52 Pa. Stat. § 70-412
It shall be the duty of the operator or superintendent of each mine or colliery, where ten or more men are employed, to provide a suitable building, not an engine or boiler house, which shall be convenient to the principal entrance of such mine or colliery, for the use of the persons employed therein for the purpose of washing themselves and changing their clothes when entering and leaving their place of employment. The said building shall be maintained in good order, to be properly lighted and heated, supplied with pure cold and warm water, toilet facilities, and shall be provided with facilities for persons to wash. If any person or persons shall neglect or fail to comply with the provisions of this article, or maliciously injure or destroy, or cause to be injured or destroyed, the said building, or any part thereof, or any of the appliances or fittings used for supplying light, heat and water therein, or doing any act tending to the injury or destruction thereof, he or they shall be deemed guilty of an offense against this act.
52 P.S. § 70-412