement data from 2023
- Radon monitoring and communication
- R&D supports monitoring and preparedness
- STUK investigated radiation exposure caused to luggage by the new fluoroscopic equipment
- New radiation shield use recommendation for patients during X-ray examinations
- The new website was implemented on time without compromising on quality
- Happy officials express their views
- STUK promotes several sustainable development goals
- Year 2022 in STUK
- Director General’s review
- The new office building in Vantaa meets STUK's special requirements
- Intensive year of supervision in Olkiluoto
- The year 2022 changed the focus of international co-operation
- Cooperation with the African Commission on Nuclear Energy launched
- Professors of Practice instill radiation safety expertise and research in universities
- Ultraviolet radiation and radon monitoring and communication
- Work for a radiation safe Baltic Sea
- Use of radiation was supervised in industry, research and the health sector
- STUK employee for more than 30 years: Elina Martikka
- STUK's finances and personnel in 2022
- Year 2023 in STUK
- Equality and non-discrimination
- Sustainability
- Planning and monitoring
- International reviews of STUK's operations
- Advisory Committees
- Networks and Co-operations
- Information on STUK's website
- Contact us
- Get to know STUK