View all text of Subpart B [§ 201.10 - § 201.16]
§ 201.14 - Standard for retarders.
Effective January 15, 1984, no carrier subject to this regulation shall operate retarders that exceed an adjusted average maximum A-weighted sound level of 83 dB at any receiving property measurement location, when measured with fast meter response in accordance with Subpart C of this part.