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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.

TagACC(1531)

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  • 2002-01-22

    EXH AR019668: Memo Clark to Agid – Summit Ridge Fill Source & Petroleum-Impacted Soil, Third Runway Embankment

    This January 2002 memo from the Port of Seattle describes an environmental incident in which soil from the Summit Ridge fill site in Bellevue, Washington—potentially contaminated with petroleum hydrocarbons from a former home heating oil tank—was temporarily placed in the Third Runway embankment during construction. Upon discovery of the contamination in October 2000, the Port halted all haul from the site and removed approximately 1,540 tons of soil, disposing of it at a facility in Everett. The Port subsequently implemented additional environmental safeguards, including full-time on-site supervision, to prevent further transport of impacted soil to the Third Runway.
    TagsACC, Ecology, Fill Dirt, Pollution Control Hearings Board, Port Of Seattle, soil, Third RunwayFolderBox 09
  • 2002-01-22

    EXH 292: Memo — Black River Quarry Fill Material Testing TPH Metals Third Runway Embankment

    This memo from Port of Seattle environmental staff describes chemical testing of rock aggregate imported from Black River Quarry for use in the Third Runway embankment at Sea-Tac Airport. Testing revealed petroleum hydrocarbons (TPH) and elevated copper levels in some samples, traced to contamination from on-site asphalt recycling operations. As a result, the Port restricted material acceptance to newly blasted rock only and halted imports from the quarry in mid-October 2000 pending operational changes and additional testing.
    TagsACC, Ecology, Fill Dirt, MTCA, Pollution Control Hearings Board, Port Of Seattle, Third RunwayFolderBox 09
  • 2002-01-21

    EXH AR031548: Wetlands on STIA North End Properties — Supplemental Information Regarding Wetlands (Parametrix Technical Memorandum)

    Parametrix, Inc. technical memorandum dated January 21, 2002, from Jim Kelley, Ph.D., to Muffy Walker, US Army Corps of Engineers Regulatory Branch, regarding Port Of Seattle permit 1996-4-02325 (Sea-Tac Airport Master Plan Update). Provides supplemental information on wetland impacts in upper watersheds of Miller Creek, Walker Creek, and Des Moines Creek, including percent loss of
    TagsACC, Army Corp of Engineers, Environmental Impact Statement, Miller Creek, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport Master PlanFolderBox 12
  • 2002-01-19

    EXH 389: Declaration Amanda Azous Supporting ACC Reply Motion for Stay

    A wetlands scientist named Amanda Azous filed a legal declaration opposing the Port of Seattle's airport expansion project, arguing that filling approximately 2.8 acres of wetlands near Miller Creek would cause serious and irreversible environmental harm. She contends that the Port's mitigation plan—relying on stormwater management, embankment walls, and upland planting—cannot adequately replace the lost wetland functions, particularly the critical water and nutrient flows these wetlands provide to the broader Miller Creek watershed. The declaration was submitted in support of the Airport Communities Coalition's motion to halt the project before the Washington Pollution Control Hearings Board in 2001.
    TagsACC, Miller Creek, PCHB, Pollution Control Hearings Board, Third RunwayFolderBox 09
  • 2002-01-18

    EXH AR028522: Summary Statement for Deposition Publication — Thomas Fitzsimmons, Director, Ecology, PCHB No. 01-160

    Summary statement for deposition publication submitted by ACC and CASE in ACC & CASE v. Dept. of Ecology & Port of Seattle, PCHB No. 01-160, pursuant to Order Granting Appellant’s Motion to Publish Depositions dated March 19, 2002. Deponent is Thomas Fitzsimmons, Director, Department of Ecology, deposed January 18, 2002. Testimony offered per CR 32(a)(2)
    TagsACC, CASE, Ecology, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 11
  • 2002-01-18

    EXH AR013806: ACC v. DOE et al. — Table of Cases Cited in Discovery Motions and Responses

    Airport Communities Coalition (ACC) v. Department of Ecology et al., PCHB No. 01-160. Table of 17 cases cited in discovery motions and responses, received by the Environmental Hearings Office on January 18, 2002. Cases include: American Medical Systems v. National Union Fire Insurance (E.D. La. 1999), Belcher v. Bassett Furniture Industries (4th Cir. 1978), Boring
    TagsACC, Airport Communities Coalition, Caselaw, Ecology, PCHB, Pollution Control Hearings BoardFolderBox 07
  • 2002-01-18

    EXH AR004748: Port Of Seattle’s Reply Memorandum on Motion to Compel Depositions and for Limitation on Entry onto Land — PCHB No. 01-160

    Port Of Seattle’s reply memorandum filed January 18, 2002 in PCHB No. 01-160 (Airport Communities Coalition v. State of Washington Department of Ecology and Port Of Seattle) supporting its motion to compel ACC depositions and impose limitations on site visit entry onto land. Port argues ACC has produced zero documents, unilaterally refused to make any
    TagsACC, Ecology, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 03
  • 2002-01-18

    EXH AR004752: ACC’s Reply on Motion to Compel Inspection of Port Property

    Reply brief filed January 18, 2002 by Airport Communities Coalition (ACC) in PCHB No. 01-160 (ACC v. Department of Ecology et al.) before the Pollution Control Hearings Board, State of Washington. ACC argues in support of its motion to compel inspection of Port Of Seattle property under CR 34, seeking access to inspect, test, and
    TagsACC, Ecology, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 03
  • 2002-01-18

    EXH AR004755: ACC’s Reply on Motion to Extend Discovery Schedule, PCHB No. 01-160

    Airport Communities Coalition (ACC) reply brief filed January 18, 2002, in PCHB No. 01-160 before the Washington Pollution Control Hearings Board, opposing Port of Seattle’s resistance to extending the February 1, 2002 discovery deadline. ACC argues Port of Seattle refused site visit access until January 16, 2002, withheld expert data and reports, and failed to
    TagsACC, Airport Communities Coalition, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 03
  • 2002-01-18

    EXH AR004759: Ecology’s Response to ACC’s Motion to Extend the Discovery Schedule

    Response filed January 18, 2002 by the State of Washington Department of Ecology (represented by Attorney General Christine O. Gregoire, Thomas J. Young, Jeff Kray, and Joan M. Marchioro) opposing ACC’s motion in PCHB No. 01-160. Ecology agrees to extend discovery cutoff to February 15, 2002 (not February 25 as ACC requested), but opposes extending
    TagsACC, Ecology, PCHB, Pollution Control Hearings Board, Port Of SeattleFolderBox 03

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