820.1 The physical facilities shall be cleaned as often as necessary to keep them clean.

820.2 Maintenance tools such as brooms, mops, vacuum cleaners, and similar items shall be:

(a) Stored so they do not contaminate equipment, devices, fixtures, linens, furnishings, garments, or other supplies; and

(b) Stored in an orderly manner that facilitates cleaning the area used for storing maintenance tools.

820.3 After use, mops shall be placed in a position that allows them to air-dry without soiling walls, equipment, or supplies.

Source: Final Rulemaking published at 56 DCR 7975 (October 9, 2009).