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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 E - Subpart E—Arkansas
§ 52.170 - Identification of plan.
§ 52.171 - Classification of regions.
§ 52.172 - Approval status.
§ 52.173 - Visibility protection.
§ 52.174 - Control strategy and regulations: Ozone.
§§ 52.175-52.180 - §[Reserved]
§ 52.181 - Significant deterioration of air quality.
§ 52.183 - Small business assistance program.
§ 52.184 - Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
§ 52.200 - Original identification of plan section.
authority:
42 U.S.C. 7401
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