The department shall adopt any rules, standards, criteria, plans or procedures that may be necessary to carry out the provisions and purposes of this Act. The department shall provide for public notice and hearing on all proposed rules, standards, criteria, plans, procedures or schedules pursuant to Title 5, chapter 375. Unless otherwise provided by this chapter, rules adopted pursuant to this chapter are routine technical rules as defined by Title 5, chapter 375, subchapter II?A. [PL 2001, c. 664, §2 (NEW).]