• Subpart A [§ 1910.1 - § 1910.9] - Subpart A—General

• Subpart B [§ 1910.11 - § 1910.19] - Subpart B—Adoption and Extension of Established Federal Standards

• Subpart C - Subpart C [Reserved]

• Subpart D [§ 1910.21 - § 1910.30] - Subpart D—Walking-Working Surfaces

• Subpart E [§ 1910.33 - § 1910.39] - Subpart E—Exit Routes and Emergency Planning

• Subpart F [§ 1910.66 - § 1910.68] - Subpart F—Powered Platforms, Manlifts, and Vehicle-Mounted Work Platforms

• Subpart G [§ 1910.94 - § 1910.98] - Subpart G—Occupational Health and Environmental Control

• Subpart H [§ 1910.101 - § 1910.126] - Subpart H—Hazardous Materials

• Subpart I [§ 1910.132 - § 1910.140] - Subpart I—Personal Protective Equipment

• Subpart J [§ 1910.141 - § 1910.147] - Subpart J—General Environmental Controls

• Subpart K [§ 1910.151 - § 1910.152] - Subpart K—Medical and First Aid

• Subpart L [§ 1910.155 - § 1910.165] - Subpart L—Fire Protection

• Subpart M [§ 1910.166 - § 1910.169] - Subpart M—Compressed Gas and Compressed Air Equipment

• Subpart N [§ 1910.176 - § 1910.184] - Subpart N—Materials Handling and Storage

• Subpart O [§ 1910.211 - § 1910.219] - Subpart O—Machinery and Machine Guarding

• Subpart P [§ 1910.241 - § 1910.244] - Subpart P—Hand and Portable Powered Tools and Other Hand-Held Equipment

• Subpart Q [§ 1910.251 - § 1910.255] - Subpart Q—Welding, Cutting and Brazing

• Subpart R [§ 1910.261 - § 1910.272] - Subpart R—Special Industries

• Subpart S [§ 1910.301 - § 1910.399] - Subpart S—Electrical

• Subpart T [§ 1910.401 - § 1910.440] - Subpart T—Commercial Diving Operations

• Subpart U [§ 1910.501 - § 1910.509] - Subpart U—COVID-19

• Subpart V - Subparts V-Y [Reserved]

• §§ 1910.901-1910.999 - §[Reserved]