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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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  • 1984-05-09

    Asbestos Research – Sunset Jr. High School

    ★
    Internal memo from Highline Public Schools documenting the history of asbestos identification at the former Sunset Jr. High School, including friable ceiling materials in classrooms and shop buildings. The document outlines the chronology from 1973-1979 showing that while friable materials were identified, no samples were tested for asbestos content before the school was transferred to
    CategoriesHistory, Key Documents TagsAirport, Highline Schools, North Sea-Tac Park, Port Of Seattle, 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 'IONIC' or similar), and various coiled cables including Ethernet and sensor wiring. A shelf holds additional networking hardware and a roll of paper towel, with a solar or power inverter unit visible at lower left.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • PSCAA Air Quality Monitor SeaTac

    A white instrumentation enclosure/shelter is mounted on a gravel pad outdoors, equipped with two mushroom-cap inlet sampling tubes on top (consistent with particulate matter or air quality monitors), a radiation shield/temperature sensor assembly, a black exhaust elbow, and associated cabling. The setting appears industrial, with graffiti-marked walls and a corrugated metal building visible in the background.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • PM10 detector

    A TSI Integrating Nephelometer (model visible on front panel label) is mounted on a wall inside what appears to be a small environmental monitoring shelter or trailer. The station includes associated gas cylinders, tubing, data acquisition hardware, and climate control equipment, consistent with an ambient air quality or visibility monitoring deployment.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Ecotech Air Quality Monitor with LG Wall AC Unit

    An Ecotech brand air quality monitoring instrument (serial number partially visible as 15-0730) is connected via yellow tubing to an LG through-the-wall air conditioning unit. The setup also includes a gray electrical enclosure with conduit and associated wiring, consistent with an environmental monitoring station installation.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Equipment room with ADAM data acquisition modules and electrical panel

    An interior equipment room showing an electrical sub-panel, Advantech ADAM-series I/O data acquisition modules mounted on a DIN rail shelf, network cabling (Ethernet and fiber), a wall-mounted thermostat reading 73°F, and a black enclosure that appears to be a UPS or power conditioner. The ADAM modules are commonly used in environmental monitoring and noise measurement systems.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Noise monitoring equipment station with Met One instrument and Dell laptop

    A compact monitoring station containing a white cylindrical inlet (likely a particle or noise sampler), a Met One Instruments analyzer unit, and a Dell laptop displaying a histogram or spectral data graph. The station is powered by a Tripp-Lite surge protector and connected via green tubing, suggesting an air quality or acoustic monitoring deployment.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Laser-based noise monitoring or measurement instrument, interior view

    The open enclosure reveals a reel-to-reel tape transport mechanism flanked by two spools of tape, a central rotating assembly bearing laser caution/danger warning labels, and pneumatic fittings. Warning labels read 'DANGER – MOVING PARTS – WATCH YOUR FINGERS' and standard laser caution markings, consistent with a precision scientific or acoustic measurement instrument.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Magee Scientific Aethalometer Model AE33-7 at Sea-Tac monitoring site

    A Magee Scientific Aethalometer Model AE33-7 (serial number AE33-S10-01520) is shown displaying real-time air quality data on April 11, 2025 at 12:24:45, including Black Carbon (BC) at -13 ng/m³, UVPM at -12 ng/m³, a reported EPA flow rate of 5.0 LPM, a 60-second timebase, and 228 tape advances remaining with a green status indicator.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Magee Scientific Aethalometer Model AE33-7 at Sea-Tac monitoring station

    A Magee Scientific Aethalometer Model AE33-7 (serial AE33-S10-01520) displays real-time air quality data on April 11, 2025 at 12:24:52, showing black carbon (BC) at -13 ng/m³, UVPM at -12 ng/m³, a reported EPA flow of 5.0 LPM, a 60-second timebase, and 228 tape advances remaining with a green status indicator.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park

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Upcoming Events

  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
    Zoom (Virtual Meeting)
    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

    [...]
  • Commercial Aviation Work Group
    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
    Virtual Meeting (Zoom)
    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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