Code of Federal Regulations > Title 10 > Chapter I > Part 51 - PART 51—ENVIRONMENTAL PROTECTION REGULATIONS FOR DOMESTIC LICENSING AND RELATED REGULATORY FUNCTIONS

Regulations last checked for updates: Apr 15, 2026

Title 10 - Energy last revised: Apr 13, 2026

§ 51.1 - Scope.

§ 51.2 - Subparts.

§ 51.3 - Resolution of conflict.

§ 51.4 - Definitions.

§ 51.5 - Interpretations.

§ 51.6 - Specific exemptions.

Subpart A [§ 51.10 - § 51.125] - Subpart A—National Environmental Policy Act—Regulations Implementing Section 102(2)

Subpart B - Subpart B [Reserved]

authority: Sections 51.20, 51.30, 51.60, 51.80, and 51.97 also issued under Nuclear Waste Policy Act secs. 135, 141, 148 (42 U.S.C. 10155,10161,10168

source: 49 FR 9381, Mar. 12, 1984, unless otherwise noted.