Until picked up by a collector, each person shall be responsible for the cleanup of any and all refuse which that person has generated, dumped, spilled or otherwise loose or littered, notwithstanding human or animal interference with bins or containers (whether or not standard containers were used), wind or other natural forces, and whether during storage, collection, removal or transfer. The city or contractor shall be responsible for any refuse spilled during its storage, collection, removal or transfer. (Ord. 119 § 2, 1993)