30 C.F.R. § 75.1101-13 Dry powder chemical systems; general.
Title 30 - Mineral Resources
Self-contained dry powder chemical systems may be installed to protect main and secondary belt conveyor drives, however, where such systems are employed, they shall be installed and maintained in accordance with the provisions of §§75.1101–14 through 75.1101–22.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart L—Fire Protection
§ 75.1101-13 Dry powder chemical systems; general.
