uscode.io
U.S. Code Title 42
Chapter 85
Subchapter I
Part C
Subpart i
Night Mode
Subpart i: clean air
Section 7470: Congressional declaration of purpose
Section 7471: Plan requirements
Section 7472: Initial classifications
Section 7473: Increments and ceilings
Section 7474: Area redesignation
Section 7475: Preconstruction requirements
Section 7476: Other pollutants
Section 7477: Enforcement
Section 7478: Period before plan approval
Section 7479: Definitions