U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 16, 2025

All TitlesTitle 49Chapter IIIPart 325Subpart F - Subpart F—Correction Factors
§ 325.71 - Scope of the rules in this subpart.
§ 325.73 - Microphone distance correction factors. 1
§ 325.75 - Ground surface correction factors. 1
§ 325.77 - Computation of open site requirements—nonstandard sites.
§ 325.79 - Application of correction factors.
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