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