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U.S Code last checked for updates: May 14, 2025
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Title 42
Chapter 85
Subchapter I
Part D
Subpart 1
§ 7501. Definitions
§ 7502. Nonattainment plan provisions in general
§ 7503. Permit requirements
§ 7504. Planning procedures
§ 7505. Environmental Protection Agency grants
§ 7505a. Maintenance plans
§ 7506. Limitations on certain Federal assistance
§ 7506a. Interstate transport commissions
§ 7507. New motor vehicle emission standards in nonattainment areas
§ 7508. Guidance documents
§ 7509. Sanctions and consequences of failure to attain
§ 7509a. International border areas
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