8Meaning of radiation and ionising and non-ionising

8 Meaning of radiation and ionising and non-ionising radiation (1) For this Act, radiation is a phenomena caused naturally, or created artificially, that is— (a) an electromagnetic waveform, quanta or both; and (b) propagated through space or through a material medium. (2) Radiation is ionising if it is— (a) capable of producing ions directly or indirectly; and (b) either— (i) particulate radiation; or (ii) electromagnetic radiation of a wavelength of 100 nanometres or less. (3) Radiation is non-ionising if it is electromagnetic radiation of a wavelength greater than 100 nanometres.