30 C.F.R. § 50.10 Immediate notification.
Title 30 - Mineral Resources
If an accident occurs, an operator shall immediately contact the MSHA District Office having jurisdiction over its mine. If an operator cannot contact the appropriate MSHA District Office, it shall immediately contact the MSHA Headquarters Office in Arlington, Virginia by telephone, at (800) 746–1553. The operator shall contact MSHA as described at once without delay and within 15 minutes. If communications are lost because of an emergency or other unexpected event, the operator shall notify MSHA at once without delay and within 15 minutes of having access to a telephone or other means of communication. [71 FR 12269, Mar. 9, 2006]
Title 30: Mineral Resources
PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES
Subpart B—Notification, Investigation, Preservation of Evidence
§ 50.10 Immediate notification.