25 Pa. Code § 89.66
If a slide occurs which may have a potentially adverse effect on public property, health, safety or the environment, the operator shall promptly notify the Department and implement necessary remedial measures approved by the Department.
The provisions of this § 89.66 adopted July 30, 1982, 12 Pa.B. 2473, effective July 31, 1982, 12 Pa.B. 2382.
This section cited in 25 Pa. Code § 88.493 (relating to minimum environmental protection performance standards).