§ 601.17 - Supplemental Environmental Assessments.

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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).