---
kind: "section"
citation: "49 C.F.R. § 227.113"
title: "49"
number: "227.113"
heading: "Noise operational controls."
url: "https://uscodex.org/cfr/49/227.113"
---

# §227.113. Noise operational controls.

- (a) Railroads may use noise operational controls at any sound level to reduce exposures to levels below those required by Table A-1 of appendix A of this part.
- (b) Railroads are encouraged to use noise operational controls when employees are exposed to sound exceeding an 8-hour TWA of 90 dB(A).

## Notes

### Authority

Authority: 49 U.S.C. 20103, 20103 note, 20166, 20701-20703, 21301, 21302, 21304; 28 U.S.C. 2461 note; and 49 CFR 1.89.

### Source

Source: 71 FR 63123, Oct. 27, 2006, unless otherwise noted.