22What is a nuclear action?

22  What is a nuclear action?  (1) In this Act: nuclear action means any of the following:  (a) establishing or significantly modifying a nuclear installation;  (b) transporting spent nuclear fuel or radioactive waste products arising from reprocessing;  (c) establishing or significantly modifying a facility for storing radioactive waste products arising from reprocessing;  (d) mining or milling uranium ore;  (e) establishing or significantly modifying a large‑scale disposal facility for radioactive waste;  (f) de‑commissioning or rehabilitating any facility or area in which an activity described in paragraph (a), (b), (c), (d) or (e) has been undertaken;  (g) any other action prescribed by the regulations. nuclear installation means any of the following:  (a) a nuclear reactor for research or production of nuclear materials for industrial or medical use (including critical and sub‑critical assemblies);  (b) a plant for preparing or storing fuel for use in a nuclear reactor as described in paragraph (a);  (c) a nuclear waste storage or disposal facility with an activity that is greater than the activity level prescribed by regulations made for the purposes of this section;  (d) a facility for production of radioisotopes with an activity that is greater than the activity level prescribed by regulations made for the purposes of this section. Note: A nuclear waste storage or disposal facility could include a facility for storing spent nuclear fuel, depending on the regulations. radioactive waste means radioactive material for which no further use is foreseen. reprocessing means a process or operation to extract radioactive isotopes from spent nuclear fuel for further use. spent nuclear fuel means nuclear fuel that has been irradiated in a nuclear reactor core and permanently removed from the core.  (2) In this Act: large‑scale disposal facility for radioactive waste means, if regulations are made for the purposes of this definition, a facility prescribed by the regulations.