Subchapter O - COAL MINE SAFETY AND HEALTH
- Part 70 - MANDATORY HEALTH STANDARDS-UNDERGROUND COAL MINES (§§ 70.1 — 70.1900)
- Part 71 - MANDATORY HEALTH STANDARDS-SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES (§§ 71.1 — 71.702)
- Part 72 - HEALTH STANDARDS FOR COAL MINES (§§ 72.1 — 72.800)
- Part 74 - COAL MINE DUST SAMPLING DEVICES (§§ 74.1 — 74.18)
- Part 75 - MANDATORY SAFETY STANDARDS-UNDERGROUND COAL MINES (§§ 75.1 — 75.1916)
- Part 77 - MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES (§§ 77.1 — 77.2104)
- Part 90 - MANDATORY HEALTH STANDARDS-COAL MINERS WHO HAVE EVIDENCE OF THE DEVELOPMENT OF PNEUMOCONIOSIS (§§ 90.1 — 90.301)