(a) In addition to any other power or duty prescribed by law and in this chapter, the director shall prevent, control, and abate air pollution and the emission of air pollutants in the State.
(b) In the discharge of the duty described in subsection (a) the director may adopt, amend, and repeal state rules controlling and prohibiting air pollution and the release of air pollutants or as otherwise necessary for the purposes of this chapter.
(c) In addition to other specific powers provided in this chapter, the director may appoint, without regard to chapter 76, hearings officers to conduct contested case hearings and public participation activities, including public hearings and public informational meetings.