10 CFR 51.21 : Energy (§ 1.1 To Parts 1801-1899) — (§ 51.1 To Parts 172-199) — Nuclear Regulatory Commission (Continued) (§ 51.1 To Parts 172-199) — Environmental Protection Regulations For Domestic Licensing And Related Regulatory Functions (§ 51.1 To Subpart B) — National Environmental Policy Act - Regulations Implementing Section 102(2) (§ 51.10 To Appendix B To Subpart A Of Part 51) — Classification Of Licensing And Regulatory Actions (§ 51.20 To § 51.23) — Criteria for and identification of licensing and regulatory actions requiring environmental assessments.

4 Aug 2016

All licensing and regulatory actions subject to this subpart require an environmental assessment except those identified in § 51.20(b) as requiring an environmental impact statement, those identified in § 51.22(c) as categorical exclusions, and those identified in § 51.22(d) as other actions not requiring environmental review. As provided in § 51.22(b), the Commission may, in special circumstances, prepare an environmental assessment on an action covered by a categorical exclusion.

10 CFR 51.21
[54 FR 27870, July 3, 1989]