49 CFR § 325.27 Compliance with Interstate Motor Carrier Noise Emission Standards

§ 325.27 Use of a windscreen.

Current through Sep 25, 2026 · Read all of Part 325

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.

← § 325.25 Calibration of measurement systems.§ 325.31 Scope of the rules in this subpart. →