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.


  • INFORMATION NOTICE - Implementation of 10 CFR 37  (4-21-16) 
  • Exemption for Hand-held Portable X-ray Systems  (2-1-16)
  • Fluoroscopy Exemption Rescission Notice (12-19-14)
  • 2014-2015 CRCPD/SCATR Disuse Source Collection and Disposal Opportunity  (12-11-14) 
  • New Radiation Machine Registration Forms and Instructions (10-31-14)
  • INFORMATION NOTICE - Possible Changes to Radiation Protection Standards (9-26-14)
  • IMPORTANT-Fee Increase Notification effective January 1, 2015 (9-1-14) 
  • New Continuing Education Credit requirements: Information Notice (2-19-14)
  • Fluoroscopy Examination Preparation Information Notice (1-30-14)
  • Quality Assurrance Regulations - FAQs   (3-11-13)
  • AB 510 (SB1237) - FAQ  (7-20-12)

  • Certificate/Permit Search Tool
  • Continuing Education Information 
  • Radiation Machine Registration Information
  • Fukushima related RHB-radiation monitoring information
  • Physician Assistants - Fluoroscopy Permits (AB 356)
  • Revised Venipuncture Law (Schools) and FAQ
  • RHB Routine Environmental Radiation Monitoring
  • X-ray School Pass Rates
  • RH-2364 - Notice to Employees - Poster
  • 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: 4/21/2016 10:08 AM