§ 201.14 Standard for retarders.
Current through Aug 22, 2025 · Read all of Part 201
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.
[45 FR 1263, Jan. 4, 1980; 47 FR 14709, Apr. 6, 1982]