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For more information please get in touch with ARPANSA

  • Phone Number+61 3 9433 2211
  • Fax Number+61 3 9432 1835
  • email ARPANSA

Radiation Safety Advice and Risk Evaluation

Scientists in collaboration

Radiation safety advice and risk evaluation services are available from ARPANSA

Read about the services available or contact ARPANSA directly for further advice.

Environmental Radiation

ARPANSA has the capability to assess the level and impact of ionising radiation, from natural and man-made materials, on public health and the environment. Assessments include:

  • level and impact of radionuclides in the Australian environment resulting from natural enhancement, releases from industrial sources, or a nuclear accident
  • radionuclide transport modelling and internal dosimetry for critical radionuclides found in the Australian environment
  • management and disposal of Naturally Occurring Radioactive Materials (NORM) waste from industries, including oil and gas extraction, and the mining and processing of phosphate ores, tin, tantalum and other non‑ferrous ores, and coal; including dose and health-risk assessments
  • dose and health risk assessments in regard to the potential radiation exposure of nuclear veterans
  • health risk assessment and standards compliance for building materials used in Australia, such as granite benchtops, phosphogypsum plasterboard, zircon glaze and ceramic or clay tiles
  • management of radioactive waste and assessment and rehabilitation of sites that have been contaminated by radioactive materials.

Radiation Exposure in Medicine

The use of medical imaging has led to major improvements in the diagnosis and treatment of human diseases. Worldwide, more than 3,600 million X-ray examinations are performed annually, along with 37 million nuclear medicine procedures¹. As the benefits for patients gain recognition, the use of radiation in medicine increases. While the development of modern health technology makes new applications safer, their inappropriate use can lead to unnecessary or unintended radiation doses, and can cause potential health hazards for patients and staff.

ARPANSA offers a range of diagnostic imaging dose assessments and investigations to support the optimal use of ionising radiation in medicine and the minimisation of the radiation dose to the Australian public.

  • Advice on radiation protection of the patient².
  • Dose evaluation/reconstruction and risk evaluation for patients undergoing diagnostic radiological examinations. Typical examples are for examinations performed on the pregnant patient and where repeated or large dose procedures are being proposed, particularly on children.
  • Advice on shielding and operator exposure.

Solar UVR Radiation

For most outdoor workers the sun is the predominant source of UVR exposure. Without adequate protection or control measures the levels of solar UVR exposure may exceed the UVR limits set out in ARPANSA's Radiation Protection Standard for Occupational Exposure to Ultraviolet Radiation (2006). The solar UVR exposure of outdoor workers can be measured by the Assessment and Advice Section at ARPANSA.

Artificial UVR Radiation

There are many types of artificial UVR sources used in industry and some may generate sufficient UVR emissions in the 200 to 400nm wavelength region to be a human health hazard. The UVR hazard of a potential source cannot be based on the level of visible light emissions, as some UVR sources radiate only a faint visible light and still emit high levels of UVR. The Assessment and Advice Section can make traceable radiometric or spectral measurements of unknown sources and provide a hazard assessment of their UVR emissions.

 


1.  World Health Organization
2. International Atomic Energy Agency

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