49 CFR Part 325 - PART 325—COMPLIANCE WITH INTERSTATE MOTOR CARRIER NOISE EMISSION STANDARDS
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- Subpart A—General Provisions (§§ 325.1 - 325.9)
- Subpart B—Administrative Provisions (§§ 325.11 - 325.13)
- Subpart C—Instrumentation (§§ 325.21 - 325.27)
- Subpart D—Measurement of Noise Emissions; Highway Operations (§§ 325.31 - 325.39)
- Subpart E—Measurement of Noise Emissions; Stationary Test (§§ 325.51 - 325.59)
- Subpart F—Correction Factors (§§ 325.71 - 325.79)
- Subpart G—Exhaust Systems and Tires (§§ 325.91 - 325.93)
Authority:
Source:
40 FR 42437, Sept. 12, 1975, unless otherwise noted.
Editorial Note:
Nomenclature changes to part 325 appear at 66 FR 49869, Oct. 1, 2001.