NASA Procedural Requirements

NPR 8580.1A Effective Date: August 01, 2012 Expiration Date: February 01, 2026

Subject: Implementing the National Environmental Policy Act and Executive Order 12114 (Revalidated with Change 1 on 9/6/2017)

Responsible Office: Office of Strategic Infrastructure

Appendix D. Flow Charts of the NEPA Process

Figure D-1 Summary of the NEPA Process

Figure D-2 Summary of the Process for Categorical Exclusion Determination

Figure D-3 Summary of Typical Environmental Assessment Process (Assumes EA Will Lead to FONSI)

Figure D-4 Summary of Environmental Impact Statement Preparation Process

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