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clean air | Midpage
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United States Code
Title 42
Chapter 85
Subchapter I
Part C
Subpart i
clean air
7470
Congressional declaration of purpose
7471
Plan requirements
7472
Initial classifications
7473
Increments and ceilings
7474
Area redesignation
7475
Preconstruction requirements
7476
Other pollutants
7477
Enforcement
7478
Period before plan approval
7479
Definitions