Subpart N - IDAHO
- Section 52.670 - Identification of plan
- Section 52.671 - Classification of regions
- Section 52.672 - Approval of plans
- Section 52.673 - Approval status
- Section 52.674 - Reserved
- Section 52.675 - Control strategy: Sulfur oxides-Eastern Idaho Intrastate Air Quality Control Region
- Section 52.676 - Reserved
- Section 52.677 - Original identification of plan section
- Section 52.678-52.680 - Reserved
- Section 52.681 - Permits to construct and tier II operating permits
- Section 52.682 - Reserved
- Section 52.683 - Significant deterioration of air quality
- Section 52.684-52.689 - Reserved
- Section 52.690 - Visibility protection
- Section 52.691 - Extensions