Regulations last checked for updates: Nov 24, 2024

Title 49 - Transportation last revised: Nov 18, 2024
All TitlesTitle 49Chapter IIIPart 325Subpart C - Subpart C—Instrumentation
View all text of Subpart C [§ 325.21 - § 325.27]
§ 325.27 - Use of a windscreen.

A properly installed windscreen, of the type recommended by the manufacturer of the Sound Level Measurement System, shall be used during the time that noise emission measurements are being taken.

authority: 42 U.S.C. 4917; 49 U.S.C. 301; and 49 CFR 1.87
source: 40 FR 42437, Sept. 12, 1975, unless otherwise noted.
cite as: 49 CFR 325.27
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