30 C.F.R. § 75.1101-22 Inspection of dry powder chemical systems.
Title 30 - Mineral Resources
(a) Each dry powder chemical system shall be examined weekly and a functional test of the complete system shall be conducted at least once each year. (b) Where the dry powder chemical system has been actuated, all components of the system shall be cleaned immediately by flushing all powder from pipes and hoses and all hose damaged by fire shall be replaced.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart L—Fire Protection
§ 75.1101-22 Inspection of dry powder chemical systems.
