Labor Code - LAB
DIVISION 5. SAFETY IN EMPLOYMENT [6300 - 9254]
( Division 5 enacted by Stats. 1937, Ch. 90. ) PART 9. TUNNEL AND MINE SAFETY [7950 - 8004]
( Part 9 added by Stats. 1972, Ch. 1430. ) CHAPTER 2. Gassy and Extrahazardous Tunnels [7965 - 7985]
( Chapter 2 added by Stats. 1972, Ch. 1430. ) 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.)