LINER SYSTEM
§ 273.251. Scope and requirements.
(a) A person or municipality shall design, construct, operate and maintain a liner system for disposal areas of a municipal waste landfill or components of it under this section and § § 273.252—273.260 if one of the following applies:
(1) The person or municipality receives a permit to operate a municipal waste landfill after April 9, 1988 including a permit that results in an expansion of a facility permitted prior to April 9, 1988.
(2) The person or municipality disposes of waste on a permitted or unpermitted component thereof where waste was not disposed prior to April 9, 1988.
(b) A liner system shall consist of the following elements:
(1) Subbase, which is the prepared layer of soil or earthen materials upon which the remainder of the liner system is constructed.
(2) Secondary liner, which is a continuous layer of synthetic materials or remolded clay placed on the subbase.
(3) Leachate detection zone, which is the prepared layer placed on top of the secondary liner and upon which the primary liner is placed, and in which a leachate detection system is located.
(4) Primary liner, which is a continuous layer of synthetic materials placed on the leachate detection zone.
(5) Protective cover and leachate collection zone, which is a prepared layer placed over the primary liner in which a leachate collection system is located.
(c) Either the primary or the secondary liner shall be constructed as a composite liner. For a permit issued under this article prior to December 23, 2000, this requirement does not apply until December 24, 2001.
Source The provisions of this § 273.251 amended December 22, 2000, effective December 23, 2000, 30 Pa.B. 6685. Immediately preceding text appears at serial page (243504).
Cross References This section cited in 25 Pa. Code § 273.161 (relating to liner system and leachate control plan); 25 Pa. Code § 273.271 (relating to scope); and 25 Pa. Code § 273.282 (relating to number, location and depth of monitoring points).
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