TagSea-Tac Airport(2023)

Email dated October 18, 2000 from Tom Luster (Ecology) to Raymond Hellwig, Paula Ehlers, Kevin Fitzpatrick, and Joan Marchioro (ATG) regarding Sea-Tac Airport Section 401 water quality certification requirements. Luster notes his minority opinion on what the Port of Seattle and Ecology must do to meet 401 requirements, and provides drafty notes from a prior

STIA Construction Site Stormwater Monitoring reports dated 10/16/00 and 10/20/00, samplers JL/RS and JB/RS. Documents turbidity and pH measurements at multiple Sea-Tac Airport construction sites including Logistics Site Development (Tyee Pond, Des Moines Creek outfall), MWS Lagoon 3 Construction, Airfield Improvement (SDS3-594, SDS-6, SDS-7), Dobbs Flight Kitchen Remodel (SDE4-611, SDE4-607, SDE4-615, SDE4-601, SDE4-602), Booster Pump

This October 2000 internal memo from Roger Nye to TCP Section Head Steve Alexander explains the history of the Agreed Order between Washington State Ecology and the Port of Seattle regarding environmental cleanup at Sea-Tac Airport. It describes how the Port agreed to conduct a large-scale groundwater evaluation under an Agreed Order, with the understanding that a risk-based cleanup remedy scenario would be developed if contamination risk proved low. The memo also notes that the Agreed Order intentionally excluded language about remedial actions, with Ecology reserving the right to formally intervene if cleanup became necessary.

Memorandum dated October 13, 2000 from Michael Bailey P.E. and Michael Kenrick P.E. of Hart Crowser to Jim Thomson P.E. at HNTB (project J-4978-06), analyzing infiltration into the proposed Third Runway embankment at Sea-Tac Airport and effects on shallow water-bearing zone base flow to Miller Creek and adjacent wetlands. Analysis uses three sequential models —

Email chain AR 018494 in which Erik Stockdale (Washington State Department of Ecology, ESTO461@ECY.WA.GOV) sends internal memo to Gail Terzi and Jonathan Freedman (Army Corps of Engineers) outlining status of the natural resource mitigation plan and associated documents for Sea-Tac Airport expansion. Stockdale notes the Port of Seattle is objecting to Ecology’s choice of consultant

Agenda and presentation materials for the Seattle-Tacoma International Airport (STIA) Ground Water Study Ecology meeting held October 4, 2000, prepared by Associated Earth Sciences, Inc., S.S. Papadopulos and Associates, Inc., and EA Engineering, Science, and Technology for the Port Of Seattle. Topics include database development, conceptual ground water model, ground water level monitoring of the

Annual stormwater monitoring report prepared by Scott Tobiason, Environmental Management Specialist, Aviation Environmental Programs, Port Of Seattle, covering Sea-Tac Airport (STIA) for the period July 1, 1999 through June 30, 2000. Report covers STIA storm drainage subbasins, sampling locations, grab and composite sample results for total petroleum hydrocarbons (TPH), fecal coliforms, suspended solids, turbidity, biochemical

Annual Stormwater Monitoring Report for Seattle-Tacoma International Airport (STIA) covering the period July 1, 1999 through June 30, 2000, prepared by Scott Tobiason, Environmental Management Specialist, Aviation Environmental Programs, Port Of Seattle. Report AR 045668 documents stormwater sampling results from STIA storm drainage subbasins including total petroleum hydrocarbons (TPH), fecal coliforms, suspended solids, turbidity, biochemical

Email chain dated September 11, 2000 among Chung K. Yee, Kevin Fitzpatrick, Peter Kmet, Joan Marchioro (ATG), and Tom Luster regarding clean fill criteria language for the 401 Water Quality Certification on the Sea-Tac Third Runway. Key issues include arsenic limits (Pete Kmet argues 20 ppm is too high and should be set at Western

Draft memorandum J-4978-28 from Hart Crowser (Douglas Lindquist, Barry Chen PhD P.E., Michael Bailey P.E.) to Jim Thomson P.E. at HNTB, dated September 7, 2000, presenting methods and results of liquefaction analyses for the proposed Third Runway embankment and retaining walls at Sea-Tac, Washington. Analyzed 120 borings with Standard Penetration Test (SPT) results from 112