Notes
Template guide and sample comment letter for Des Moines, Washington residents submitting public comments on the Seattle-Tacoma International Airport Sustainable Airport Master Plan (SAMP) Draft Environmental Impact Statement (DEIS/EIS) during the May 22 – July 21, 2026 comment period, addressed to Steve Rybolt, Port Of Seattle AV Environment and Sustainability. Covers aircraft noise impacts including DNL 65 dBA contour expansion, supplemental noise metrics (Number-of-Events-Above, NA night), FAR Part 150 Noise Study, air quality increases, traffic/ground transportation impacts on majority-minority airport-adjacent communities, and socioeconomic/environmental justice concerns. References FAA Neighborhood Environmental Survey findings on community annoyance at DNL 55–65 dBA. Submission via samp@portseattle.org and sea-samp.com.