TagACC(1534)

Memorandum dated May 5, 2001 from Dave Garland, Ecology NWRO Water Quality Nonpoint Unit, to Ray Hellwig and Ann Kenny, through Kevin Fitzpatrick, documenting an April 20, 2001 meeting with Pony Ellingson and Crispin Prahl of Pacific Groundwater Group (PGG) regarding the ‘slice model’ (PGG, June 2000) integration methods for estimating 3rd runway embankment drainage

This document is a Port of Seattle AirCraft Deicing Report covering the period April 1, 2000 through March 31, 2001, generated on May 2, 2001. It tracks deicing activity by date and airline carrier—including Alaska, American, Alaska Airlines, Delta, and others—recording the volumes of deicing fluid (BAC and GalGlycol) applied at Seattle-Tacoma International Airport. The multi-page report notes that airlines with no deicing activity are listed at the end of the report.

Draft memorandum dated April 25, 2001 from Katie L. Walter of Shannon & Wilson, Inc. to Ann Kenny and Erik Stockdale of Washington Department of Ecology, regarding outstanding issues for Port Of Seattle resolution on the Natural Resource Mitigation Plan for Sea-Tac Airport proposed Third Runway. Forwarded by Ann Kenny to Raymond Hellwig on May

Email dated 5/1/01 from Scott Bender to Katie Walter transmitting an attached memo describing Bender’s opinions about hydrologic impacts to Wetland 39. AR 034818, ECY00021952, Exhibit-2211. Document relates to Ecology environmental review processes involving wetland hydrology assessment.

Wetland photographs and maps prepared by Parametrix, Inc. for the Port Of Seattle, documenting wetlands and other Waters of the U.S. in the Miller Creek Basin near Seattle-Tacoma International Airport (STIA) as part of the Master Plan Update Improvements. AR 050379–050381. Includes photo point map showing delineated wetlands verified and not verified by ACOE (Army

Wetland photographs and maps prepared by Parametrix, Inc. for Port Of Seattle, May 2001, as part of the Master Plan Update Improvements for Seattle-Tacoma International Airport. Document AR031166 includes a Wetlands Atlas covering North and West Sides of Sea-Tac Airport, with 15 map sections showing surveyed wetland boundaries, estimated wetland boundaries, and other estimated or

Final draft meeting notes from a 401 Permit Decision-Making technical meeting on May 1, 2001, regarding Sea-Tac International Airport Third Runway, prepared by Rachel McCrea of Floyd & Snider Inc. Attendees included John Drabek and Ann Kenny (Dept. of Ecology), Keith Smith (Port Of Seattle), Kelly Whiting (King County), Paul Fendt and Tom Atkins (Parametrix),

In this April 2001 letter, Northwest Hydraulic Consultants raised technical concerns on behalf of the Airport Communities Coalition regarding a proposed NPDES permit modification for Seattle-Tacoma International Airport. The firm identified two key issues: a lack of clear, enforceable design criteria for stormwater overflows from the airport's integrated wastewater system (IWS), and an inconsistency between the permit's stormwater detention standards and the stricter standards sought under Section 401 Certification for the Third Runway and Master Plan Update projects. The consultants recommended that the permit be revised and republished for public comment to address these gaps and ensure consistent, enforceable stormwater management requirements.

Port of Seattle response to agency and public comments on Section 404 Clean Water Act permit application (JARPA, reference 1996-4-02325) for Master Plan Update improvements at Seattle-Tacoma International Airport. Covers U.S. Army Corps of Engineers public notice history (December 19, 1997; September 30, 1999; December 27, 2000), wetland fill acreages, Miller Creek channel relocation, Highline

Port Of Seattle response to agency and public comments on Section 404 Clean Water Act permit application (JARPA, permit 1996-4-02325) for Master Plan Update improvements at Seattle-Tacoma International Airport. Document AR050378 covers comments received following the December 27, 2000 second revised public notice issued by the U.S. Army Corps of Engineers. Responds to Tom Luster,