California Code of Regulations (Last Updated: August 6, 2014) |
Title 8. Industrial Relations |
Division 1. Department of Industrial Relations |
Chapter 4. Division of Industrial Safety |
Subchapter 20. Tunnel Safety Orders |
Article 8. Tunnel Classifications |
§ 8422. Tunnel Classifications. |
§ 8424. Airborne Contaminants. |
§ 8425. Operation of Gassy and Extrahazardous Tunnels. |