- Part 24 - Procedures for the Handling of Retaliation Complaints Under Federal Employee Protection Statutes
- Part 70 - Production or Disclosure of Information or Materials
- Part 71 - Protection of Individual Privacy and Access to Records under the Privacy Act of 1974
- Part 1901 - Procedures for State Agreements
- Part 1902 - State Plans for the Development and Enforcement of State Standards
- Part 1903 - Inspections, Citations, and Proposed Penalties
- Part 1904 - Recording and Reporting Occupational Injuries and Illness
- Part 1905 - Rules of Practice
- Part 1906 - Administration Witness and Documentations in Private Litigation
- Part 1908 - Consultation Agreements
- Part 1910 - Occupational Safety and Health Standards
- Part 1911 - Rules of Procedure for Promulgating, Modifying or Revoking OSHA Standards
- Part 1912 - Advisory Committees on Standards
- Part 1912A - National Advisory Committee on OSHA
- Part 1913 - Rules Concerning OSHA Access to Employee Medical Records
- Part 1915 - Occup. Safety and Health Standards for Shipyard Employment
- Part 1917 - Marine Terminals
- Part 1918 - Safety and Health Regulations for Longshoring
- Part 1919 - Gear Certification
- Part 1920 - Procedure for Variations under Longshoremen's Act
- Part 1925 - Safety and Health Standards for Federal Service Contracts
- Part 1926 - Safety and Health Regulations for Construction
- Part 1928 - Occup. Safety and Health Standards for Agriculture
- Part 1949 - Office of Training and Education, OSHA
- Part 1952 - Approved State Plans for Enforcement of State Standards
- Part 1953 - Changes to State Plans
- Part 1954 - Procedures for the Eval. and Monitoring of Approved State Plans
- Part 1955 - Procedures for Withdrawl of Approval of State Plans
- Part 1956 - Plans for State and Local Government Employees without Approved Plans
- Part 1960 - Basic Program Elements for Federal Employees OSHA
- Part 1977 - Discrimination against Employees under OSHA Act of 1970
- Part 1978 - Procedures For The Handling Of Retaliation Complaints Under The Employee Protection Provision Of The Surface Transportation Assistance Act Of 1982 (STAA), As Amended
- Part 1979 - Procedures for the Handling of Discrimination Complaints Under Section 519 of the Wendell H. Ford Aviation Investment and Reform Act for the 21ST Century
- Part 1980 - Procedures for the Handling of Discrimination Complaints Under Section 806 Of the Corporate and Criminal Fraud Accountability Act of 2002, Title VIII of the Sarbanes-Oxley Act of 2002
- Part 1981 - Procedures for the Handling of Discrimination Complaints Under Section 6 of The Pipeline Safety Improvement Act of 2002
- Part 1982 - Procedures for the Handling of Retaliation Complaints Under the National Transit Systems Security Act of 2007, Enacted as Section 1413 of the Implementing Recommendations of the 9/11 Commission Act of 2007, and The Federal Railroad Safety Act, as Amended by Section 1521 of the Implementing Recommendations of the 9/11 Commission Act of 2007
- Part 1983 - Procedures for the Handling of Retaliation Complaints Under Section 219 of The Consumer Product Safety Improvement Act of 2008
- Part 1990 - Identification, Classification, and Regulation of Carcinogens
- Part 2200 - OSHA Review Commission
- Part 2201 - Regulations Implementing The Freedom of Information Act.
- Part 2203 - Regulations Implementing The Government In the Sunshine Act
- Part 2204 - Implementation of the Equal Access to Justice Act
- Part 2205 - Enforcement of Nondiscrimination on the Basis of Handicap in Programs or Activities Conducted by the Occupational Safety and Health Review Commission