October 23, 2001August 2, 2026

Exhibit 2058: Port Of Seattle Email on Processed Materials and 401 Fill Criteria for Third Runway Embankment

Notes

Email chain dated October 23, 2001 from Elizabeth Leavitt (Port Of Seattle) to Ann Kenny and Raymond Hellwig, forwarding a message from Beth Clark, discussing which fill materials are subject to Condition E of the 401 water quality certification for the Third Runway Embankment. Port Of Seattle proposes that topsoil, utility backfill, and base course not be subject to fill criteria, while general embankment material would be subject to testing. Clark notes utility backfill discussions will not negate BMP requirements for utility corridors under Condition F.1. Attachments referenced include TopSoilSpecifications.doc, BaseCourseSpecifications.doc, SpecificationsUtilities.doc, and GeneralEmbankmentSpecifications.doc. Exhibit 2058, AR 031696–031698.

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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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