The first 8 feet of solid waste placed on the protective cover may not contain material capable of penetrating or puncturing the protective cover.
25 Pa. Code § 277.260
This section cited in 25 Pa. Code § 277.161 (relating to liner system and leachate control plan); 25 Pa. Code § 277.164 (relating to application requirements for noncoal mine disposal); and 25 Pa. Code § 277.251 (relating to scope and requirements).