(a) Wastes shall be disposed of only at authorized disposal sites and in such manner as may be prescribed by regulations of the Waste Management Authority.
(b) The Department of Planning and Natural Resources shall approve by suitable permit the establishment and operation of all disposal sites and these sites shall be subject to all applicable provisions of this chapter.
(c) Commercial disposal sites shall accept wastes properly delivered by any person; provided, that such wastes are of a class they are authorized to handle, and they may charge not less than two dollars ($2.00) per commercial truck load of waste and one dollar ($1.00) per truck load of waste.