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Measurement of Noise Emissions; Highway Operations | Midpage
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Code of Federal Regulations
Title 49
Chapter III
Subchapter A
Part 325
Subpart D
Measurement of Noise Emissions; Highway Operations
325.31
Scope of the rules in this subpart.
325.33
Site characteristics; highway operations.
325.35
Ambient conditions; highway operations.
325.37
Location and operation of sound level measurement system; highway operations.
325.39
Measurement procedure; highway operations.