In addition, the plan shall give consideration to the potential expansion of existing municipal waste processing or disposal facilities located in the county. For the purposes of this subsection, the department shall determine whether applications are complete within 90 days of their receipt and, if incomplete, specify to the applicant all deficiencies of the application. Any subsequent plan revisions shall identify and describe the facilities where municipal waste is currently being disposed or processed and the remaining available permitted capacity of such facilities, and the plan shall consider the capacity which could be made available through the reasonable expansion of such facilities.
53 P.S. § 4000.502