Welcome to govCMS

We are the Australian Government’s primary authority on radiation protection and nuclear safety. We protect the Australian people and the environment from the harmful effects of radiation through understanding risks, best practice regulation, research, policy, services, partnerships and engaging with the community.

What's New

CT imaging diagnostic reference levels
13 September 2021

ARPANSA has published updated diagnostic reference levels for medical imaging. These reference levels help clinics understand typical radiation doses received during medical imaging.

7 September 2021

ARPANSA has launched a new research framework to facilitate research of electromagnetic energy exposures and health.

Woman standing with head strapped into medical machine keeping her face still for a dental imaging procedure
2 September 2021

The ARPANSA and the Australian Dental Association (ADA) have joined together to produce a factsheet for patients to explain different types of dental imaging and the associated levels of radiation exposure.