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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 - § 7509a] - nonattainment areas in general
Subpart 2 [§ 7511 - § 7511f] - additional provisions for ozone nonattainment areas
Subpart 3 [§ 7512 - § 7512a] - additional provisions for carbon monoxide nonattainment areas
Subpart 4 [§ 7513 - § 7513b] - additional provisions for particulate matter nonattainment areas
Subpart 5 [§ 7514 - § 7514a] - additional provisions for areas designated nonattainment for sulfur oxides, nitrogen dioxide, or lead
Subpart 6 [§ 7515 - § 7515] - savings provisions
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