California § 7979. 7979. (Added by Stats. 1972, Ch. 1430.)

California Statutes

§ 7979. — 7979. (Added by Stats. 1972, Ch. 1430.)

California § 7979.

JurisdictionCalifornia

Code LABLabor Code - LAB

Div. 5.DIVISION 5. SAFETY IN EMPLOYMENT

Part 9.PART 9. TUNNEL AND MINE SAFETY

Ch. 2.CHAPTER 2. Gassy and Extrahazardous Tunnels

This text of California § 7979. (7979. (Added by Stats. 1972, Ch. 1430.)) is published on Counsel Stack Legal Research, covering California primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook

Cal. Labor Code - LAB Code § 7979. (2026).

Text

In tunnels or underground mines classified extrahazardous, sufficient air shall be supplied to maintain an atmosphere of all of the following conditions:

(a)Not less than 19 percent oxygen.

(b)Not more than 0.5 percent carbon dioxide.

(c)Not more than 5 parts per million nitrogen dioxide.

(d)No petroleum vapors or other toxic gases in concentrations exceeding the threshold limit values established annually by the American Conference of Governmental Industrial Hygienists.

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In tunnels or underground mines classified extrahazardous, sufficient air shall be supplied to maintain an atmosphere of all of the following conditions:
(a)
Not less than 19 percent oxygen.
(b)
Not more than 0.5 percent carbon dioxide.
(c)
Not more than 5 parts per million nitrogen dioxide.
(d)
No petroleum vapors or other toxic gases in concentrations exceeding the threshold limit values established annually by the American Conference of Governmental Industrial Hygienists.

Legislative History

Added by Stats. 1972, Ch. 1430.

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California § 7979., Counsel Stack Legal Research, https://law.counselstack.com/statute/ca/LAB/7979..