Subchapter 15 - Petroleum Safety Orders-Refining, Transportation and Handling
- Article 1 - Application and Scope (§§ 6750 — 6751)
- Article 2 - Definitions (§ 6755)
- Article 3 - Injury and Illness Prevention Program (§§ 6760 — 6762)
- Article 4 - First Aid (§ 6767)
- Article 5 - Fire and Explosions (§§ 6772 — 6781)
- Article 6 - Dangerous Exposure (§§ 6786 — 6789)
- Article 7 - Confined Spaces (§§ 6792 — 6793)
- Article 8 - Access and Egress (§§ 6798 — 6800)
- Article 9 - Tanks and Reservoirs (§§ 6801 — 6809)
- Article 10 - Gas and Vapor Testing (§ 6810)
- Article 11 - Opening and Blinding Pipe Lines and Equipment (§§ 6815 — 6816)
- Article 12 - Hazardous Substances (§§ 6821 — 6823)
- Article 13 - Drainage (§ 6828)
- Article 14 - Agitation and Heating of Liquids in Tanks (§ 6833)
- Article 15 - Process Equipment - Maintenance (§§ 6838 — 6839)
- Article 16 - Pumps, Pipe Lines, Fittings and Valves (§§ 6844 — 6846)
- Article 17 - Equipment Leakage and Breakage (§§ 6851 — 6852)
- Article 18 - Unfired Pressure Vessels, Boilers, and Fired Pressure Vessels and Pressure Relief Valves (§§ 6857 — 6858)
- Article 19 - Identification of Equipment (§ 6862)
- Article 20 - High-Pressure Hydrocarbons (§ 6867)
- Article 21 - Gas Compressors and Engines (§§ 6872 — 6874)
- Article 22 - Loading and Unloading Platforms and Operations (§§ 6879 — 6881)
- Article 23 - Laboratories and Pilot Plants (§§ 6886 — 6887)
- Article 24 - Wharves and Piers (§ 6891)
- Article 25 - Miscellaneous Safety Practices (§§ 6892 — 6896)