Chapter 4 - UNDERGROUND COAL MINES
- Subpart A - General (§§ 75.1 — 75.2)
- Subpart B - Qualified and Certified Persons (§§ 75.100 — 75.161)
- Subpart C - Roof Support (§§ 75.200 — 75.223)
- Subpart D - Ventilation (§§ 75.300 — 75.389)
- Subpart E - Combustible Material and Rock Dusting (§§ 75.400 — 75.404)
- Subpart F - Electrical Equipment-General (§§ 75.500 — 75.524)
- Subpart G - Trailing Cables (§§ 75.600 — 75.607)
- Subpart H - Grounding (§§ 75.700 — 75.706)
- Subpart I - Underground High-Voltage Distribution (§§ 75.800 — 75.812-2)
- Subpart J - Underground Low- and Medium-Voltage Alternating Current Circuits (§§ 75.900 — 75.907)
- Subpart K - Trolley Wires and Trolley Feeder Wires (§§ 75.1000 — 75.1003-2)
- Subpart L - Fire Protection (§§ 75.1100 — 75.1108-1)
- Subpart M - Maps (§§ 75.1200 — 75.1204-1)
- Subpart N - Explosive and Blasting (§§ 75.1300 — 75.1328)
- Subpart O - Hoisting and Mantrips (§§ 75.1400 — 75.1438)
- Subpart P - Emergency Shelters (§ 751500)
- Subpart Q - Communications (§§ 75.1600 — 75.1600-2)
- Subpart R - Miscellaneous (§§ 75.1700 — 75.1730)
- Subpart S - Approved Book and Records (§§ 75.1800 — 75.1808)
- Subpart T - Diesel-Powered Equipment (§§ 75.1900 — 75.1916)