Labor Code § 7983

CHAPTER 2. Gassy and Extrahazardous Tunnels

Current as of September 28, 2026Lab. Code, § 7983Official source ↗

Added by Stats. 1972, Ch. 1430.

The main fan line used for ventilation in any tunnel or underground mine classified extrahazardous shall contain a cutoff switch capable of halting all machinery underground automatically should the fan fail or its performance fall below minimum power needed to maintain a safe atmosphere.