• Part 1926 [§ 1926.1 - § 1926.1443] - PART 1926—SAFETY AND HEALTH REGULATIONS FOR CONSTRUCTION

• Part 1927 - PART 1927 [RESERVED]

• Part 1928 [§ 1928.1 - § 1928.1027] - PART 1928—OCCUPATIONAL SAFETY AND HEALTH STANDARDS FOR AGRICULTURE

• Part 1949 [§ 1949.1 - § 1949.5] - PART 1949—OFFICE OF TRAINING AND EDUCATION, OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION

• Part 1952 [§ 1952.1 - § 1952.29] - PART 1952—APPROVED STATE PLANS FOR ENFORCEMENT OF STATE STANDARDS

• Part 1953 [§ 1953.1 - § 1953.6] - PART 1953—CHANGES TO STATE PLANS

• Part 1954 [§ 1954.1 - § 1954.22] - PART 1954—PROCEDURES FOR THE EVALUATION AND MONITORING OF APPROVED STATE PLANS

• Part 1955 [§ 1955.1 - § 1955.47] - PART 1955—PROCEDURES FOR WITHDRAWAL OF APPROVAL OF STATE PLANS

• Part 1956 [§ 1956.1 - § 1956.24] - PART 1956—STATE PLANS FOR THE DEVELOPMENT AND ENFORCEMENT OF STATE STANDARDS APPLICABLE TO STATE AND LOCAL GOVERNMENT EMPLOYEES IN STATES WITHOUT APPROVED PRIVATE EMPLOYEE PLANS

• Part 1960 [§ 1960.1 - § 1960.90] - PART 1960—BASIC PROGRAM ELEMENTS FOR FEDERAL EMPLOYEE OCCUPATIONAL SAFETY AND HEALTH PROGRAMS AND RELATED MATTERS

• Part 1975 [§ 1975.1 - § 1975.6] - PART 1975—COVERAGE OF EMPLOYERS UNDER THE WILLIAMS-STEIGER OCCUPATIONAL SAFETY AND HEALTH ACT OF 1970

• Part 1977 [§ 1977.1 - § 1977.23] - PART 1977—DISCRIMINATION AGAINST EMPLOYEES EXERCISING RIGHTS UNDER THE WILLIAMS-STEIGER OCCUPATIONAL SAFETY AND HEALTH ACT OF 1970

• Part 1978 [§ 1978.100 - § 1978.115] - 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 [§ 1979.100 - § 1979.114] - 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 [§ 1980.100 - § 1980.115] - PART 1980—PROCEDURES FOR THE HANDLING OF RETALIATION COMPLAINTS UNDER SECTION 806 OF THE SARBANES-OXLEY ACT OF 2002, AS AMENDED

• Part 1981 [§ 1981.100 - § 1981.114] - PART 1981—PROCEDURES FOR THE HANDLING OF DISCRIMINATION COMPLAINTS UNDER SECTION 6 OF THE PIPELINE SAFETY IMPROVEMENT ACT OF 2002

• Part 1982 [§ 1982.100 - § 1982.115] - PART 1982—PROCEDURES FOR THE HANDLING OF RETALIATION COMPLAINTS UNDER THE NATIONAL TRANSIT SYSTEMS SECURITY ACT AND THE FEDERAL RAILROAD SAFETY ACT

• Part 1983 [§ 1983.100 - § 1983.115] - PART 1983—PROCEDURES FOR THE HANDLING OF RETALIATION COMPLAINTS UNDER SECTION 219 OF THE CONSUMER PRODUCT SAFETY IMPROVEMENT ACT OF 2008

• Part 1984 [§ 1984.100 - § 1984.115] - PART 1984—PROCEDURES FOR THE HANDLING OF RETALIATION COMPLAINTS UNDER SECTION 1558 OF THE AFFORDABLE CARE ACT

• Part 1985 [§ 1985.100 - § 1985.115] - PART 1985—PROCEDURES FOR HANDLING RETALIATION COMPLAINTS UNDER THE EMPLOYEE PROTECTION PROVISION OF THE CONSUMER FINANCIAL PROTECTION ACT OF 2010

• Part 1986 [§ 1986.100 - § 1986.115] - PART 1986—PROCEDURES FOR THE HANDLING OF RETALIATION COMPLAINTS UNDER THE EMPLOYEE PROTECTION PROVISION OF THE SEAMAN'S PROTECTION ACT (SPA), AS AMENDED

• Part 1987 [§ 1987.100 - § 1987.115] - PART 1987—PROCEDURES FOR HANDLING RETALIATION COMPLAINTS UNDER SECTION 402 OF THE FDA FOOD SAFETY MODERNIZATION ACT

• Part 1988 [§ 1988.100 - § 1988.115] - PART 1988—PROCEDURES FOR HANDLING RETALIATION COMPLAINTS UNDER SECTION 31307 OF THE MOVING AHEAD FOR PROGRESS IN THE 21ST CENTURY ACT (MAP-21)

• Part 1989 [§ 1989.100 - § 1989.115] - PART 1989—PROCEDURES FOR THE HANDLING OF RETAILIATION COMPAINTS UNDER THE TAXPAYER FIRST ACT (TFA)

• Part 1990 [§ 1990.101 - § 1990.152] - PART 1990—IDENTIFICATION, CLASSIFICATION, AND REGULATION OF POTENTIAL OCCUPATIONAL CARCINOGENS

• Part 1991 [§ 1991.100 - § 1991.115] - PART 1991—PROCEDURES FOR THE HANDLING OF RETALIATION COMPLAINTS UNDER THE CRIMINAL ANTITRUST ANTI-RETALIATION ACT (CAARA)

• Part 1992-1999 - PARTS 1992-1999 [RESERVED]