TagNEPA(463)

Email from Jim Kelley (Parametrix, Inc.) to Ann Kenny dated December 19, 2001, transmitting a matrix document summarizing changes made to the Port Of Seattle Natural Resources Mitigation Plan (NRMP) to comply with Water Quality Certification #1996-4-02325 (401 Certification) issued September 21, 2001. The attached matrix details resolutions for required mitigation conditions including: monitoring duration

Final Natural Resource Mitigation Plan (NRMP) prepared by Parametrix, Inc. for the Port Of Seattle, covering Master Plan Update Improvements at Seattle-Tacoma International Airport (Sea-Tac Airport). Document number 556-2912-001 (03), dated November 2001. Administrative Record document AR 029275–AR 029277.

Meeting notes from Erik Stockdale discuss wetland monitoring activities, including monthly groundwater sampling, continuous recorders at drainage channels, and vegetation mapping. Topics covered include hydrology monitoring changes, performance standards for hydrological discharge, and sampling schedules running bi-monthly from November through May. The notes reference coordination among multiple parties regarding soil sampling, data thresholds, and revised performance standards.

This 2001 Natural Resource Mitigation Plan document for Seattle-Tacoma International Airport outlines proposed environmental mitigation actions associated with construction of a new third runway and related facilities. It details a sequenced approach to avoiding, minimizing, and compensating for impacts to wetlands, Miller Creek, Des Moines Creek, and other natural resources. Key measures include constructing retaining walls to protect wetlands, restoring the Vacca Farm floodplain, establishing forested stream buffers, and providing a $300,000 trust fund for fisheries habitat enhancement.

Port of Seattle Addendum #4 (POS SEPA No. 01-16, August 10, 2001) to the Seattle-Tacoma International Airport Master Plan Final Environmental Impact Statement (FEIS) and Final Supplemental Environmental Impact Statement (FSEIS) issued May 13, 1997. Addresses project design changes to Borrow Source Areas 3 and 4 for third runway embankment fill material excavation, and incorporates

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

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,

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,

Email from Katie Walter (KLW@shanwil.com) to Ann Kenny (Ecology), forwarded to Erik Stockdale, dated August 6, 2001, marked ‘Do not Disclose Deliberative’ (AR 018322, DOE 8/13/01 0251). Discusses outstanding issues in a draft permit or approval for Port Of Seattle wetland mitigation, including mitigation ratios, construction oversight team, web site/CD-ROM for document availability, restrictive covenants

Email from Ann Kenny to Katie Walter (cc: Raymond Hellwig, Erik Stockdale) dated July 31, 2001, transmitting Attachment X: NRMP Plan Set Revisions (AR018266, DOE 8/13/01 0567). The attachment lists prescriptive revision requirements for plan sheets in Appendix A (Miller Creek Relocation and Floodplain Enhancement) and Appendix B (Miller Creek In-stream and Buffer Enhancements), including