D.C. Mun. Regs. tit. 20, r. 20-3200
The purpose of this chapter is to implement Title III of the Air Quality Amendment Act of 2014 (Act), effective September 9, 2014 (D.C. Law 20-135; D.C. Official Code §§ 8-241.01et seq.
This chapter establishes (1) a licensing program for indoor mold assessment and remediation professionals performing work on all properties in the District of Columbia, (2) a mold contamination threshold for residential properties of ten square feet (10 ft.2) of indoor mold growth in an affected area, and (3) guidelines for residential indoor mold assessment and remediation below the threshold level.
Indoor mold remediation obligations of residential property owners and tenants are stated in D.C. Official Code § 8-241.04 (2013 Repl. & 2015 Supp.).
D.C. Mun. Regs. tit. 20, r. 20-3200