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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 51
Subpart M - Subpart M—Intergovernmental Consultation
AGENCY DESIGNATION
§ 51.240 - General plan requirements.
§ 51.241 - Nonattainment areas for carbon monoxide and ozone.
§ 51.242 - [Reserved]
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