“Rubbish” means nonputrescible material from residential, commercial and institutional property such as paper, cartons, boxes, barrels, woods, excelsior, bedding, furniture, metal, tin cans, dirt, glass, crockery and miscellaneous mineral refuse, not including gravel, sand, earth, building materials, industrial wastes and yard and tree trimmings. (Ord. 153 § 1, 1971; Ord. 140 § 1, 1967; 1978 code § 7.21(2)(b))