TagPollution Control Hearings Board(1532)

FAA Northwest Mountain Region Record of Decision (ROD) dated August 8, 2001, determining that no supplemental EIS is required for Port of Seattle Master Plan Update (MPU) development actions at Seattle-Tacoma International Airport, including the Third Runway project. Relies on 1996 Final EIS and 1997 Supplemental EIS (FSEIS). Two environmental reevaluations (Appendix A and Appendix

Pacific Groundwater Group (Seattle, WA, project JE0105) prepared this embankment fill modeling report for Port Of Seattle regarding the Sea-Tac Airport Third Runway construction, dated August 8, 2001. The report addresses groundwater and fill modeling associated with the Third Runway embankment fill at Sea-Tac Airport. Document marked ‘Superceded’ and received by Foster Pepper & Shefelman

Memorandum dated August 7, 2001 from Dave Garland, NWRO Water Quality Watershed Unit Supervisor, to Ann Kenny, Kevin Fitzpatrick, and Ray Hellwig of the Washington State Department of Ecology Northwest Regional Office. Reviews the Parametrix Inc. July 2001 report ‘Low Flow Analysis, Flow Impact Offset Facility Proposal’ prepared for Port Of Seattle regarding predicted impacts

Department of Ecology memorandum dated August 7, 2001, from Director Tom Fitzsimmons to Governor Gary Locke, briefing on Ecology’s decision to approve with conditions a 401 Water Quality Certification to Port Of Seattle for construction of a third runway at Seattle-Tacoma International Airport (Sea-Tac Airport). Covers project impacts including 18.37 acres of wetlands, 980 linear

Memorandum dated August 7, 2001 from Dave Garland, NWRO Water Quality Watershed Unit Supervisor, Washington State Department of Ecology, to Ann Kenny, Kevin Fitzpatrick, and Ray Hellwig, reviewing Parametrix Inc.’s July 2001 “Low Flow Analysis, Flow Impact Offset Facility Proposal” prepared for the Port Of Seattle regarding the proposed third runway at Sea-Tac Airport. Reviews

Memorandum dated August 7, 2001, from Katie Walter (Shannon & Wilson, Inc.) to Ann Kenny (Washington State Department of Ecology) regarding draft 401 conditions for the Port Of Seattle Natural Resource Mitigation Plan (NRMP), marked Deliberative — Do Not Disclose. Covers Auburn mitigation site culvert placement issues from the June 28, 2001 revised grading plan,

Memorandum dated August 7, 2001, from Katie Walter (Shannon & Wilson, Inc.) to Ann Kenny (Washington State Department of Ecology), marked ‘Deliberative – Do Not Disclose,’ regarding draft 401 conditions for the Port Of Seattle Natural Resources Mitigation Plan (NRMP), Auburn Mitigation Site. Document addresses culvert placement issues in the revised grading plan (June 28,

Draft memorandum dated 8/6/01 from Ray Hellwig, Director, Washington State Department of Ecology, to Tom Fitzsimmons, Director, recommending approval of a 401 Water Quality Certification for the Port Of Seattle’s Sea-Tac International Airport Third Runway project. Document covers 8,500-foot parallel third runway, Runway Safety Areas (RSAs), South Aviation Support Area (SASA), impacts to approximately 700

GeoSyntec Consultants submitted this technical review letter on behalf of the Airport Communities Coalition to the U.S. Army Corps of Engineers and Washington State Department of Ecology, commenting on geotechnical analyses for the Third Runway expansion at Sea-Tac Airport. The letter identifies critical concerns including underestimated seismic risk, incorrectly performed seismic stability analyses, improper representation

Northwest Hydraulic Consultants, retained by the Airport Communities Coalition (ACC), submits technical comments to the Washington State Department of Ecology on the Port of Seattle’s July 23, 2001 Low Flow Analysis Flow Offset Facility Proposal related to the proposed 3rd runway development at Sea-Tac Airport. The letter identifies the document as an incomplete draft with