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  • 2020:15e Protective Actions in Nuclear or Radiological Emergencies - Planning Basis for Events in Emergency Preparedness Category IV

    In this report, the Swedish Radiation Safety Authority (SSM) presents planning basis for protective actions in the event of nuclear or radiological emergencies in connection with activities and acts in emergency preparedness category IV. Activities and acts encompass events in activities with ionizing radiation that are not conducted in a specifically defined location as well as antagonistic...

    Content type: Publications
  • Wireless technology

    Wireless technology is a feature of some devices we use at home and in the community. Radio waves are used to transmit signals from one device to another.

    Content type: Regular Pages
  • Subscribe to our news

    Receive selected updates in English from the Swedish Radiation Safety Authority. We handle your personal data in accordance with the General Data Protection Regulation (GDPR).

    Content type: Regular Pages
  • About the Authority

    The Swedish Radiation Safety Authority reports to the Ministry of Climate and Enterprise and has mandates from the Swedish Government within the areas of nuclear safety, radiation protection, security, and nuclear non-proliferation.

    Content type: Regular Pages
  • Environmental surveillance and assessments

    The Swedish Radiation Safety Authority has a comprehensive environmental surveillance programme for electromagnetic fields and radioactive materials. This programme consists of a number of sub-programmes, for example covering radiofrequency fields in the surroundings and radionuclides on airborne particles.

    Content type: Regular Pages
  • Industry and trade

    Ionising radiation is used in industry for applications such as measuring densities, thicknesses and levels, analysing materials, deionising air, and locating cracks or abnormalities. There are businesses that specialise in selling, leasing out, installing or maintaining radiation sources or equipment that can emit ionising radiation.

    Content type: Regular Pages
  • 2022:16 Recent Research o EMF and Health Risk, Sixteenth report from SSM’s Scientific Council on Electromagnetic Fields, 2021

    SSM perspective Background The Swedish Radiation Safety Authority’s (SSM) Scientific Council on Electromagnetic Fields monitors current research on potential health risks in relation to exposure to electromagnetic fields and provides the authority with advice on assessing possible health risks. The Council gives guidance when the authority must give an opinion on policy matters when...

    Content type: Publications
  • 2023:11 Study of degradation of spent fuel’s structural material and core components under long-term wet storage

    SSM perspective Background Sweden is managing the spent nuclear fuel and core components from its commercial nuclear reactors with a national strategic plan. The fuel and core components are initially stored at the reactor site. After an on-site storage period to comply with transportation limits on decay heat and radiation, these materials are shipped to the Clab (Central Interim Storage...

    Content type: Publications
  • 2024:18 Modelling Environmental Sensitization of Chromia Forming Nickel Base Alloys Toward Stress Corrosion Cracking in Light Water Reactors by Atomistic Simulations

    SSM perspective Background Stress corrosion cracking (SCC) in load bearing structures has been a longstanding issue both in pressurized and boiling water reactors. The specific environment in nuclear power applications consists of high temperatures and pressures that together with the effects of the radiation field on the coolant composition provide tough conditions for the materials used in...

    Content type: Publications
  • 2022:04 Warm Pre-Stressing mechanisms

    SSM perspective Background Swedish nuclear power plants (NPP) were originally designed and analyzed with an assumed operating period of approximately 40 years. As Swedish NPPs reach their original technical design life the safety of the additional operating time has to be verified. With increased operating time, the shift in the fracture toughness curve of the reactor pressure vessel (RPV)...

    Content type: Publications