30 CFR 77.1001 : Mineral Resources (§ 1.1 To Parts 1291-1299) — (§ 1.1 To Parts 105-199) — Mine Safety And Health Administration, Department Of Labor (§ 1.1 To Parts 105-199) — Coal Mine Safety And Health (§ 70.1 To § 90.301) — Mandatory Safety Standards, Surface Coal Mines And Surface Work Areas Of Underground Coal Mines (§ 77.1 To Subpart U) — Ground Control (§ 77.1000 To § 77.1013) — Stripping; loose material.

4 Aug 2016

Loose hazardous material shall be stripped for a safe distance from the top of pit or highwalls, and the loose unconsolidated material shall be sloped to the angle of repose, or barriers, baffle boards, screens, or other devices be provided that afford equivalent protection.

30 CFR 77.1001