Code of Federal Regulations Title 30. Mineral Resources § 30.56.4200 General requirements

(1) Onsite firefighting equipment for fighting fires in their early stages;  and

(2) Onsite firefighting equipment for fighting fires beyond their early stages, or the mine shall have made prior arrangements with a local fire department to fight such fires.

(1) Of the type, size, and quantity that can extinguish fires of any class which could occur as a result of the hazards present;  and

(2) Strategically located, readily accessible, plainly marked, and maintained in fire-ready condition.