California Labor Code
§ 7964
LAB § 7964Div. 5 · Part 9 · Ch. 1
Statute text
View on leginfo.ca.govWhenever an access shaft is used as the normal means of entrance or exit to an underground mine or tunnel, it shall be constructed of fireproof material or fireproofed by chemical or other means.
Legislative history
Added by Stats. 1972, Ch. 1430.