CFR /  Title 30  /  Part 75  /  Sec. 75.505 Mines classed gassy; use and maintenance of permissible

[Statutory Provision]

Any coal mine which, prior to March 30, 1970, was classed gassy under any provision of law and was required to use permissible electric face equipment and to maintain such equipment in a permissible condition shall continue to use such equipment and to maintain such equipment in such condition.