D.C. Mun. Regs. tit. 16, § 3310
3310.1 [RESERVED]
3310.2 Violation of any of the following provisions shall be a Class 2 infraction:
3310.3 Violation of any of the following provisions shall be a Class 3 infraction:
(a) 20 DCMR § 2703.3 (permitting noise to emanate from railroad cars operated by the Washington Metropolitan Area Transit Authority to exceed the maximum noise level);
(b) 20 DCMR § 2801.2 (permitting noise resulting from the use of any air conditioning, refrigerator, heat pump, fan, swimming pool equipment, or other mechanical equipment to exceed the maximum noise level);
(c) 20 DCMR § 2811.5 (operating a motor vehicle equipped with an engine speed governor that generates a sound level in excess of the maximum noise level);
(d) 20 DCMR § 2812.1 (modifying or altering the exhaust system of a motor vehicle or motorcycle in a manner that will amplify or increase the noise emitted by the vehicle in excess of the maximum noise level); or
(e) 20 DCMR § 2812.2 (using, operating a motor vehicle or a motorcycle having an exhaust system that has been modified or altered in a manner that will increase the noise emitted by the vehicle above the maximum noise level);
3310.4 Violation of any provision of the District of Columbia Noise Control Regulations, 20 DCMR, Chapters 27 to 29, which provision or rule is not cited elsewhere in this section, shall be a Class 4 infraction.
SOURCE: Final Rulemaking published at 52 DCR 4903 (May 27, 2005).