§325.27. Use of a windscreen.
49 C.F.R. § 325.27
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.
Notes, amendments, and revision history
Authority
Authority: 42 U.S.C. 4917; 49 U.S.C. 301; and 49 CFR 1.87.
Source
Source: 40 FR 42437, Sept. 12, 1975, unless otherwise noted.