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2019 California Code
Labor Code - LAB
DIVISION 5 - SAFETY IN EMPLOYMENT
PART 9 - TUNNEL AND MINE SAFETY
CHAPTER 2 - Gassy and Extrahazardous Tunnels
Section 7972.
Universal Citation: CA Labor Code § 7972 (2019)
7972.
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.
(Added by Stats. 1972, Ch. 1430.)
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