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]
authority: Noise Control Act of 1972, sec. 17(a), 86 Stat. 1234 (
42 U.S.C. 4916(a))
source: 45 FR 1263, Jan. 4, 1980, unless otherwise noted.
cite as: 40 CFR 201.14