The act of July 31, 1968 (P.L. 788, No. 241), known as the "Pennsylvania Solid Waste Management Act," is repealed: Provided, however, That all permits and orders issued, municipal solid waste management plans approved, and regulations promulgated under such act shall remain in full force and effect unless and until modified, amended, suspended or revoked.
35 P.S. § 6018.1001