- Latvian Radiation Safety Centre
- Lithuanian Radiation Protection Centre
- Lithuanian State Nuclear Power Safety Inspectorate (VATESI)
- Finnish Radiation and Nuclear Safety Authority Finland (STUK)
- Swedish Radiation Safety Authority (SSM)
- Norwegian Radiation Protection Authority (NRPA)
- Danish Riso National Laboratory
- Leningrad Nuclear Power Plant (Russia)
- Russian Federal Atomic Energy Agency (Rosatom)
- Russian Federal Environmental Emergency Response Centre
INTERNATIONAL ORGANIZATIONS
- International Atomic Energy Agency (IAEA)
- OECD/Nuclear Energy Agency (NEA)
- International Commission on Radiological Protection (ICRP)
- International Radiation Protection Association (IRPA)
- World Nuclear Association
OTHER
- Nick's World Collection of Radiation Links
- United States Environmental Protection Agency
- Idaho State University
- University of Michigan
- Radiation Effects Research Foundation
- Uranium Information Centre
- Ökosil Ltd
