Poisonous or toxic materials necessary for the maintenance of the establishment consist of the following two categories:
Materials in each of these two categories shall be stored and located to be physically separated from each other; shall be stored in cabinets or in similar physically separated compartments or facilities used for no other purpose; and, to preclude potential contamination, shall not be stored above or intermingled with food, food equipment, utensils or single-service articles, except that this latter requirement does not prohibit the convenient availability of detergent sanitizers or sanitizers at warewashing facilities.
N.Y. Comp. Codes R. & Regs. Tit. 1 §§ 271-7.21