53 Pa. Stat. § 24580
It shall be unlawful for any person or persons engaged in gathering bones, grease, or dead animals from the markets or other places in any of said cities, or for any person to transport, haul or carry the same through the streets, alleys and public places therein, without having the wagon or vehicle in which the same is so carried or hauled tightly and securely covered in such manner as shall be approved by the bureau of health, nor shall any such wagon, cart or vehicle be suffered to stand in or upon any street, alley or public place at any time longer than shall be sufficient to transact such business, and in any case not to exceed fifteen minutes, and any person or persons who shall violate the provisions of this section shall be subject to a fine of not less than five nor more than one hundred dollars for each and every violation thereof.
53 P.S. § 24580