1. LawStack
  2. Title 49 - Transportation
  3. Subtitle B - OTHER REGULATIONS RELATING TO TRANSPORTATION
  4. Chapter III - FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
  5. Subchapter A - GENERAL REGULATIONS
  6. Part 325 - COMPLIANCE WITH INTERSTATE MOTOR CARRIER NOISE EMISSION STANDARDS
  7. Subpart C - Instrumentation
  8. 49 CFR § 325.21
49 CFR § 325.21
Scope of the rules in this subpart
November 18, 2020
CFR

The rules in this subpart specify criteria for sound level measurement systems which are used to make the sound level measurements specified in subpart D and subpart E of this part.

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§ 325.23 Type of measurement systems which may be used

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