Labor Code § 7960
‹ § 7959§ 7961 ›Open in browserleginfo ↗7960.
In any tunnel or underground mine classified as potentially gassy, tests for gas or vapors shall be made prior to start of work at each shift. If any concentration of gas at or above 10 percent of the lower explosive limit is recorded, the division shall be notified immediately.
(Added by Stats. 1972, Ch. 1430.)