TagSea-Tac Airport(1835)

Draft memorandum dated May 14, 2001, from Douglas Lindquist (E.I.T.) and Michael Bailey (P.E.) of Hart Crowser, Inc. to Pete Douglass (P.E.) and Embankment Technical Review Board (ETRB), CC Jim Thomson (P.E.) HNTB, project 4978-30. Describes proposed liquefaction potential evaluation procedure for areas beneath walls and slopes of the Third Runway embankment at Sea-Tac Airport.

An aerial photograph of Seattle-Tacoma International Airport (Sea-Tac) and its surrounding neighborhoods, taken on May 6, 2001, by Walker and Associates Photogrammetric and GIS Services of Seattle, WA. The image, printed at an approximate scale of 1 inch equals 1,700 feet, shows the airport's runways, taxiways, terminals, and the densely developed residential and commercial areas nearby. It is identified under negative number 1245 SEATAC PP-3 and work order number 26599, and is copyrighted 2001.

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

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 ‘slice model integration’ for the proposed 3rd runway embankment at Sea-Tac Airport. Discusses Hydrus

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.

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

This is a catalogued index of documents from 2001 related to the proposed Third Runway at Seattle-Tacoma International Airport, covering regulatory filings, public comments, and environmental studies. It includes records from agencies such as the Department of Ecology, the Corps of Engineers, and King County, addressing topics like stormwater management, NPDES permits, groundwater studies, and the impact of the February 2001 Nisqually Earthquake on airport structures. The catalog serves as a reference guide directing researchers to archival notebooks and specific shelf locations where the full documents are stored.

This document summarizes correspondence and records related to environmental cleanup efforts at Seattle-Tacoma International Airport, covering the period from 1997 to 2001. It details how Governor Locke conditioned his 1997 certification for the airport's third runway expansion on the Port of Seattle completing a study of decades-worth of hazardous waste contamination in the soil and groundwater at the site. The records also trace the lengthy negotiations between the Port and the Washington State Department of Ecology to establish an Agreed Order under the Model Toxics Control Act, which was ultimately signed in May 1999.

Port of Seattle Final SEPA Determination of Non-Significance (DNS), POS SEPA No. 01-08, dated March 30, 2001, for the Alaska Airlines Maintenance Facility Expansion at Seattle-Tacoma Airport, north of South 188th Street and west of 28th Avenue South. The proposed project expands and remodels existing Alaska Airlines maintenance facilities including offices, repair shops, parts storage,