Environmental issues

Hazardous materials

Types of accrediation

The Office of Environment and Heritage (OEH) currently only issues accreditations for a CRE to assess:

  • Diagnostic imaging apparatus (x-ray)
  • Fixed radiation gauges


Individuals who are appropriately qualified can apply to become a CRE in one or all of the categories listed below.

Diagnostic imaging apparatus


Diagnostic imaging apparatus (DIA) includes the following categories: dental, mammography radiography, fluoroscopy, computed tomography, bone mineral densitometry, veterinary and chiropractic.


A CRE may be accredited to assess ionising radiation apparatus and verify mandatory registration requirements (in accordance with the requirements of Guideline 6) for ionising radiation apparatus in the following categories:


DIA for dental only - includes intra-oral, panoramic x-ray, cephalometry and dental CT (RAD)

DIA for mammography only (RCM)

DIA excluding mammography and dental (RAR)

  • radiography
  • fluoroscopy
  • computed tomography
  • bone mineral densitometry
  • veterinary & chiropractic

DIA excluding mammography (RCR)

  • dental - intra-oral, panoramic x-ray, cephalometry and dental CT
  • radiography 
  • fluoroscopy
  • computed tomography
  • bone mineral densitometry
  • veterinary & chiropractic

Fixed radiation gauges


A CRE may be accredited to assess radiation gauges installed in fixed positions (fixed radiation gauges) for the purpose of certifying compliance with requirements for registration.

Page last updated: 05 May 2011