D.C. Mun. Regs. tit. 25-D, § 818
Physical Facilities - Cleaning Ventilation Systems, Nuisance, and Discharge Prohibition
Effective Oct 9, 200956 DCR 7975Authority: Section 4902 of the Department of Health Functions Clarification Act of 2001 (“Act”) (effective October 3, 2001), D.C. Law 14-28, D.C. Official Code § 7-731(a)(12) (2008 Repl.), and the Mayor’s Order 2006-10 dated January 27, 2006 Source: Final Rulemaking published at 56 DCR 7975 (October 9, 2009)District of Columbia, Office of the Secretary
818.1 Intake and exhaust air ducts shall be cleaned and filters changed so they are not a source of contamination by dust, dirt, and other materials.
818.2 If vented to the outside, ventilation systems shall not create a public health hazard or nuisance, or unlawful discharge.
Source: Final Rulemaking published at 56 DCR 7975 (October 9, 2009).