46 Environmental Impact Analysis
must not proceed as proposed because of one or more of the follow-
ing conditions:
– A national environmental standard violation or inconsistency is
substantive and/or will occur on a long-term basis or over a large
geographic area.
– In the case where no applicable standard exists, the severity,
duration, or geographical scope of the predicted impact warrants
special attention.
– The predicted adverse impacts are a signicant threat to national
environmental resources or contradictory to environmental policies.
EPA coordination of NEPA compliance, and particularly the draft EIS rating
system, has generally worked well in evaluating EISs but as discussed below
there is much room for improvement in