Current through Register Vol. 54, No. 25, June 22, 2024
Section 289.531 - Scope and requirements(a) A person or municipality operating a Class II residual waste disposal impoundment shall design, construct, operate and maintain a liner system for disposal areas of the facility or components thereof in accordance with this section and §§ 289.532-289.538.(b) The liner system for a Class II residual waste disposal impoundment shall include the following elements:(1) The subbase, which is the prepared layer of soil or earthen material upon which the remainder of the liner system is constructed.(2) The leachate detection zone, which is a prepared layer placed on top of the subbase and upon which the liner is placed, and in which a leachate detection system is located.(3) The composite liner, which is a continuous layer of synthetic material over earthen material, placed on the leachate detection zone.(4) The protective cover and leachate collection zone, which is a prepared layer placed over the liner in which a leachate collection system is located. This section cited in 25 Pa. Code § 287.114 (relating to interim operational requirements for unpermitted processing or disposal facilities); 25 Pa. Code § 287.116 (relating to interim operational requirements); 25 Pa. Code § 289.512 (relating to liner system and leachate control plan); and 25 Pa. Code § 289.521 (relating to limitations).