For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
GARBAGE. All putrescible wastes, including animal offal and carcasses of dead animals, but excluding human excreta, sewage and other water-carried wastes.
OTHER REFUSE. Ashes, glass, crockery, cans, paper, boxes, rags and similar wastes but excluding sand, earth, brick, stone, concrete, trees, tree branches and wood.
(`86 Code, § 4.38)