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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 230
Subpart C - Subpart C—Potential Impacts on Physical and Chemical Characteristics of the Aquatic Ecosystem
§ 230.20 - Substrate.
§ 230.21 - Suspended particulates/turbidity.
§ 230.22 - Water.
§ 230.23 - Current patterns and water circulation.
§ 230.24 - Normal water fluctuations.
§ 230.25 - Salinity gradients.
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