• Subpart A [§ 56.1 - § 56.1000] - Subpart A—General

• Subpart B [§ 56.3000 - § 56.3430] - Subpart B—Ground Control

• Subpart C [§ 56.4000 - § 56.4604] - Subpart C—Fire Prevention and Control

• Subpart D [§ 56.5001 - § 56.5006] - Subpart D—Air Quality and Physical Agents

• Subpart E [§ 56.6000 - § 56.6905] - Subpart E—Explosives

• Subpart F [§ 56.7002 - § 56.7807] - Subpart F—Drilling and Rotary Jet Piercing

• Subpart G - Subpart G [Reserved]

• Subpart H [§ 56.9100 - § 56.9330] - Subpart H—Loading, Hauling, and Dumping

• Subpart I [§ 56.10001 - § 56.10010] - Subpart I—Aerial Tramways

• Subpart J [§ 56.11001 - § 56.11027] - Subpart J—Travelways

• Subpart K [§ 56.12001 - § 56.12071] - Subpart K—Electricity

• Subpart L [§ 56.13001 - § 56.13030] - Subpart L—Compressed Air and Boilers

• Subpart M [§ 56.14000 - § 56.14219] - Subpart M—Machinery and Equipment

• Subpart N [§ 56.15001 - § 56.15020] - Subpart N—Personal Protection

• Subpart O [§ 56.16001 - § 56.16016] - Subpart O—Materials Storage and Handling

• Subpart P [§ 56.17001 - § 56.17001] - Subpart P—Illumination

• Subpart Q [§ 56.18002 - § 56.18020] - Subpart Q—Safety Programs

• Subpart R [§ 56.19000 - § 56.19135] - Subpart R—Personnel Hoisting

• Subpart S [§ 56.20001 - § 56.20014] - Subpart S—Miscellaneous

• Subpart T [§ 56.23000 - § 56.23004] - Subpart T—Safety Program for Surface Mobile Equipment