NPS Director's Order 12: Conservation Planning, Environmental Impact Analysis and Decision Making
Table of Contents
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Introduction | Overview of the NEPA Process | Categorical Exclusions | Environmental Impact Statements | Environmental Assessments | Decision Documents | Programmatic Documents and Planning | NPS Review of Non-NPS Documents | Definitions and Acronyms | Appendix 1: Environmental Screening Form | Appendix 2: Categorical Exclusion Form | Contacts | Index
Arlington House, the Robert E. Lee Memorial, VA5.6 Environmental Assessments — Administrative Process of Review of EAs
Introduction | When to Prepare an EA | Length of an EA | Format and Content of an EA | Public Involvement | Administrative Process of Review of EAs

After you prepare and finalize an EA, and if the decision-maker selects an alternative with no potential for significant impacts, you must prepare a FONSI. The FONSI describes the selected alternative and states why it was selected and substantiates why it will have no significant impacts (see section 6.3).

A FONSI or notice of intent to prepare an EIS following the completion of an EA must be signed and dated. The signatory for either rests with the Regional Director. In addition, the Regional Director is responsible for deciding when an EA is adequate for public review. A park must obtain clearance from the Regional Director before it releases an EA for public review and begins the 30-day review period.

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