§ 288.535. Liner.
(a) Standards of performance. The liner shall meet the following standards of performance:
(1) The liner shall prevent the migration of leachate through the liner to the greatest degree that is technologically possible.
(2) The effectiveness of the liner in preventing the migration of leachate may not be adversely affected by the physical or chemical characteristics of solid waste, solid waste constituents or leachate from the facility.
(3) The liner shall be resistant to physical failure, chemical failure and other failure from the sources identified under § 288.512(d) (relating to liner system and leachate control plan).
(4) The liner shall cover the bottom and sidewalls of the facility.
(b) Alternative design requirements. Unless alternative design requirements to meet the performance standards in subsection (a) are approved as part of the permit under § 287.231 (relating to equivalency review procedure), the liner shall meet, at a minimum, the requirements of Appendix A, Table II (relating to minimum liner design standards).
(c) Requirements. A liner shall meet the following standards. A liner shall include:
(1) An upper component made of a manufactured geosynthetic liner that meets the following requirements independently of the composite component:
(i) The upper component shall be no more permeable than 1.0 x 10-7 cm/sec. based on laboratory testing.
(ii) The upper component shall be installed according to manufacturer’s specifications under the supervision of an authorized representative of the manufacturer. An approved assurance and quality control program shall be implemented in the field during the installation of the liner.
(iii) The upper component shall be inspected for uniformity, damage and imperfections during construction and installation.
(2) A composite component made of earthen material that meets the following requirements independent of the upper component:
(i) The composite component shall be no more permeable than 1.0 x 10-6 cm/sec. based on laboratory testing and field testing.
(ii) The composite component shall be designed, installed and maintained according to a quality assurance and quality control plan approved by the Department.
(iii) The composite component shall be inspected for uniformity, damage and imperfections during construction and installation.
(iv) The composite component shall be constructed in compacted lifts not exceeding 6 inches in depth, if the composite component is more than 6 inches in thickness. A lift shall be scarified before placement of the next lift.
(3) The two components of the composite liner shall be designed, constructed and maintained to provide a compression connection, or direct continuous contact, between them.
Source The provisions of this § 288.535 amended January 12, 2001, effective January 13, 2001, 31 Pa.B. 235. Immediately preceding text appears at serial pages (226681) to (226682).
Cross References 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 § 288.512 (relating to liner system and leachate control plan); 25 Pa. Code § 288.521 (relating to basic limitations); and 25 Pa. Code § 288.531 (relating to scope and requirements).
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