Subpart M—Hawaii
- §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.