(a) All containers, except movable bins used for storage of solid wastes, shall have tight-fitting covers in good repair, external handles and be leakproof and rodent proof.

(b) Movable bins, when used for storing or transporting solid wastes from the premises, shall meet the following requirements:

(c) All containers receiving putrescible wastes shall be emptied at least every four days, or more often if necessary.

(d) Solid waste containers, including movable bins, shall be thoroughly washed and cleaned each time they are emptied unless soil contact surfaces have been completely protected from contamination by disposable liners, bags or other devices removed with the waste. Each movable bin may provide for suitable access and a drainage device to allow complete cleaning at the storage area.