California Legal Codes and Statutes

§ 7972

Added by Stats. 1972, Ch. 1430.

If the level of gas in any tunnel or underground mine reaches 20 percent of its lower explosive limit at any time all men shall be removed, the division notified immediately by telephone or telegram, and no one shall reenter the tunnel or underground mine until approval is given by the division.

Cite this section

Cal. Lab. Code § 7972 (2026)
https://ca.codecond.com/codes/lab/division-5-safety-in-employment/part-9-tunnel-and-mine-safety/chapter-2-gassy-and-extrahazardous-tunnels/section-7972

Other sections in Chapter 2 - Gassy and Extrahazardous Tunnels

§ 7965§ 7966§ 7967§ 7968§ 7969§ 7970§ 7971§ 7972§ 7973§ 7974…§ 7976§ 7977§ 7978§ 7979§ 7980§ 7981§ 7982§ 7983§ 7984§ 7985

This content is for reference, learning, and study purposes only. All legal text should be verified against the official California Legislative Information website, which is the authoritative source for California law. Data last processed: February 15, 2026.