SUBPART N—Idaho (§52.670 to §52.691)
- 52.670—Identification of plan.
- 52.671—Classification of regions.
- 52.672—Approval of plans.
- 52.673—Approval status.
- 52.675—Control strategy: Sulfur oxides—Eastern Idaho Intrastate Air Quality Control Region.
- 52.677—Original identification of plan section.
- 52.681—Permits to construct and tier II operating permits.
- 52.683—Significant deterioration of air quality.
- 52.690—Visibility protection.
- 52.691—Extensions.