For the purposes of this Chapter, the word "garbage" as used in this Chapter means all refuse, animal, plant and vegetable matter, ashes, floor sweepings, wastepaper, and the like; but shall not be construed to include animal or poultry manure, basement, foundation, or lawn excavations, or loose earth from excavations of any kind, or trees, except small prunings, or debris from the construction or wreckage of buildings; but this definition shall not be held to exclude as garbage anything which is commonly known or accepted as such even though not specified herein, and in case of doubt or dispute, the City Council shall decide such dispute and its decision shall be final and conclusive. (1977 Code § 7.08.010)