25 Pa. Code § 90.146
Railroad loops, spurs, sidings, surface conveyor systems, chutes, aerial tramways or other transportation facilities within the proposed permit area shall be designed, constructed or reconstructed, and maintained and the area restored, to:
(1) Prevent, using the best technology currently available:
The provisions of this § 90.146 adopted December 19, 1980, 10 Pa.B. 4789, effective July 31, 1982, 12 Pa.B. 2382; amended July 30, 1982, 12 Pa.B. 2473, effective July 31, 1982, 12 Pa.B. 2382; corrected March 1, 1985, effective November 13, 1982, 15 Pa.B. 779. Immediately preceding text appears at serial page (92806).
This section cited in 25 Pa. Code § 90.47 (relating to haul roads, access roads and other transportation facilities).