D.C. Mun. Regs. tit. 25-D, § 1101
1101.1 Restricted-use pesticides shall be applied only by a certified applicator as defined in section 2 of the Pesticide Operations Act of 1977, effective April 18, 1978 (D.C. Law 2-70; D.C. Official Code § 8-401).
1101.2 Only the following toxic materials may be for use in the massage establishment or health spa facility's operations:
(a) Chemicals required for maintaining clean and sanitary conditions;
(b) Chemicals necessary for plant and equipment maintenance and operation; and
(c) Chemicals necessary for use in the massage establishment or health spa facility's operations.
1101.3 Toxic cleaning compounds, sanitizing agents, and pesticide chemicals shall be identified, held, and stored in a manner that protects against contamination of equipment, devices, fixtures, linens, furnishings, garments, or other supplies as specified in this chapter.
Source: Final Rulemaking published at 56 DCR 7975 (October 9, 2009); as corrected by Errata Notice published at 57 DCR 7899 (August 27, 2010).