30 C.F.R. § 75.1103-3 Automatic fire sensor and warning device systems; minimum requirements; general.
Title 30 - Mineral Resources
Automatic fire sensor and warning device systems installed in belt haulageways of underground coal mines shall be assembled from components which meet the minimum requirements set forth in §§75.1103–4 through 75.1103–7 unless otherwise approved by the Secretary. [37 FR 16545, Aug. 16, 1972]
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart L—Fire Protection
§ 75.1103-3 Automatic fire sensor and warning device systems; minimum requirements; general.
