Regulations last checked for updates: Jan 18, 2025

Title 49 - Transportation last revised: Jan 16, 2025
All TitlesTitle 49Chapter IIPart 227Appendix Appendix A - Appendix A to Part 227—Noise Exposure Computation
Collapse to view onlyAppendix Appendix A - Appendix A to Part 227—Noise Exposure Computation
Table of Contents

authority: 49 U.S.C. 20103,20103,20166,20701,21301,21302,21304; 28 U.S.C. 2461 note; and 49 CFR 1.89
source: 71 FR 63123, Oct. 27, 2006, unless otherwise noted.
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