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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 D—Thermal Dryers (§77.300 to §77.315) > 77.313—Wet-coal feedbins; low-level indicators.
77.313—Wet-coal feedbins; low-level indicators.
Wet-coal bins feeding thermal drying systems shall be equipped with both audible and visual low-coal-level indicators.