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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.

TagPollution Control Hearings Board(1532)

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  • 2001-11-16

    Third Runway Embankment Seepage and Groundwater Monitoring Plan Submission Letter

    A letter from the Port of Seattle to the Washington Department of Ecology submitting the Third Runway Embankment Seepage and Groundwater Monitoring Plan in satisfaction of Water Quality Certification Order #1996-4-02325, Condition E.3. The plan is designed to detect impacts of the fill embankment to receiving water and groundwater during and after fill placement. The
    TagsACC, Pollution Control Hearings Board
  • 2001-11-16

    EXH AR006110: ACC’s Motion to Supplement the Record on Its Motion for Stay (PCHB No. 01-160)

    ACC (Airport Communities Coalition) motion filed with the Pollution Control Hearings Board (PCHB No. 01-160) seeking to supplement the evidentiary record on its motion for stay of the Section 401 Certification issued by Ecology on September 21, 2001, for the Third Runway Project at Sea-Tac Airport. Documents obtained via public records request to Ecology on
    TagsACC, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water Quality
  • 2001-11-16

    EXH AR006114: Declaration of Andrea Grad in Support of ACC’s Motion to Supplement the Record on Its Motion for Stay

    Declaration by Andrea Grad, paralegal at Helsell Fetterman LLP representing Airport Communities Coalition (ACC), filed November 16, 2001, in PCHB Case No. 01-160. Describes Public Disclosure Act request submitted November 5, 2001 to Ecology’s Northwest Regional Office (NWRO), resulting in receipt of 651 pages of documents. Attaches Exhibits A-D: (A) October 24, 2001 letter from
    TagsACC, Ecology, Pollution Control Hearings Board, Port Of Seattle, Third Runway
  • 2001-11-15

    ACC’s Updated Preliminary List of Witnesses

    The Airport Communities Coalition (ACC) submitted its updated preliminary list of witnesses to the Pollution Control Hearings Board for the State of Washington in cases PCHB No. 01-133 and 01-150. The list includes Department of Ecology personnel, Port of Seattle personnel, other persons such as consultants and county officials, and ACC expert witnesses from various
    TagsACC, Pollution Control Hearings Board
  • 2001-11-15

    EXH AR006137: ACC Updated Preliminary List of Exhibits, PCHB No. 01-160

    Airport Communities Coalition (ACC) updated preliminary list of exhibits filed with the Pollution Control Hearings Board (PCHB) in case No. 01-160, ACC v. State of Washington Department of Ecology and Port Of Seattle. Lists 29 exhibits including 401 Certifications, depositions, resumes and declarations of Amanda Azous and Dyanne Sheldon, letters from Northwest Hydraulic Consultants, Corps
    TagsACC, Ecology, PCHB, Pollution Control Hearings Board, Port Of Seattle
  • 2001-11-15

    EXH AR006154: ACC’s Updated Preliminary List of Witnesses — PCHB No. 01-133 and 01-150

    Airport Communities Coalition (ACC) updated preliminary witness list filed with the Pollution Control Hearings Board (PCHB) for Washington State, case numbers PCHB No. 01-133 and PCHB No. 01-150, against respondents Department of Ecology and Port Of Seattle. Filed November 15, 2001 by Helsell Fetterman LLP and Rachael Paschal Osborn. Lists Department of Ecology personnel including
    TagsACC, Ecology, PCHB, Pollution Control Hearings Board, Port Of Seattle
  • 2001-11-15

    EXH AR006159: Port Of Seattle’s Objections to Issues Proposed by ACC, PCHB Case No. 01-160

    Port Of Seattle’s objections filed November 15, 2001 to three issues proposed by Airport Communities Coalition (ACC) in Pollution Control Hearings Board (PCHB) Case No. 01-160, concerning §401 certification for the Third Runway project. Objects to ACC Proposed Issues 11, 18, and 19: Issue 11 concerns dam safety permit requirements under WAC 173-175 and reasonable
    TagsACC, PCHB, Pollution Control Hearings Board, Port Of Seattle, Third Runway, Water Quality
  • 2001-11-15

    EXH AR006162: Port Of Seattle Letter to PCHB on Plans and Reports Pursuant to §401 Certification, PCHB Case No. 01-160

    Letter from Foster Pepper & Shefelman (attorneys for Port Of Seattle) to Kaleen Cottingham, Presiding Officer, Pollution Control Hearings Board (PCHB Case No. 01-160), dated November 15, 2001, identifying plans and reports prepared or expected to be prepared pursuant to §401 Certification. Lists documents submitted on or before November 15, 2001 (Wetland A17 mitigation plan,
    TagsACC, Clean Water Act, Ecology, PCHB, Pollution Control Hearings Board, Port Of Seattle
  • 2001-11-15

    PCHB Doc AR006187: ACC v. Ecology and Port Of Seattle — Supplemental Stipulation Regarding Proposed Statement of Legal Issues

    Supplemental Stipulation filed in PCHB No. 01-160, Airport Communities Coalition (ACC) v. State of Washington Department of Ecology and Port Of Seattle. Filed November 15, 2001, received by the Pollution Control Hearings Board November 16, 2001. Documents 21 agreed proposed legal issues for the Board’s consideration, covering Clean Water Act Section 401 certification for the
    TagsACC, Clean Water Act, Pollution Control Hearings Board, Port Of Seattle, Third Runway
  • 2001-11-15

    Site features for Hydrus-slice modeling

    This document presents Figure 2-1 showing site features for Hydrus-slice modeling related to the SeaTac Third Runway embankment fill modeling project. The figure displays cross-sections for multiple slices, depth of fill contours, impervious areas, and the watershed divide between Miller Creek and Walker Creek. It includes a legend showing depth of fill ranges from 0-20
    TagsACC, Pollution Control Hearings Board

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    Museum of FlightSeattle, WA Saturday, August 15  •  7:30 AM – 10 AM Overview Join us for the KCIA 2026 FOD Walk—let’s keep the runway clean and have some fun together! Join Us for the KCIA 2026 FOD Walk! Get ready to step out and enjoy an awesome in-person event all about keeping our spaces

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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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