Appendix Q: List of Preparers — SEPA EIS and NEPA EA for the Sustainable Airport Master Plan Near-Term Projects

This appendix lists the individuals and organizations responsible for preparing the environmental review documents for Seattle-Tacoma International Airport's Sustainable Airport Master Plan Near-Term Projects. It includes two tables: one covering contributors to the State Environmental Policy Act (SEPA) Environmental Impact Statement, and one listing those who prepared the National Environmental Policy Act (NEPA) Environmental Assessment. Key contributors include staff from the Port of Seattle, consulting firms such as Parametrix, Landrum & Brown, CDM Smith, Concord Engineering, and RS&H, covering areas such as air quality, noise, climate change, safety, and biological resources.

Notes

Appendix Q of the Seattle-Tacoma International Airport SEPA Environmental Impact Statement (EIS) for the Sustainable Airport Master Plan (SAMP) Near-Term Projects, dated May 2026. Lists all individuals responsible for preparing the SEPA EIS (Table Q-1) and the NEPA Environmental Assessment (EA) (Table Q-2). SEPA EIS preparers include Port of Seattle staff (Sarah Cox, Steve Rybolt, Adele Pozzuto), Parametrix (Jenifer Young, Kathleen Stephanick, Mara Krinke), CDM Smith (Jeremy Gilbride, Gwen Pelletier, Lynn Woodbury, Mary Looney), RS&H (Courtney Gantt, Cassidy Nosenzo, John Lengel), and Concord Engineering (Zach Wieben, Masharul Kabir). NEPA EA preparers include FAA Environmental Protection Specialist Kandice Krull, Landrum & Brown (Sarah Potter, Erik Schwenke, Gabriela Elizondo, Jesse Baker), Concord Engineering, Confluence Environmental Company (Scott White, Eric Doyle, Calvin Douglas, Irene Sato), covering air quality, AEDT, AERMOD, noise, construction noise, surface transportation, ESA, climate change, environmental justice, and GHG analysis.

V V