Section 12505 - Use of Poisonous Insecticides and Rodenticides in Food Processing Establishments(a) Every practical precaution shall be taken to keep establishments free from flies, rats, mice and other vermin. If necessary, rodent-proof rooms shall be provided for materials which might become contaminated by these pests.(b) The use of insecticides or rodenticides, toxic to humans, in areas where any food product, not adequately protected, is being stored or handled is prohibited.(c) Poisonous insecticides and rodenticides may be used under buildings, wharves, outbuildings, or similar places, or where adequately protected packaged products are stored; only, if adequate precautions are taken to eliminate the possibility of said poisons being accidentally spilled, or carried, by any means, to areas where these poisons are prohibited. These poisons are to be adequately protected from possible contact by children, or domestic animals, and are to be plainly and distinctly labeled for identification by adults.Cal. Code Regs. Tit. 17, § 12505