---
kind: "section"
citation: "40 C.F.R. § 201.14"
title: "40"
number: "201.14"
heading: "Standard for retarders."
url: "https://uscodex.org/cfr/40/201.14"
---

# §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](/cfr/40/subpartC.md) of this part.


## Notes

### Amendments

[45 FR 1263, Jan. 4, 1980; 47 FR 14709, Apr. 6, 1982]

### Authority

Authority: Noise Control Act of 1972, sec. 17(a), 86 Stat. 1234 (42 U.S.C. 4916(a)).

### Source

Source: 45 FR 1263, Jan. 4, 1980, unless otherwise noted.

### Amendments

[45 FR 1263, Jan. 4, 1980; 47 FR 14709, Apr. 6, 1982]