Appendix O: Agency & Public Engagement — Submitted Studies and Materials

The 1997 Sea-Tac International Airport Impact Mitigation Study is an initial assessment and recommendations report prepared for several cities near Seattle-Tacoma International Airport, including Burien, Des Moines, Federal Way, Normandy Park, and Tukwila, as well as the Highline School District and Highline Community Hospital. Funded by a State of Washington grant, the study was conducted by Hellmuth, Obata + Kassabaum, Inc. and Raytheon Infrastructure Services, Inc. to evaluate the airport's impacts on surrounding communities. The report was submitted as part of public engagement materials related to ongoing concerns about airport noise and air pollution affecting nearby residents and institutions.

Notes

Appendix O of the Sustainable Airport Master Plan (SAMP) agency and public engagement record. Lists submitted studies and materials from community stakeholders opposing airport expansion or siting, including: 1997 Sea-Tac International Airport Impact Mitigation Study, 2018 World Health Organization Noise Guidelines, Community Health and Airport Operations Related Noise and Air Pollution report (Washington State House Bill 1109), 2020 SeaTac Legislative Report (all submitted by Steve Edmiston, Woodmont Community); Bethel School District #403 Resolution 15 (22-23) opposing airport construction in the Bethel School District area; Pierce County Council Resolution No. R2023-12s objecting to greenfield airport siting in Pierce County and requesting CACC exclude Pierce County greenfield sites from final preferred location recommendation; and Defenders of Highline Forest Community Forest Consensus with public signers. Documents relate to noise, air pollution, health impacts, CACC siting process, and community opposition to new airport construction.

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