Northern Territory Consolidated Acts Northern Territory Consolidated Acts(1) A radiation source is:
(a) a thing that may emit ionising radiation; or
(b) a thing prescribed by the Regulations that may emit non-ionising radiation.
(2) A radiation source can be radioactive material or a radiation apparatus.
(3) Radioactive material is material that:
(a) spontaneously emits ionising radiation as a consequence of nuclear transformations; and
(b) has or exceeds the activity or activity concentration prescribed by the Regulations.
(4) A radiation apparatus is an apparatus that:
(a) produces radiation when energised; or
(b) is, if assembled or repaired, capable of producing radiation when energised.