D.C. Mun. Regs. tit. 22-B, § 3255
3255.1 Adequate provision shall be made for the storage of each housekeeping supply item and each piece of equipment in a janitorial closet that is separate from any toilet or utility room.
3255.2 Each janitorial closet shall be well-lighted and ventilated and shall be equipped with a janitorial sink.
3255.3 Janitorial closets shall be locked when not in use.
3255.4 Each poison and toxic substance, including those used for pest control, shall be stored in the non-resident and non-food preparation areas of the facility.
3255.5 Each storage area containing a poison shall be locked and shall have limited access.
SOURCE: Notice of Final Rulemaking published at 49 DCR 473 (January 18, 2002).