Regulations last checked for updates: May 14, 2024

Title 40 - Protection of Environment last revised: May 10, 2024
All TitlesTitle 40Chapter IPart 52Subpart JJ - Subpart JJ—North Dakota
View all text of Subpart JJ [§ 52.1820 - § 52.1837]
§ 52.1831 - Visibility protection.

A revision to the SIP was submitted by the Governor on April 18, 1989, for visibility general plan requirements and long-term strategies.

[54 FR 41098, Oct. 5, 1989]
authority: 42 U.S.C. 7401
cite as: 40 CFR 52.1831
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