This March 2024 technical report, prepared by Landrum & Brown for the Port of Seattle, assesses air quality and climate impacts associated with near-term construction and operational projects outlined in the Sustainable Airport Master Plan for Seattle-Tacoma International Airport. It analyzes emissions from sources including aircraft, ground support equipment, stationary and mobile sources, auxiliary power units, and construction activities. The report follows NEPA air quality and climate protocols to evaluate potential environmental effects of planned airport improvements.Open full document
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Air Quality and Climate Technical Report prepared by Landrum & Brown, Incorporated for Port Of Seattle, March 2024, as part of the Sustainable Airport Master Plan (SAMP) Near-Term Projects environmental review. Appendix C of the 2024 Draft EA, covering aircraft emissions, auxiliary power usage, ground support equipment, stationary sources, mobile sources, construction emissions, and greenhouse gases. Includes NEPA Air Quality Protocol and NEPA Climate Protocol. Filed during the October 21–December 13, 2024 Draft EA comment period for Sea-Tac Airport.