A.   Any owner or occupant of an establishment or institution at which litter is attendant to the packing and unpacking and loading and unloading of materials at exterior locations shall provide suitable containers for the disposal and storage of such litter, and shall make appropriate arrangements for the collection thereof.
   B.   Further, it shall be the duty of the owner or occupant to remove at the end of each working day any litter that has not been containerized at these locations. (Prior code § 18-32-4)