40 CFR § 52.1822
Approval status
June 9, 2020
With the exceptions set forth in this subpart, the Administrator approves the North Dakota plan for the attainment and maintenance of the national standards.
[39 FR 7283, Feb. 25, 1974]
With the exceptions set forth in this subpart, the Administrator approves the North Dakota plan for the attainment and maintenance of the national standards.
[39 FR 7283, Feb. 25, 1974]