The purpose of this chapter is to accomplish litter control in the city. This chapter is intended to place upon all persons within the city, the duty of contributing to the public cleanliness and appearance of the city in order to promote the public health, safety and welfare and to protect interests of the people of the city against unsanitary and unsightly conditions. It is further the intent of this chapter to protect the people against the public expense caused by littering. (Ord. 2687 § 1, 1979.)