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EXH AR026603: Letter USFWS to James M. Lynch — Monitoring Plan Embankment Fill Seepage, Master Plan Update ESA Consultation (1-3-00-F-1420)

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Sea-Tac Airport
Third Runway
PCHB
Box 10

This December 2001 letter from the U.S. Fish and Wildlife Service's Western Washington office provides detailed comments on a Monitoring Plan for Embankment Fill Seepage related to a Sea-Tac Airport Master Plan Update, reviewed under the Endangered Species Act. The agency requested key revisions, including monitoring both seepage quality and quantity, beginning monitoring when seepage first occurs rather than after embankment completion, and ensuring groundwater wells are considered as a monitoring pathway. The letter also clarified that any exceedances of water quality criteria must be reported promptly, and that the Federal Aviation Administration—not the Port—would be responsible for reinitiating formal consultation.

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EXH AR026603. Letter dated December 20, 2001 from Ken S. Berg, Manager, Western Washington Fish and Wildlife Service (USFWS), to James M. Lynch, Esq., Stoel Rives LLP, providing comments on the Monitoring Plan for Embankment Fill Seepage submitted August 10, 2001 under Endangered Species Act (ESA) Consultation 1-3-00-F-1420, related to the Sea-Tac Airport Master Plan Update. The letter raises 20 numbered comments addressing seepage quality and quantity monitoring, groundwater well monitoring, Biological Opinion exceedance thresholds, sampling methods (including seeps with flow rates exceeding 0.5 liters per minute), analytical detection limits, reporting of exceedances, and the role of the Federal Aviation Administration (FAA) in reinitiating consultation. Copies sent to NMFS Lacey (S. Landino) and DOE Bellevue (A. Kelly). Filed in PCHB Third Runway EIS administrative record.

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