In all mines classified as gassy mines by the State Mine Inspector, it shall be compulsory to use electric lamps, and smoking shall be prohibited.
225 ILCS 705/31.15
In all mines classified as gassy mines by the State Mine Inspector, it shall be compulsory to use electric lamps, and smoking shall be prohibited
Laws 1953, p. 701.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.