§601.17. Supplemental Environmental Assessments.
1 C.F.R. § 601.17
The NCPC shall prepare a supplemental EA if five or more years have elapsed since adoption of the EA and:
There are substantial changes to the proposed action that are relevant to environmental concerns; or
There are significant new circumstances or information that are relevant to environmental concerns and have a bearing on the proposed action or its impacts.
The NCPC may supplement a Draft or Final EA at any time to further the purposes of NEPA.
The NCPC shall prepare, circulate, and file a supplement to a Draft or Final EA, and adopt a FONSI in accordance with the requirements of §§ 601.15 and 601.16. If NCPC is not the Lead Agency, it shall proceed as outlined in § 601.16(b) and (c).
Notes, amendments, and revision history
Authority
Authority: 42 U.S.C. 4371; 40 CFR 1507.3
Source
Source: 82 FR 45424, Sept. 29, 2017; 82 FR 48609, Oct. 19, 2017, unless otherwise noted.