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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.

TagSunset Park(38)

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  • Dell laptop running particle size analyzer software with Magee Scientific instrument

    A Dell laptop displays what appears to be a Scanning Mobility Particle Sizer (SMPS) or similar aerosol particle size distribution software showing a histogram of particle diameters in nanometers, alongside a terminal window. A Magee Scientific instrument (visible logo on rack below) is present, consistent with black carbon or aerosol monitoring equipment used in air quality measurement deployments.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • TSI Versatile Water-based Condensation Particle Counter and Classifier at outdoor monitoring site

    A TSI Versatile Water-based Condensation Particle Counter (Model 3789, per visible label) is stacked above a TSI Classifier unit, both displaying active touchscreen readouts. The instruments are connected via tubing and cables and appear to be deployed at an outdoor air quality or ultrafine particle monitoring station, consistent with near-airport aerosol measurement campaigns.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • TSI Condensation Particle Counter and Classifier instrument stack

    A TSI-brand 'Versatile Water-based Condensation Particle Counter' (upper unit) is stacked atop a TSI Classifier (lower unit with blue touchscreen display), connected by tubing and cables. The instrument stack, used for aerosol/ultrafine particle measurement, is mounted against a stucco wall at an outdoor field site alongside green sampling tubing and a cylindrical inlet assembly.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • TSI SMPS System with Water-based CPC Model 3789 and Electrostatic Classifier

    A TSI Scanning Mobility Particle Sizer (SMPS) system is shown outdoors, consisting of a TSI Versatile Water-based Condensation Particle Counter (Model 3789) stacked above a TSI Electrostatic Classifier. The classifier display screen shows operational parameters including sheath flow, particle diameter, and DMA voltage, with the system appearing to be deployed for ambient aerosol particle size distribution measurements.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Outdoor air quality or environmental monitoring instrumentation

    The image shows scientific monitoring equipment installed outdoors against a stucco wall, including what appears to be a cylindrical pump or sensor unit, a white electronics enclosure, tubing, filter canisters, and a vertical inlet probe — consistent with an ambient air sampling or noise/environmental monitoring station. No visible text, logos, or labels are legible enough to identify the specific manufacturer, agency, or measurement purpose.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Portable sound level meter or acoustic measurement instrument with Dell laptop

    A scientific instrument with a cylindrical silver sensor column — consistent with a sound level meter or acoustic analyzer — is shown connected to a Dell laptop displaying measurement software. A label on the instrument is partially visible but not fully legible; the setup appears configured for environmental noise data collection.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Gas cylinder with dual-gauge regulator and CST/Berger survey rod

    A small compressed gas cylinder fitted with a dual-gauge pressure regulator and yellow tubing is visible, along with a CST/Berger brand surveying grade rod (website www.cstsurvey.com visible). The items appear to be stored on the floor of a vehicle or portable workspace.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Noise monitoring station equipment installation on stucco wall

    Wall-mounted technical equipment including conduit runs, a junction box, a wire mesh-covered heater or filter unit, an air flowmeter (graduated scale visible, labeled 'l/min AIR'), yellow fiber optic or signal cable, a network switch with active indicator lights, and a watermark reading 'www.cstsurvey.com' on a conduit. Configuration is consistent with an environmental or acoustic monitoring station installation.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Data acquisition and wireless communication equipment installation

    A wall-mounted equipment setup featuring an Advantech ADAM data acquisition module, a wireless router/gateway device with dual antennas (labeled with what appears to be 'ROC' or similar text), and various coiled sensor cables. A small shelf holds additional networking hardware and a roll of paper towel, with multiple cable runs along a PVC conduit on a textured wall.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Air Quality Monitoring Station with Sampling Inlets

    White instrumentation enclosures (one bearing a 'Manti-lab' or similar brand oval label) topped with mushroom-cap ambient air sampling inlets and a meteorological sensor assembly, photographed against a partly cloudy sky. A tall antenna mast and additional monitoring equipment are visible in the background near a metal utility building.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park

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  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
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    START meetingagenda 2026826 final 0 pdf

    Meeting Objectives Introduce the primary feedback themes identified by StART members regarding StART’s Operating Procedures and determine areas that may warrant future discussion. 5:00 PM – Welcome Meeting Management Welcome Lead: Andrés Mantilla, Facilitator, Uncommon Bridges; Wendy Reiter, Airport Managing Director, POS 5:15 PM – Dinner: All participants eat. 5:30 PM – StART Operating Procedures

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  • Commercial Aviation Work Group
    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
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    Cawg agenda sep 3 26 virtual pdf

    Meeting Agenda 10:00 a.m. – 10:15 a.m. | Welcome – Evan Nordby, Chair a. Introductions and Agenda Reviewb. Status of appointments and non-voting member invitationsc. Other updates as necessary 10:15 a.m. – 11:00 a.m. | Is it practical and legal to operate the western Washington [Puget Sound] airports as a single airport system? – Consultant

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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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