ABSTRACT
Indisputably, the single and most commonly cited provision of the National Environmental Policy Act (NEPA) involves the requirement to prepare a detailed statement:
Often referred to as the threshold question of significance, the importance of thoroughly understanding this requirement cannot be overstated as it determines whether an environmental assessment (EA) or an environmental impact statement (EIS) will be required for a particular action. Schedules, budgets, and the success of entire federal projects can rest on conclusions drawn from a review of this requirement.
