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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.

Since 2016, we've worked to obtain justice for residents living under the flight path. Noise. Pollution. Health. Compensation..

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TagNEPA(39)

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  • 2026-03-02 11:39

    Procedure, Preemption, and Persistent Noise: Why Aviation Law Struggles to Address Community Harm

    Legal analysis examining how federal aviation law’s emphasis on procedure and preemption fails to adequately address community concerns about aircraft noise impacts. Discusses the limitations of DNL metrics, FAA’s Neighborhood Environmental Survey findings, and recent changes to environmental justice requirements.
    TagsANCA, FAA, NEPA, Steven Taber
  • 2026-01-08 13:55

    CEQ Scoping for Cumulative Effects

    This document outlines principles and steps for conducting cumulative effects analysis in environmental impact assessments. It covers identifying cumulative effects issues, establishing geographic and temporal boundaries, and determining which effects are important from a cumulative perspective. https://ceq.doe.gov/docs/ceq-publications/ccenepa/sec2.pdf
    TagsCEQ, Council on Environmental Quality, Environmental Impact Statement, NEPA
  • 2026-01-08 12:06

    Sustainable Aviation Fuel: Climate Promise, Legal Structure, and the Community Gap

    Legal analysis from Steve Taber @ Leech Tishman examining how Sustainable Aviation Fuel (SAF) addresses climate goals through federal tax incentives and production targets, while highlighting the gap between SAF’s global climate benefits and local community impacts like noise and air quality that remain unaddressed.
    TagsAirport Law, Aviation Fuel, greenwashing, Leech Tishman, NEPA, SAF
  • 2026-01-07 13:10

    Introduction to Cumulative Effects Analysis

    This document introduces the concept of cumulative environmental effects analysis under NEPA, explaining how multiple minor actions can combine to create significant environmental impacts. It defines cumulative effects as impacts resulting from incremental effects of actions combined with past, present, and future actions, and discusses the purpose and implementation of cumulative effects analysis by federal
    TagsAirport, CEQ, Environmental Impact Statement, NEPA
  • 2025-12-08 13:21

    NEPA SEPA Timeline Des Moines Airport Advisory Committee 08 Dec 2025 Agenda

    TagsDes Moines Aviation Advisory Committee, NEPA, SAMP, SAMP Four City ILA, SEPA
  • 2025-12-08 00:00

    Des Moines Airport Advisory Committee Meeting Agenda and Minutes

    Airport Advisory Committee meeting agenda for December 8, 2025, including items on SAMP updates, StART meeting updates, complaints/communications, and committee work plan. Responses on noise complaint from Laurel Hughes. Also includes minutes from the November 10, 2025 meeting with discussion of Q&A with Steve Edmiston and various airport-related updates.
    TagsAirport, City Of Des Moines, Des Moines, NEPA, SAMP, SEPA, StART
  • Airport Advisory Committee 08 Dec 2025 Agenda Pdf 1 Pdf
    2025-12-08 00:00

    Airport Advisory Committee Meeting Agenda and Minutes

    Airport Advisory Committee meeting agenda for December 8, 2025, including items on SAMP updates, StART meeting updates, complaints/communications, and committee workplan. Also includes minutes from the November 10, 2025 meeting with discussion of Q&A with Steve Edmiston and various airport-related updates.
    TagsAirport, Des Moines, NEPA, SAMP, SEPA, StART
  • 2025-10-24 14:42

    Permitting Reform in Action: CEQ Updates Roadmap for Agency NEPA Compliance

    Permitting Reform in Action CEQ Updates Roadmap for Agency Highlights The Council on Environmental Quality (CEQ) on Sept. 29, 2025, issued new, nonbinding guidance to assist federal agencies with implementation of the National Environmental Policy Act (NEPA), updating the prior memorandum that CEQ had issued in February 2025 in light of recent case law and
    CategoriesFrom The Web TagsCEQ, Holland & Knight, NEPA
  • 2025-10-23 01:15

    Ep #12 The Westside Hilltop Survival Committee

    The Airport Communities Podcast Last week we talked about how the SAMP EA can say that the air quality is within standards. There was this (brief) ‘golden age’ of NEPA where you could get pollutants reviewed and problems fixed. It made dramatic improvements to the environment and public health. This week, we start providing some
    CategoriesNews Stories TagsNEPA, The Airport Communities Podcast!
  • 2025-10-16 22:12

    Ep #11 No Data? No Problem.

    The Airport Communities Podcast Last week we answered a series of questions from the previous week.  (We get many of the same questions every week.) We had intended to talk about the Port of Seattle’s recent SAMP Webinar, but host JC came across the book Particles of Truth at a recent UWDEOHS seminar on community
    CategoriesNews Stories TagsNEPA, The Airport Communities Podcast!

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    Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
    1904 3rd Avenue, Suite 105, Seattle, WA 98101
    Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]

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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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This is the first study to combine a one-year mobile monitoring campaign with PMF (Positive Matrix Factorization) analysis to simultaneously estimate source-specific air pollution exposures and emission factors of different vehicle types. This methodology can be extended to other metropolitan areas.
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