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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Mar 21, 2023
All Titles
Title 49
Chapter III
Part 325 - COMPLIANCE WITH INTERSTATE MOTOR CARRIER NOISE EMISSION STANDARDS
Subpart A [§ 325.1 - § 325.9] - General Provisions
Subpart B [§ 325.11 - § 325.13] - Administrative Provisions
Subpart C [§ 325.21 - § 325.27] - Instrumentation
Subpart D [§ 325.31 - § 325.39] - Measurement of Noise Emissions; Highway Operations
Subpart E [§ 325.51 - § 325.59] - Measurement of Noise Emissions; Stationary Test
Subpart F [§ 325.71 - § 325.79] - Correction Factors
Subpart G [§ 325.91 - § 325.93] - Exhaust Systems and Tires
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