93. The ash produced by the combustion of residual materials must be stored or landfilled in accordance with Division III of this Chapter or in an engineered landfill compliant with Division 2 of Chapter II of the Regulation respecting the landfilling and incineration of residual materials (chapter Q-2, r. 19) or, to the extent that the Regulation so permits, in a solid waste sanitary landfill site compliant with Division IV of the Regulation respecting solid waste (chapter Q-2, r. 13), or be reclaimed in accordance with the Environment Quality Act (chapter Q-2).