Welcome to the State of California 

Radiologic Health Branch

Click here to View RHB contact information (PDF)

The Radiologic Health Branch (RHB) is within the Food, Drug, and Radiation Safety Division of the Department of Public Health. The Branch enforces the laws and regulations indicated below designed to protect the public, radiation workers, and the environment. RHB is responsible for providing public health functions associated with administering a radiation control program. This includes licensing of radioactive materials, registration of X-ray-producing machines, certification of medical and industrial X-ray and radioactive material users, inspection of facilities using radiation, investigation of radiation incidents, and surveillance of radioactive contamination in the environment.

RHB administers and enforces the following laws and implementing regulations:

  • Radiation Control Law (Health & Safety Code Sec. 114960 et seq.)
  • Radiologic Technology Act (Health & Safety Code Sec. 27(f).)
  • Nuclear Medicine Technology Certification (Health & Safety Code Secs. 107150 through 107175.)
  • Regulations implementing the above laws are in Title 17, California Code of Regulations, Division 1, Chapter 5, Subchapters 4.0, 4.5, & 4.7.


  • New - Fluoroscopy Permit Requirement Notice (9-15-14)
  • IMPORTANT-Fee Increase Notification effective January 1, 2015 (9-1-14) 
  • Half Moon Bay Survey Report  (3-5-14)
  • New Continuing Education Credit requirements: Information Notice  (2-19-14)
  • Fluoroscopy Examination Preparation Information Notice  (1-30-14)
  • Fukushima Incident Information: 2011 (01-10-14)
  • Fukushima related RHB-radiation monitoring information  (04-25-14)
  • RHB Routine Environmental Radiation Monitoring (1-31-14)
  • RTCC April 17, 2013 Minutes Posted (10-1-13) 
  • Nuclear Explosion Fact Sheet (9-18-13) 
  • FDA's Food Safety Information regarding imported foods  (9-3-13) 
  • Exemption for Hand-held Portable X-ray Systems  (3-14-13)
  • Quality Assurrance Regulations - FAQs   (3-11-13)
  • Revised Venipuncture Law (Schools) and FAQs  (11-15-12)
  • AB 510 (SB1237) - FAQ  (7-20-12)
  • 2008 LLRW Annual Report  (4-26-12)
  • Physician Assistants - Fluoroscopy Permits (AB 356)  

  • Certificate/Permit Search Tool
  • Continuing Education Information 
  • X-ray School Pass Rates
  • View RHB Organizational Chart  (PDF)
  • Follow the links below pertaining to your area of interest.

    Radioactive Material
    Industrial Radiography Certification
    Radiation Producing Machines (X-ray machines)
    Radiologic Technology Certification and Schools
    Radiologic Technology Certification Committee (RTCC)
    Nuclear Medicine Technology Certification
    Consumer Information
    Last modified on: 9/17/2014 8:21 AM