Section 7973 Of Chapter 2. Gassy And Extrahazardous Tunnels From California Labor Code >> Division 5. >> Part 9. >> Chapter 2.
7973
. In any tunnel or underground mine classified as gassy, all
employees shall be informed of any special orders made by the
division following an inspection. Such notice shall be given before
entering the tunnel or underground mine. A copy of any orders
subsequently written by the division shall be posted and all
employees shall be notified at a safety meeting called by the safety
representative before they are permitted to start work.