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CFR > Title 30 - Mineral Resources > CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR > SUBCHAPTER O—COAL MINE SAFETY AND HEALTH (parts 70 to 90) > PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES > SUBPART L—Fire Protection (§77.1100 to §77.1112) > 77.1102—Warning signs; smoking and open flame.
77.1102—Warning signs; smoking and open flame.
Signs warning against smoking and open flames shall be posted so they can be readily seen in areas or places where fire or explosion hazards exist.