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United States Code
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Title 42 — The Public Health and Welfare
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Chapter 85 — Air Pollution Prevention and Control
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Subchapter I — Programs and Activities
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Part C — Prevention of Significant Deterioration of Air Quality
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Subpart i — clean air
Subpt. ii
visibility protection
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Subpart i — clean air
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§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
Subpt. ii
visibility protection
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