D.C. Mun. Regs. tit. 25-A, § 3203
Physical Facilities - Cleaning Ventilation Systems, Nuisance and Discharge Prohibition
Effective Nov 30, 201259 DCR 13690Authority: Sections 4 and 10 of An Act Relating to the adulteration of foods and drugs in the District of Columbia, approved February 17, 1898 (30 Stat. 246: D.C. Official Code §§ 48-104 and 48-110 (2009 Repl.)); Section 7 of An Act Making Appropriations to provide for the expenses for the government of the District of Columbia for the fiscal year ending June thirtieth, nineteen hundred and three, and for other purposes (32 Stat.627: D.C. Official Code § 47-2834(a)(1), (a)(2), and (b) (2005 Repl.)); and Mayor’s Order 98-139, dated August 20, 1998, and Mayor’s Order 2002-103, dated June 18, 2002. Source: Final Rulemaking published at 50 DCR 4394 (June 6, 2003), incorporating by reference the text of Proposed Rulemaking published at 49 DCR 6184, 6322 (July 5, 2002); as amended by Final Rulemaking published at 59 DCR 13690 (November 30, 2012).District of Columbia, Office of the Secretary
3203.1 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.
3203.2 If vented to the outside, ventilation systems shall not create a public health hazard or nuisance or unlawful discharge.
SOURCE: Final Rulemaking published at 50 DCR 4394 (June 6, 2003); as amended by Final Rulemaking published at 59 DCR 13690 (November 30, 2012).