U.S. Code of Federal Regulations

Regulations most recently checked for updates: Feb 11, 2026

All TitlesTitle 40Chapter IPart 52Subpart Y - Subpart Y—Minnesota
§ 52.1219 - Identification of plan—conditional approval.
§ 52.1220 - Identification of plan.
§ 52.1221 - Classification of regions.
§ 52.1222 - Original Identification of plan section.
§ 52.1223 - Approval status.
§ 52.1224 - General requirements.
§ 52.1225 - Review of new sources and modifications.
§§ 52.1226-52.1229 - §[Reserved]
§ 52.1230 - Control strategy and rules: Particulates.
§§ 52.1231-52.1232 - §[Reserved]
§ 52.1233 - Operating permits.
§ 52.1234 - Significant deterioration of air quality.
§ 52.1235 - Regional haze.
§ 52.1236 - Visibility protection.
§ 52.1237 - Control strategy: Carbon monoxide.
§ 52.1238 - Control strategy: Lead (Pb).
§ 52.1240 - Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
§ 52.1241 - Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?
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