Section 46

Where the Director-General considers it necessary in the case of an emergency, he or she may direct the immediate execution of any work or the doing of any act being any work or act authorised under this Act which is in his or her opinion necessary to prevent injury or danger to public health or serious pollution of the environment.

Any expenses reasonably incurred by the Director‑General under subsection (1) may be recovered from the person whose act or omission resulted in the emergency or the owner of the premises where the emergency originated, and section 51 and, if that person is the owner of the premises, section 53 apply in respect of those expenses.