This acronym means, for example, making every reasonable effort to maintain exposures to ionising radiation as far below the dose limits as practical, consistent with the purpose for which the licensed activity is undertaken, taking into account the state of technology, the economics of improvements in relation to state of technology, the economics of improvements in relation to benefits to the public health and safety, and other societal and socioeconomic considerations, and in relation to utilisation of nuclear energy and licensed materials in the public interest.