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We are currently renewing our online shop. Due to this work, the links to the online shop on the stuk.fi website may be broken. If you are ordering radon measurement canisters, you can access the online shop as follows: STUK’s online shop

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    Säteilyturvakeskus STUK
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    • SERVICES AND GUIDANCE
      • E-services and forms
      • Applying for a safety licence for the use of radiation
        • Fees for radiation practices regulation
        • Issuing authorizations for dealing with STUK
      • STUK's measurement and calibration services
        • Measurement for radioactivity in samples
        • Radiation meter calibrations and testing and irradiation
        • Measurements, tests and calibrations of non-ionizing radiation
        • PCXMC − Monte Carlo program for calculating patient doses from x-ray examinations
        • Fees for STUK's services and general terms of delivery
      • Legislation and guides
        • STUK's regulatory guides and decisions
        • STUK's regulations
        • Renewal of the nuclear safety regulation
      • Report a radiation safety deviation
      • Open data
      • Calculation tools
        • AASI - Program for simulating energy spectra in alpha spectrometry
    • RADIATION IN DAILYLIFE
      • What is radiation?
      • About Radon
        • Radon in Finland
        • Reference levels and regulations concerning radon in dwellings
        • Sources of Radon
        • Measuring radon
        • Radon mitigation
        • Radon in new buildings
        • Maps of radon in Finland
        • About radon regulation in general
        • National action plan to prevent radon risks
        • Radon causes lung cancer
      • Electromagnetic fields
        • Base stations
        • Electricity grids and power lines
      • Sun's UV radiation
        • What is UV radiation?
        • Ultraviolet radiation causes skin cancer
        • Protect yourself properly from the sun
        • Shade protects against UV radiation
      • Beauty care and sunbeds
        • Radiation in beauty care
        • Sunbeds
        • Learning game
      • Use of radiation in medicine
      • Environmental radiation
        • Monitoring of environment radiation
        • Radiation today on the map
        • Radiation in Europe - Eurdep
        • Radioactivity in outdoor air
        • Radioactivity of the deposition
        • Food control
        • Radioactivity of drinking water
        • Radioactivity in the Baltic Sea
        • Radioactivity in surface water
        • Radioactivity in human body
      • 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
        • Regulatory oversight of nuclear facilities
        • Regulatory oversight of nuclear safety
        • Licensing of nuclear facilities
        • Reporting on nuclear safety
        • Information on nuclear power plants
        • Information on nuclear waste
        • Peaceful uses of nuclear energy
      • 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
        • Abnormal events related to radiation
    • CURRENT ISSUES
      • Press releases and news
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      • Subscribe STUK's news articles
      • Courses and Events
      • Publications
        • Alara Magazine
      • Information for media
      • Social media
      • Situation in Ukraine
    • ABOUT STUK
      • Get to know STUK
        • Organisation and management team
        • Strategy
        • Advisory Committees
        • Planning and monitoring
        • Sustainability and responsibility
        • Annual reviews
        • Equality and non-discrimination
        • International reviews of STUK's operations
      • STUK as a workplace
        • STUK career stories: Elina works as a local inspector at the Olkiluoto nuclear power plant
        • Staff report
      • Contact us
        • Send message
        • How to reach us
      • Data protection at STUK
        • Data protection at STUK
      • Information on STUK's website
        • Cookies on website
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        • Accessibility statement
        • Sitemap
        • Processing of personal data in Communications
    • Nuclear safety
      • Regulatory oversight of nuclear facilities
        • Loviisa nuclear power plant
        • Olkiluoto nuclear power plant
          • Olkiluoto 3
        • Encapsulation and final disposal facility
        • Research reactor in Otaniemi
        • Small modular reactors
        • Talvivaara mine
      • Regulatory oversight of nuclear safety
        • Nuclear facility practices
        • Radiation safety of nuclear facilities
        • Nuclear security arrangements
        • Inspection organisations
        • Nuclear materials
        • Nuclear waste management
      • Licensing of nuclear facilities
        • Before construction
        • Construction
        • Operation
        • Decommissioning
      • Reporting on nuclear safety
        • Inspections at the Loviisa nuclear power plant
        • Inspections at the Olkiluoto nuclear power plant
        • Oversight reports of final disposal facility
        • International reports
      • Information on nuclear power plants
        • Safety principles
        • Operation of a nuclear power plant
        • Types of nuclear power plants
        • Hanhikivi nuclear power plant project
        • Nuclear power plant accidents
          • Fukushima nuclear power plant accident
          • Chernobyl nuclear power plant accident
      • Information on nuclear waste
        • Taking care of nuclear waste
      • Peaceful uses of nuclear energy
    • For the user of radiation
      • Occupational radiation exposure and health surveillance
      • Prerequisites for a safety licence
      • STUK supervises radiation practices
        • The physician's responsibility for the patient's radiation safety
      • Radiation protection training and qualifications
      • Radiation measurements and approvals
      • Radiation safety deviations
        • Anonymized radiation safety deviations
        • Analysis of minor deviations (health care)
        • Analysis of more significant deviations (health care)
      • Guidelines for different sectors
        • Veterinary X-ray practices
        • Trade, import and export of radioactive materials and consumer products
        • Aviation
        • Radioactive waste and discharges
        • Transport of radioactive substances
        • Radiation shielding of X-ray rooms in health care and veterinary practice
        • Dental X-ray practices
        • Sealed sources
      • Medical examinations and the resulting radiation exposure
        • Awareness campaign
      • Warning signs
      • Beauty care and sunbed services
        • Information for professionals in the beauty care industry
        • Information for professionals in the sunbed services
        • Supervision of 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
        • Areas where radon measurement in workplace is obligatory
        • Workplace radon concentrations in Finland
        • Workplaces built on highly permeable soils, where radon measurement in the workplace is required
        • Radon concentration during working hours
        • STUKs monitoring projects at workplaces
      • 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
        • Obligation to report exposure to natural radiation - NORM
        • Waste containing naturally occurring radioactive materials
    • Preparedness for radiation hazards
      • Finns are protected
      • Authorities cooperate in the event of a radiation hazard situation
      • What could threaten Finland?
        • Dirty bomb
        • Depleted uranium
        • Nuclear weapons
      • 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
        • The International Nuclear and Radiological Event Scale INES
    • Säteilyturvakeskus STUK
    • RADIATION SAFETY
    • For the user of radiation
    • STUK supervises radiation practices
    • The physician's responsibility for the patient's radiation safety

    The content of this page is available in Finnish and Swedish. If you have any inquiries please contact us at [email protected].

    Jokiniemenkuja 1
    01370 Vantaa
    Finland

    Main entrance:
    On the Jokiniemenkatu side (Jokiniemenkatu 28)

    Switch board +358 9 759 881

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    • Frontpage
    • SERVICES AND GUIDANCE
      • E-services and forms
      • Applying for a safety licence for the use of radiation
        • Fees for radiation practices regulation
        • Issuing authorizations for dealing with STUK
      • STUK's measurement and calibration services
        • Measurement for radioactivity in samples
          • Measurement methods and delivery times
          • Indoor air radon measurements
        • Radiation meter calibrations and testing and irradiation
          • Metrological activities
          • Quality system
        • Measurements, tests and calibrations of non-ionizing radiation
        • PCXMC − Monte Carlo program for calculating patient doses from x-ray examinations
        • Fees for STUK's services and general terms of delivery
      • Legislation and guides
        • STUK's regulatory guides and decisions
          • YVL Guides
          • VAL Guides
        • STUK's regulations
        • Renewal of the nuclear safety regulation
      • Report a radiation safety deviation
      • Open data
      • Calculation tools
        • AASI - Program for simulating energy spectra in alpha spectrometry
    • RADIATION IN DAILYLIFE
      • What is radiation?
      • About Radon
        • Radon in Finland
        • Reference levels and regulations concerning radon in dwellings
        • Sources of Radon
        • Measuring radon
        • Radon mitigation
        • Radon in new buildings
        • Maps of radon in Finland
        • About radon regulation in general
        • National action plan to prevent radon risks
        • Radon causes lung cancer
      • Electromagnetic fields
        • Base stations
        • Electricity grids and power lines
      • Sun's UV radiation
        • What is UV radiation?
        • Ultraviolet radiation causes skin cancer
        • Protect yourself properly from the sun
        • Shade protects against UV radiation
      • Beauty care and sunbeds
        • Radiation in beauty care
        • Sunbeds
        • Learning game
      • Use of radiation in medicine
      • Environmental radiation
        • Monitoring of environment radiation
        • Radiation today on the map
        • Radiation in Europe - Eurdep
        • Radioactivity in outdoor air
        • Radioactivity of the deposition
          • The effects of the Chernobyl accident in Finland
          • Nuclear tests in the atmosphere
        • Food control
          • Radioactivity of milk
          • Radioactivity in sold natural produce
          • Daily food and drink
          • Mushrooms 2025 campaign
        • Radioactivity of drinking water
          • Wastes from removal of radioactive substances from domestic water
        • Radioactivity in the Baltic Sea
        • Radioactivity in surface water
        • Radioactivity in human body
          • Determination of radioactive subtances in the body
          • The average radiation dose received by a Finn
      • 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
        • Regulatory oversight of nuclear facilities
          • Loviisa nuclear power plant
          • Olkiluoto nuclear power plant
            • Olkiluoto 3
          • Encapsulation and final disposal facility
          • Research reactor in Otaniemi
          • Small modular reactors
          • Talvivaara mine
        • Regulatory oversight of nuclear safety
          • Nuclear facility practices
          • Radiation safety of nuclear facilities
          • Nuclear security arrangements
          • Inspection organisations
          • Nuclear materials
          • Nuclear waste management
        • Licensing of nuclear facilities
          • Before construction
          • Construction
          • Operation
          • Decommissioning
        • Reporting on nuclear safety
          • Inspections at the Loviisa nuclear power plant
          • Inspections at the Olkiluoto nuclear power plant
          • Oversight reports of final disposal facility
          • International reports
        • Information on nuclear power plants
          • Safety principles
          • Operation of a nuclear power plant
          • Types of nuclear power plants
          • Hanhikivi nuclear power plant project
          • Nuclear power plant accidents
            • Fukushima nuclear power plant accident
            • Chernobyl nuclear power plant accident
        • Information on nuclear waste
          • Taking care of nuclear waste
        • Peaceful uses of nuclear energy
      • For the user of radiation
        • Occupational radiation exposure and health surveillance
        • Prerequisites for a safety licence
        • STUK supervises radiation practices
          • The physician's responsibility for the patient's radiation safety
        • Radiation protection training and qualifications
        • Radiation measurements and approvals
        • Radiation safety deviations
          • Anonymized radiation safety deviations
          • Analysis of minor deviations (health care)
          • Analysis of more significant deviations (health care)
        • Guidelines for different sectors
          • Veterinary X-ray practices
          • Trade, import and export of radioactive materials and consumer products
          • Aviation
          • Radioactive waste and discharges
          • Transport of radioactive substances
          • Radiation shielding of X-ray rooms in health care and veterinary practice
          • Dental X-ray practices
          • Sealed sources
        • Medical examinations and the resulting radiation exposure
          • Awareness campaign
        • Warning signs
        • Beauty care and sunbed services
          • Information for professionals in the beauty care industry
          • Information for professionals in the sunbed services
          • Supervision of 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
          • Areas where radon measurement in workplace is obligatory
          • Workplace radon concentrations in Finland
          • Workplaces built on highly permeable soils, where radon measurement in the workplace is required
          • Radon concentration during working hours
          • STUKs monitoring projects at workplaces
        • 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
          • Obligation to report exposure to natural radiation - NORM
          • Waste containing naturally occurring radioactive materials
      • Preparedness for radiation hazards
        • Finns are protected
        • Authorities cooperate in the event of a radiation hazard situation
        • What could threaten Finland?
          • Dirty bomb
          • Depleted uranium
          • Nuclear weapons
        • 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
          • The International Nuclear and Radiological Event Scale INES
    • CURRENT ISSUES
      • Press releases and news
      • STUK Column
      • Subscribe STUK's news articles
      • Courses and Events
      • Publications
        • Alara Magazine
      • Information for media
      • Social media
      • Situation in Ukraine
    • ABOUT STUK
      • Get to know STUK
        • Organisation and management team
        • Strategy
        • Advisory Committees
        • Planning and monitoring
        • Sustainability and responsibility
        • Annual reviews
          • Year 2024 in STUK
            • Director General’s review
            • STUK’s Finances 2024
            • We strive for radiation-safe well-being
            • Employee well-being and employee experience at a good level
            • A year of developing preparedness
            • The use of nuclear energy carried out safely — the regulatory reform is progressing
            • Two decades of learning in the nuclear industry — anniversary of the YJK course
            • STUK’s supervision ensured the safety of radiation practices
            • Radiation measurement data for 2024
            • Radiation safety data and tools: 2024 research projects
            • International co-operation has a clear direction and purpose
        • Equality and non-discrimination
        • International reviews of STUK's operations
      • STUK as a workplace
        • STUK career stories: Elina works as a local inspector at the Olkiluoto nuclear power plant
        • Staff report
      • Contact us
        • Send message
        • How to reach us
      • Data protection at STUK
        • Data protection at STUK
      • Information on STUK's website
        • Cookies on website
        • Processing of personal data on the website
        • Accessibility statement
        • Sitemap
        • Processing of personal data in Communications