Every occupant of a dwelling unit shall store and discard in a clean, sanitary and safe manner all his garbage and any other organic waste which might provide food for rodents and insects. If a container is used for storage pending collection, it shall be secure against entry by insects and rodents and shall be watertight.
K.
No owner or occupant of a dwelling, dwelling unit or structure shall accumulate rubbish, boxes, lumber, scrap metal or any other material in such a manner that may provide harborage or food for rodents in or about any dwelling, dwelling unit or structure.
L.
No owner shall let for occupancy any dwelling or dwelling unit unless all exterior doors and all accessible windows, etc., of the dwelling or dwelling unit are equipped with safe, functioning locking devices.