January 3, 2002August 2, 2026

Exhibit 2054: Pre-Construction Hydrologic Monitoring Data, Master Plan Update Improvements, Seattle-Tacoma International Airport

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Transmittal form from Parametrix, Inc. (Jim Kelley) to Ann Kenny, Department of Ecology Northwest Regional Office, dated January 3, 2002, transmitting pre-construction hydrologic monitoring data for wetlands near the Third Runway embankment at Seattle-Tacoma International Airport. Required by conditions D1g, D5, and D6g of Water Quality Certification #1996-4-02325 (Amended-1), September 23, 2001. Project Number 556-2912-01-01-41D, STIA MPU Natural Resource Permitting. Prepared for Port of Seattle. AR 031474, Exhibit-2054.

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As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.

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