40 C.F.R. § 52.673
Approval status.
Cite as 40 C.F.R. § 52.673 (2026)
With the exceptions set forth in this subpart, the Administrator approves Idaho's plan for the attainment and maintenance of the national standards.
40 C.F.R. § 52.673
Cite as 40 C.F.R. § 52.673 (2026)