Code of Federal Regulations > Title 40 > Chapter I > Part 52 > Subpart M - Subpart M—Hawaii

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 52.620 - Identification of plan.

§ 52.621 - Classification of regions.

§ 52.622 - Original identification of plan.

§ 52.623 - Approval status.

§ 52.624 - General requirements.

§ 52.625 - Legal authority.

§ 52.626 - Compliance schedules.

§§ 52.627-52.631 - §[Reserved]

§ 52.632 - Significant deterioration of air quality.

§ 52.633 - Visibility protection.

§ 52.634 - Particulate matter (PM-10) Group III SIP.