49-17-29. (1) (a) Except as in compliance with paragraph (b) of this subsection, it is unlawful for any person (i) to cause pollution of the air in the state or to place or cause to be placed any wastes or other products or substances in a location where they are likely to cause pollution of the air; and (ii) to discharge any wastes, products or substances into the air of the state which exceed st