Draft NEPA Environmental Assessment (EA)
The draft EA presents the purpose and need for the Proposed Action, analysis of reasonable alternatives, including the No Action Alternative, discussion of environmental impacts, and supporting appendices. For ease of access, the draft EA document has been divided into the chapters and appendices listed below. It is recommended that the reader download each of these sections of the document to their computer rather than attempt opening the files directly from this website. If audio, visual, or language assistance are required with the draft EA please leave a message at 206-339-0213.
Main Body of Document
- Cover, Table of Contents, and Acronyms
- Chapter 1 – Purpose and Need (Describes the background for the project, as well as the purpose and needs for the project)
- Chapter 2 – Alternatives (Describes the process for identifying and evaluating alternatives for further consideration in the environmental review process)
- Chapter 3 – Affected Environment (Describes the baseline conditions for each of the environmental resource categories)
- Chapter 4 – Environmental Consequences (Describes the potential environmental effects, the significance of those effects, and proposed mitigation (where necessary), of the different alternatives for each environmental resource category)
- Chapter 5 – Cumulative Impacts (Describes the cumulative impacts of the project and other past, present, and reasonably foreseeable future actions)
- Chapter 6 – List of Preparers
- Chapter 7 – References
Appendices (Provide more detail on individual topics and the outreach that has been conducted to date)
- Appendix A – Forecast and Operational Assumptions
- Appendix B – Purpose & Need and Alternatives Supporting Information
- Appendix C – Air Quality & Climate
- Appendix D – Biological Resources
- Appendix E – Coastal Resources
- Appendix F – Hazardous Materials and Solid Waste
- Appendix G – Historic Resources
- Appendix H – Land Use
- Appendix I – Natural Resources & Energy Supply
- Appendix J – Noise and Noise-Compatible Land Use
- Appendix K – Socioeconomics, Environmental Justice, and Children’s Health
- Appendix L – Surface Transportation
- Appendix M – Water Resources
- Appendix N – Scoping
- Appendix O – Agency and Public Engagement
Additional Materials
English
- Frequently Asked Questions
- SAMP 30-Day Notice Fact Sheet
- Environmental Review and Airport Master Plan
- Community Process Fact Sheet
- SAMP Overview Video (coming soon)
Español (Spanish)
- Frequently Asked Questions
- SAMP 30-Day Notice Fact Sheet
- Environmental Review and Airport Master Plan
- Community Process Fact Sheet
- SAMP Overview Video (coming soon)
Tiếng Việt (Vietnamese)
- Frequently Asked Questions
- SAMP 30 Day Notice Fact Sheet
- Environmental Review and Airport Master Plan
- Community Process Fact Sheet
- SAMP Overview Video (coming soon)
中文 (Chinese, Simplified)
- Frequently Asked Questions
- SAMP 30-Day Notice Fact Sheet
- Environmental Review and Airport Master Plan
- Community Process Fact Sheet
- SAMP Overview Video (coming soon)
Soomaali (Somali)
- Frequently Asked Questions
- SAMP 30-Day Notice Fact Sheet
- Environmental Review and Airport Master Plan
- Community Process Fact Sheet
- SAMP Overview Video (coming soon)
አማርኛ (Amharic)
- Frequently Asked Questions
- SAMP 30-Day Notice Fact Sheet
- Environmental Review and Airport Master Plan
- Community Process Fact Sheet
- SAMP Overview Video (coming soon)
한국어 (Korean)
- Frequently Asked Questions
- SAMP 30-Day Notice Fact Sheet
- Environmental Review and Airport Master Plan
- Community Process Fact Sheet
- SAMP Overview Video (coming soon)