CurrentChapter III, Subchapter A — General regulations

Part 325 Compliance with Interstate Motor Carrier Noise Emission Standards

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Subpart A—General Provisions

Subpart B—Administrative Provisions

§ 325.11Issuance, amendment, and revocation of the rules in this part.
§ 325.13Inspection and examination of motor vehicles.4 versions

Subpart C—Instrumentation

Subpart D—Measurement of Noise Emissions; Highway Operations

Subpart E—Measurement of Noise Emissions; Stationary Test

Subpart F—Correction Factors

Subpart G—Exhaust Systems and Tires