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Regulations last checked for updates: May 14, 2025
Title 40 - Protection of Environment last revised: Apr 14, 2028
All Titles
Title 40
Chapter I
Part 52
Subpart Q - Subpart Q—Iowa
§ 52.820 - Identification of plan.
§ 52.821 - Classification of regions.
§ 52.822 - Approval status.
§ 52.823 - PM10 State Implementation Plan Development in Group II Areas.
§ 52.824 - Original identification of plan section.
§ 52.825 - Compliance schedules.
§§ 52.826-52.827 - §[Reserved]
§ 52.828 - Enforcement.
§§ 52.829-52.832 - §[Reserved]
§ 52.833 - Significant deterioration of air quality.
§ 52.834 - Control strategy: Sulfur dioxide.
§ 52.840 - Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
§ 52.841 - Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?
§ 52.842 - Visibility protection.
authority:
42 U.S.C. 7401
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