N.Y. Comp. Codes R. & Regs. tit. 1, § 271-7.21
(b) detergents, sanitizers, related cleaning or drying agents, and caustics, acids, polishes and other chemicals.
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.
Poisonous or toxic materials necessary for the maintenance of the establishment consist of the following two categories: