D.C. Code § 8-1301
Air quality control regulations enacted: Section 3 of D.C. Law 5-165, as amended by § 15 of D.C. Law 6-192, effective February 24, 1987, enacted air quality control regulations of the District of Columbia as Chapters 1 through 9 of Title 20 of the District of Columbia Municipal Regulations, "Environment and Energy".
Section 485 of D.C. Law 6-42 amended §§ 100.4 and 105.1 of the Air Quality Control Regulations, effective March 15, 1985 (D.C. Law 5-165; 20 DCMR Chapters 1 through 9) to provide for adjudication of infractions pursuant to Chapter 18 of Title 2. Section 501(b) of D.C. Law 6-42 provided that the provisions of the act shall apply only to infractions which occur or are discovered by inspection after October 5, 1985.