Victorian Consolidated Regulations

RADIATION REGULATIONS 2017 - REG 5

In these Regulations—

effective dose means the sum of the weighted equivalent doses in all the tissues and organs of the body and is determined by the formula—

where—

    E     is the effective dose;

    W _T     is the tissue weighting factor for tissue or organ T;

H _T     is the equivalent dose in tissue or organ T;

equivalent dose means the absorbed dose averaged over a tissue or organ modified by the radiation weighting factor, W _R and is determined by the formula—

where—

    H _T     is the equivalent dose in tissue or organ T;

    D _{T, R}     is the absorbed dose averaged over the tissue or organ T, due to radiation R;

"medical exposure" means—

        (a)     the receipt of a radiation dose by a patient during the course of, or for the purposes of, a diagnosis or treatment of an injury or illness of the patient; or

        (b)     an exposure of a person to an emission of radiation (other than occupational exposure) knowingly incurred by that person while supporting and comforting a patient receiving a radiation dose during the course of, or for the purposes of a diagnosis or treatment of, an injury or illness of the patient; or

        (c)     the receipt of a radiation dose by a volunteer during the course of medical research;

"occupational exposure" means the exposure to an emission of radiation of a person using a radiation source or directly conducting a radiation practice;

"public exposure" means the exposure of a person to an emission of radiation that is not occupational exposure or medical exposure;

"the Act" means the Radiation Act 2005 .