(1) In accordance with the applicable provisions of ORS chapter 183, the Environmental Quality Commission shall adopt such rules and standards as it considers necessary and proper in performing the functions vested by law in the commission.
(2) Except as provided in ORS 183.335 (5), the commission shall cause a public hearing to be held on any proposed rule or standard prior to its adoption. The hearing may be before the commission, any designated member thereof or any person designated by and acting for the commission.