Nonpermissible internal combustion engines or other machinery which gives off noxious fumes shall not be permitted underground in any coal mine.
Structure Code of Alabama
Title 25 - Industrial Relations and Labor.
Article 10 - Hoisting and Haulage.
Section 25-9-211 - Maintenance, etc., of Mine Locomotives and Other Haulage Equipment.
Section 25-9-213 - Clearances, Crossovers, and Shelter Holes on Haulage Roads.
Section 25-9-214 - Certain Machinery Prohibited Underground.