30 CFR 50.12 : 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) — Accidents, Injuries, Illnesses, Employment, And Production In Mines (§ 50.1 To § 50.41) — Notification, Investigation, Reports And Records Of Accidents, Injuries, Illnesses, Employment, And Coal Production In Mines (§ 50.1 To § 50.41) — Notification, Investigation, Preservation Of Evidence (§ 50.10 To § 50.12) — Preservation of evidence.

4 Aug 2016

Unless granted permission by a MSHA District Manager Manager, no operator may alter an accident site or an accident related area until completion of all investigations pertaining to the accident except to the extent necessary to rescue or recover an individual, prevent or eliminate an imminent danger, or prevent destruction of mining equipment.

30 CFR 50.12
[42 FR 65535, Dec. 30, 1977; 43 FR 1617, Jan. 11, 1978, as amended at 69 FR 26499, May 13, 2004]