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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

TagThird Runway(1068)

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  • 2001-04-30

    EXH AR023204: Memo — Black River Quarry Aggregate Testing (TPH & Metals)

    A Port of Seattle memo from April 2001 summarizes environmental testing of rock aggregate imported from the Black River Quarry for use in the Third Runway embankment project. Testing by environmental consultant AMEC found petroleum hydrocarbons (TPH) and elevated copper levels in some samples, prompting operational changes at the quarry including equipment cleaning and discarding the first hundred tons of rock after asphalt recycling operations. Follow-up testing confirmed that contaminant levels fell below MTCA Method A cleanup standards, and the Port halted material imports from the quarry in mid-October 2000 pending resolution.
    TagsACC, Ecology, MTCA, Pollution Control Hearings Board, Port Of Seattle, Puget Sound, Third RunwayFolderBox 10
  • 2001-04-30

    EXH AR050083: Response to Comments — Master Plan Update Improvements at Seattle-Tacoma International Airport, Permit 1996-4-02325

    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
    CategoriesHistory TagsACC, Army Corp of Engineers, Clean Water Act, Environmental Impact Statement, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport Master Plan, Third RunwayFolderBox 21
  • 2001-04-25

    EXH AR029160: Final Draft Meeting Notes – Low Flow Analysis, Sea-Tac Airport Third Runway, April 25, 2001

    Final draft meeting notes from April 25, 2001 low flow analysis technical meeting for the Sea-Tac International Airport Third Runway 401 Permit Decision-Making process. Attendees included Ann Kenny (Dept. of Ecology), Kelly Whiting (King County), Keith Smith (Port of Seattle), Joe Brascher (AquaTerra), Peter Schwartzman (Pacific Groundwater Group), and Kate Snider (Floyd & Snider Inc.).
    TagsACC, CASE, Ecology, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water QualityFolderBox 11
  • 2001-04-24

    EXH AR023081: Memo for Record — Summary of Meeting, Requested Information Submittal

    This April 2001 memorandum summarizes a meeting between Corps of Engineers staff and Port of Seattle representatives (Elizabeth Leavitt and Jim Kelley) regarding the Port's submission of additional information related to the Third Runway project at Sea-Tac Airport. The parties discussed an approach to assessing cumulative environmental impacts, including the use of 1930s aerial photos and historical soil surveys to estimate wetland impacts from past airport construction. Several technical reports and construction drawings related to retaining wall designs along Miller Creek were also submitted for review.
    TagsACC, Army Corp of Engineers, Elizabeth Leavitt, Miller Creek, Pollution Control Hearings Board, Third RunwayFolderBox 10
  • 2001-04-24

    EXH AR028160: Memorandum for Record — Corps Review of Draft Response to Comments from Azous and Sheldon on Third Runway

    Memorandum for Record (MFR) dated 24 April 2001 from CENWS-OD-RG summarizing telephone conversations with Elizabeth Leavitt and Jim Kelley (Port of Seattle consultants) on 9-10 April 2001 regarding the Army Corps of Engineers’ review of the Port’s draft responses to letters from Azous and Sheldon concerning the Third Runway project at Sea-Tac Airport. Corps comments
    TagsACC, Army Corp of Engineers, Elizabeth Leavitt, Mechanically Stabilized Earth, Miller Creek, Pollution Control Hearings Board, Third RunwayFolderBox 10
  • 2001-04-23

    EXH AR029157: 401 Permit Decision-Making, Sea-Tac International Airport Third Runway — Technical Meeting Notes, April 23, 2001

    Final draft meeting notes prepared by Rachel McCrea of Floyd & Snider Inc. for a 401 Permit Decision-Making technical meeting held April 23, 2001, regarding Sea-Tac International Airport Third Runway. Attendees included representatives from Washington State Department of Ecology (John Drabek, Ann Kenny), Port of Seattle (Keith Smith), King County (Kelly Whiting), HNTB (Alan Black),
    TagsACC, Des Moines Creek, Ecology, King County, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 11
  • 2001-04-17

    EXH AR029155: 401 Permit Decision-Making, Sea-Tac Airport Third Runway — Management Meeting Final Draft Notes, April 17, 2001

    Final draft meeting notes from April 17, 2001 management meeting on 401 Permit Decision-Making for Sea-Tac International Airport Third Runway, prepared by Rachel McCrea of Floyd & Snider Inc. Attendees include Ray Hellwig, Ann Kenny, Kevin Fitzpatrick (Dept. of Ecology), David Masters (King County), Michael Cheyne, Elizabeth Leavitt, Keith Smith (Port Of Seattle), Kate Snider
    TagsACC, Ecology, King County, Pollution Control Hearings Board, Port Of Seattle, Stormwater, Third RunwayFolderBox 11
  • 2001-04-17

    Documents catalogued as published in 2001

    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.
    TagsACC, Army Corp of Engineers, Ecology, RCAA, Sea-Tac Airport, Third RunwayFolderRCAA
  • 2001-04-16

    EXH AR029152: 401 Permit Decision-Making, Sea-Tac Airport Third Runway — Technical Meeting Minutes, April 16, 2001

    Final draft meeting notes from April 16, 2001 technical meeting on 401 Permit Decision-Making for Sea-Tac 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), Alan Black (HNTB), Paul Fendt and Tom Atkins
    TagsACC, Des Moines Creek, Ecology, King County, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 11
  • 2001-04-11

    Summary of Correspondence and Documents Related to Agreed Order Materials, Department of Ecology and Port Of Seattle, 2001

    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.
    TagsEcology, Model Toxics Control Act, Port Of Seattle, Sea-Tac Airport, Third RunwayFolderThird Runway

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

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Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
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Read This!

As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.
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