TagPollution Control Hearings Board(1532)

Northwest Hydraulic Consultants, retained by the Airport Communities Coalition, provides follow-up comments to the U.S. Army Corps of Engineers and Washington State Department of Ecology on stormwater, hydrology, and hydraulics aspects of the proposed third runway at Sea-Tac Airport. The letter responds to the Port of Seattle’s April 30, 2001 responses to earlier NHC comments

Final meeting notes prepared by Kate Snider of Floyd & Snider Inc. for the 401 Permit Decision-Making process for the Sea-Tac International Airport Third Runway project, covering Low Flow Analysis discussions held June 25, 2001. Attendees included representatives from Washington State Department of Ecology (Ann Kenny, John Drabeck), King County (Kelly Whiting), Port of Seattle

Final meeting notes from a June 25, 2001 session on low flow analysis for the Sea-Tac International Airport Third Runway 401 Permit Decision-Making process. The meeting covered methodology for evaluating modeling results to determine stream flow impacts and mitigation requirements, vault filling estimates, slice model status, and non-hydrologic effects. Modeling results were not yet available

Memorandum from Ching-Pi Wang to Ann Kenny (cc: Ray Hellwig, Roger Nye, John Wietfeld, Steve Alexander) dated June 22, 2001, outlining Toxics Cleanup Program (TCP) recommendations for 401 certification related to the Port Of Seattle Third Runway project. Three recommendations: (1) Port Of Seattle to develop a plan by September 14, 2001 to monitor contaminant

Memo dated June 22, 2001 from Ching-Pi Wang (Toxics Cleanup Program, TCP) to Ann Kenny regarding TCP recommendations for 401 certification related to the proposed Third Runway at Seattle-Tacoma International Airport (STIA). Three recommendations: (1) Port of Seattle to develop a plan by September 14, 2001 to monitor contaminant transport to soil and groundwater via

GeoSyntec Consultants, retained by the Airport Communities Coalition, responds to the Port of Seattle’s April 30, 2001 comments regarding their earlier technical review of the Third Runway Expansion Project at Seattle-Tacoma International Airport. The letter addresses concerns about the West Mechanically Stabilized Earth (MSE) Wall, including insufficient laboratory strength testing, potential underestimation of liquefiable materials,

Record of telecon dated 6-21-01, call from Ann Kenny. Notes that Port has agreed to pay for new scope and minor plan sheet changes. Jim to be given confirmation in writing. July 9th Low Flow meeting scheduled. Parametrix involvement noted — panel 6 may be larger with potential impact. Meeting with Corps to be set

Letter dated June 21, 2001 from Jeannie Summerhays (Washington Department of Ecology, Northwest Regional Office) and Elizabeth Leavitt (Port Of Seattle, Aviation Environmental Programs, Seattle-Tacoma International Airport) to Tom Mueller, Chief, Department of the Army Corps of Engineers, Seattle District, Regulatory Branch. Pursuant to 15 CFR § 930.60, Ecology and the Port Of Seattle mutually

A letter from John A. Strand, Ph.D. of Columbia Biological Assessments to the U.S. Army Corps of Engineers and Washington State Department of Ecology, rebutting the Port of Seattle’s responses to comments on the proposed Master Plan Update Improvements at Seattle-Tacoma International Airport. The rebuttal focuses on the Miller Creek Relocation Project, arguing that the

A letter from John A. Strand, Ph.D. of Columbia Biological Assessments to the U.S. Army Corps of Engineers and Washington State Department of Ecology, rebutting the Port of Seattle’s responses to 401/404 permit comments regarding the Master Plan Update Improvements at Seattle-Tacoma International Airport. The rebuttal focuses on the Miller Creek Relocation Project, arguing that