GroundRules
49 CFR 227.117: Hearing protector attenuation.
Where this section sits in the code
- Title 49—Transportation
- Subtitle B—Other Regulations Relating to Transportation
- CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- PART 227—OCCUPATIONAL SAFETY AND HEALTH IN THE LOCOMOTIVE CAB
- Subpart B—Occupational Noise Exposure for Railroad Operating Employees.
(a) A railroad shall evaluate hearing protector attenuation for the specific noise environments in which the protector will be used. The railroad shall use one of the evaluation methods described in appendix B of this part; “Methods for Estimating the Adequacy of Hearing Protector Attenuation.”
(b) Hearing protectors shall attenuate employee exposure to an 8-hour TWA of 90 decibels or lower, as required by § 227.115.
(c) For employees who have experienced a standard threshold shift, hearing protectors must attenuate employee exposure to an 8-hour time-weighted average of 85 decibels or lower.
(d) The adequacy of hearing protector attenuation shall be re-evaluated whenever employee noise exposures increase to the extent that the hearing protectors provided may no longer provide adequate attenuation. A railroad shall provide more effective hearing protectors where necessary.
Collected 2026-08-27T02:26:34Z. Source file · JSON