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About us
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Topics
Radon
Radon causes lung cancer
Sources of radon
Reference values and regulations concerning radon in dwellings
Radon in Finland
Radon maps of Finland
Radon in new buildings
Regulations and guidelines for new buildings
Effect of building land and building materials
Foundation type
Sealing
Installation of radon piping
Complementary instructions
Radon mitigation
Choice of mitigation method
Sub-slab suction
Sealing of structures
Radon well
Ventilation-based mitigation
Radon mitigation in blocks of flats
Radon mitigation in workplaces
Radon mitigation costs
Radon-free childhood
Radon and health
Radon protection
Frequently asked questions
UV-radiation, sun and sun beds
Sun’s ultraviolet radiation
The UV index describes the intensity of UV radiation
Your skin may burn in the sun
Protect yourself properly from the sun
Skin cancer
The tolerance of skin types varies
Nordic statement: Shades for children’s outdoor areas
Sun beds
Use of radiation in health care
Radiographic examinations
Radiation doses of radiographic examinations
Dental X-ray
Radiotherapy
Nuclear medicine
Ultrasonography
Magnetic imaging
Exposure of employees
Radiographic examinations on animals
Mobile telephones and base stations
Mobile phones are a major source of radio frequency radiation
General population is only minimally exposed to the fields generated by base stations
5G network and radiation safety
No evidence of health hazards
Exposure can be reduced by simple means
Electromagnetic hypersensitivity
Transmission of electricity and power lines
Transmission and distribution of electricity
Power lines produce electric and magnetic fields
There is no absolute certainty about the health effects of power lines
STUK recommends sensible caution
Transmission lines in urban planning
Distribution lines and substations
Household electrical equipment and wiring
Use of UV-C radiation in disinfection
Use of radiation in beauty care
Various treatments and their risks
Lasers
Why can lasers be dangerous?
Safety classes of laser products
Laser equipment in beauty care
Nuclear power plants
Nuclear power plants in Finland
How a nuclear power plant works
Safety principles
Defence-in-depth safety approach
Multiple barriers protect the environment
Nuclear facility projects
Safety goals
Olkiluoto 3
News concerning Olkiluoto 3
The nuclear facility project of Fennovoima
Nuclear waste of Hanhikivi nuclear power plant
The encapsulation and final disposal facility of spent nuclear fuel
Decommissioning of the research reactor
STUK’s tasks in the research reactor licensing process
Nuclear waste
What is nuclear waste?
Nuclear waste in Finland
The safety of the disposal of nuclear waste in Finland
Categories of radioactive waste and emissions
Disposal of spent fuel in Finland
Disposal of low and intermediate-level waste in Finland
The decommissioning of nuclear facilities
Mining
Exploration and the EIA procedure
Uranium concentrations in Finnish bedrock and waterways
Mining and underground excavation
The Terrafame mine
Uranium concentrations in water and other samples obtained from the environment at the Talvivaara mine
Environmental radiation
Radiation today
Radiation in Europe - Eurdep
Radioactivity in outdoor air
Deposition
The effects of the Chernobyl accident in Finland
Nuclear tests in the atmosphere
Radioactivity in drinking water
Radioactivity in milk
Natural background radiation
Radioactivity in forests
Radioactivity elsewhere in the world
Chernobyl nuclear power plant accident
Fukushima nuclear power plant accident
Food and drinking water
Food control in Finland and maximum values for food
The radiation dose received from food is low
Wild berries and mushrooms
Radioactive cesium concentration in mushrooms can be reduced
Radiation dose from wild berries and mushrooms
Meat, game and fish
Cesium in reindeer meat by reindeer herding district
Vegetables
Low radioactive concentrations in grain
Radioactivity in drinking water
Milk
Emergencies
Finns are protected
Accident impact
What to do in a radiation hazard situation
Radiation dose is reduced by sheltering indoors
Why take iodine tablets
Examples of radiation doses and external dose rates
The International Nuclear and Radiological Event Scale INES
What is radiation
Applications of radiation
Health effects of radiation
Electromagnetic fields
The human body always contains radioactive substances
STUK supervises
STUK is a regulatory control authority
STUK monitors the radiation safety of the environment
Continuous regulatory control programme
External radiation and radioactive materials in outdoor air
Radioactivity of the deposition
Deposition samples collected on a continuous basis
Radioactivity in surface water
Radioactivity in drinking water
Radioactivity in milk
Radioactivity in food
Radioactivity in sludge
Radioactivity in the Baltic Sea
Thematic investigations
Monitoring of environmental radiation in nuclear power plants
Nuclear safety
STUK’s duties in the supervision of nuclear safety
STUK sets safety requirements
Regulatory oversight of facility projects
Safety analyses
Regulatory oversight of facilities’ operating conditions
Regulatory oversight of facility modifications
Regulatory oversight of operations in organizations
Investigations concerning Olkiluoto 3
Regulatory oversight of radiation safety
Employee radiation exposure in nuclear power plants
Discharge of radioactive substances into the air
Discharge of radioactive substances into the sea
Estimating the population's exposure
STUK approves inspection organisations for nuclear facilities
Regulatory oversight of nuclear waste management
Nuclear material regulation
STUK participates in the licensing of nuclear facilities
Decisions regarding nuclear facilities
OL3 construction licence
Operating licence
Periodic safety reviews
Nuclear security arrangements
What nuclear security arrangements are
Preventive measures
Detection of and response
Cooperation in Finland and internationally
Practice that causes exposure to natural radiation
Radon at the workplace
Areas requiring radon measurements in workplaces
Workplace radon concentrations in Finland
Radon concentration during working hours
Radon in underground mines and at excavation sites
Measurements of mobile phone radiation
Using non-ionizing radiation in beauty care
Services
General terms of delivery of measurement services
Calibration, testing and irradiation services
AASI - Program for simulating energy spectra in alpha spectrometry
Regulations
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Regulatory Guides on radiation safety (ST)
STUK’s decisions on radiation safety
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Nuclear Safety Convention
Joint Convention
International Nuclear Safety Cooperation
Cooperation on radiation and nuclear safety in Finland’s neighbouring areas
Cooperation on nuclear safety funded by EU
Cores - Finnish Consortium for Radiation Safety Research
National Radiation Safety Research Programme
Aims of Cores
European collaboration
Members of Cores
Cores Executive Board
More information on Cores
Events
Cores symposium on non-ionizing radiation research and safety
Cores Symposium on radon and NORM 3-4 September 2019
Subscribe to Cores Newsletter
International collaboration on radiation safety
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Radon Free Childhood
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