LANDAUER offers you these direct links to helpful government and professional organizations dedicated to the radiation science and safety industry.

Government-Funded
Centers for Devices & Radiological Health
Centers for Disease Control and Prevention (CDC)
Department of Energy (DOE)
Department of Transportation (DOT)
Environmental Protection Agency (EPA)
National Institutes of Health (HIH)
National Institute of Standards and Technology (NIST)
Occupational Health & Safety Administration (OSHA)

Regulatory Organizations
Conference of Radiation Control Program Directors (CRCPD)
National Council on Radiation Protection and Measurements (NCRP)
Nuclear Regulatory Commission (NRC)
Nuclear Energy Institute (NEI)

Professional Membership Associations
American Association of Physicists in Medicine (AAPM)
American Board of Health Physics (ABHP)
American College of Radiology (ACR)
American Registry of Radiologic Technologists (ARRT)
American Industrial Hygiene Association (AIHA)
American Nuclear Society (ANS)
American Society of Radiologic Technologists (ASRT)
Association for Medical Imaging Management (AHRA)
Health Physics Society (HPS)
National Registry of Radiation Protection Technologists (NRRPT)
Radiological Society of North America (RSNA)
Society for Imaging Informatics in Medicine (SIIM)
The Society of Nuclear Medicine and Molecular Imaging (SNMMI)

International Organizations
Canadian Nuclear Safety Commission (CNSC)
Canadian Organization of Medical Physicists (COMP)
European Federation of Organizations for Medical Physics (EFOMP)
International Atomic Energy Agency (IAEA)
International Organization for Medical Physics (IOMP)
International Commission on Radiological Protection (ICRP)
World Association of Nuclear Operators (WANO)
World Nuclear Association (WNA)

Medical Physics Certifying Boards
American Board of Medical Physics (ABMP)
American Board of Radiology (ABR)
Commission on Accreditation of Medical Physics Educational Programs (CAMPEP)