Skip to content
  • STNI
  • Statistics
    • Ops and Passengers
    • Financials
    • Air Quality Monitoring
    • Flight Tracking
      • Flow and Flight Tracks
      • Five Year Comparison
      • Busiest Hours and Days
    • SEL Noise Reports & Graphs
      • Noise Events mapped
      • Noise Events (SEL)
        • About The Permanent Noise Monitors
    • Runways
    • Employees
    • Real Estate
      • Port Properties and Trees mapped
    • Parking
  • Events
  • Protest
    • Regular Events
    • Legislation 2026
    • Complain about a particular flight
    • Advocacy Organizations
    • Media Outlets
    • People
    • The Port of Seattle
      • Commission Meetings
      • Public Records Requests
      • StART
      • Highline Forum
    • Contact Your Electeds
  • Resources
    • FAQs
      • FAA Occurrences/Accidents/Indents
    • The unSustainable Airport Master Plan
      • SAMP Record of Decision/FONSI (2025)
      • SAMP Draft EA (October 2024)
      • 2018 Scoping
    • Port Packages
      • Port Package Property Costs
      • Port Packages mapped
      • The Port Package Explainer
      • So you want a (first-time) Port Package? Start here
      • Port Package Looker Upper
      • How do I determine if I have a Port Package or Avigation Easement?
      • Progress on Port Package Update legislation
      • Having a Port Package Problem?
      • Port Package Site Visit Follow-Up
    • Document Library
    • Explainers
      • The Airport Law Cheat Sheet
      • The Grant Explainer
    • External Articles
    • History
      • Timeline
    • Studies
    • Videos
  • Stories
  • Mission
  • Subscribe
  • Contact
Scroll down to content

Get InformedStay Informedx

I understand that you will never share my information with anyone, you will only use it to keep me updated on relevant events and that I may unsubscribe at any time.

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.

TagEPA(35)

Advanced Search Options

  • Dates
  • Media
    • External Articles
    • Images
    • PDFs
    • Video
    • Audio
  • Order By
  • 1970-12-31

    42 USC Chapter 85, Subchapter II, Part B: Aircraft Emission Standards

    ★
    42 USC CHAPTER 85, SUBCHAPTER II, Part B: Aircraft Emission Standards Current 2024 Main Ed. (1/6/2025) [Titles 1 through 41] 2018 Ed. and Supplement V (1/3/2024) 2018 Ed. and Supplement IV (1/5/2023) 2018 Ed. and Supplement III (1/3/2022) 2018 Ed. and Supplement II (1/13/2021) 2018 Ed. and Supplement I (1/24/2020) 2018 Main Ed. (1/14/2019) 2012
    CategoriesFrom The Web, Key Documents, Legislation TagsAviation Emissions, Clean Air Act, Code of Federal Regulations, EPA, Legislation
  • 2026-04-02

    EPA Boosts Biofuel Mandates in Final Renewable Fuel Standard Rule for 2026-2027

    Highlights The U.S. Environmental Protection Agency (EPA) has finalized a rule setting record-high levels for U.S. blending of biofuels. EPA estimates the rule will require a 60 percent increase of biodiesel and renewable diesel production and use compared to 2025 levels. This Holland & Knight alert summarizes policy changes in the final rule and their
    CategoriesFrom The Web TagsAirline Industry, Environment, EPA, Holland & Knight, Sustainable Aviation Fuels
  • 2026-03-04

    Lower Duwamish Waterway Superfund Settlement Summary

    Settlement Resources Press Release Lower Duwamish Consent Decree (pdf) (10.95 MB) Lower Duwamish Complaint (pdf) (192.55 KB)On March 4, 2026, the U.S. Environmental Protection Agency (EPA), U.S. Department of Justice (DOJ) and the state of Washington, reached a settlement agreement with more than 100 potentially responsible parties to address hazardous substances released into the Lower
    CategoriesFrom The Web TagsBoeing, Duwamish River, EPA, Port Of Seattle, Superfund
  • Ejscreen

    EJScreen Environmental Justice Screening and Mapping Tool (Version 2.3)

    This is an 1unofficial copy of EJScreen hosted by the Public Environmental Data Partners. Some links and text may incorrectly suggest that this site is affiliated with the US Government. The EJScreen Tool was an EPA web application taken down in January of 2025 as part of Executive Order 14151. It was described as “an
    CategoriesFrom The Web TagsEJScreen, Environmental Justice, EPA, Executive Orders, Map
  • Trump Epa Rollbacks Evan Zucci
    2026-02-12

    Trump’s EPA Rollbacks Will Reverberate for ‘Decades’

    The EPA’s repeal of a cornerstone climate rule is part of an aggressive agenda whose effects will outlast the president President Donald Trump is shrinking the Environmental Protection Agency more quickly and aggressively than ever before, culminating in last week’s move to rescind the crucial “endangerment finding” underpinning key regulations of planet-warming pollution. And unlike
    CategoriesFrom The Web TagsBloomberg, EJScreen, EPA
  • 2026-01-28

    EPA Advances Cooperative Federalism to Improve Air Quality by Taking an Important Step to Reconsider Biden-era “Good Neighbor Plan”

    Agency Proposes to Approve State Implementation Plans for Eight States January 28, 2026 Contact Information EPA Press Office (press@epa.gov) WASHINGTON – On January 27, 2026, the U.S. Environmental Protection Agency (EPA) proposed phase 1 of its reconsideration of the deeply flawed Biden-era “Good Neighbor Plan.” Under phase 1, the agency is proposing to approve eight
    CategoriesFrom The Web TagsEPA, NAAQS
  • Powerplants Socialfeature 1
    2025-11-25

    EPA asks court to strike down fine particulate air pollution standard, threatening public health and undermining obligation under Clean Air Act

    WASHINGTON – The U.S. Environmental Protection Agency (EPA) filed a motion for vacatur in the Court of Appeals for the D.C. Circuit, asking the court to strike down the health-based fine particulate matter (PM2.5) standard the agency had strengthened last year. Kentucky V EPA Motion Vacatur “EPA’s motion is a blatant attempt to avoid legal
    CategoriesFrom The Web TagsClean Air Act, Clean Air Task Force, EPA, NAAQS
  • 2025-07-29

    In a Game-Changing Climate Rollback, E.P.A. Aims to Kill a Bedrock Scientific Finding

    If upheld in court, the repeal would make it almost impossible for future administrations to rein in greenhouse gases. By Maxine Joselow and Lisa Friedman Reporting from Washington July 29, 2025Updated 3:19 p.m. ET Lee Zeldin, the administrator of the Environmental Protection Agency, said on Tuesday the Trump administration would revoke the scientific determination that
    CategoriesFrom The Web, News Stories TagsEPA, New York Times
  • Guidance Leaflet PFOA in Fire-Fighting Foams 65203287-PFOA-EPA-Factsheet-Final

    TagsEPA, PFAS
  • 2025-05-16

    EPA limits Its PFAS drinking water standard to PFOA and PFOS, delays compliance timeline to 2031

    On May 14, 2025, the U.S. Environmental Protection Agency announced via press release that it will reduce the scope of its April 10, 2024 National Primary Drinking Water Regulation to the two most prevalent per- and polyfluoroalkyl (PFAS) compounds, PFOA and PFOS, and extend the compliance timeline for public water systems by two years, from
    CategoriesFrom The Web, News Stories TagsEPA, Kaplan Kirsch Rockwell, PFAS

Posts pagination

Page 1 Page 2 Page 3 Page 4
Sidebar On/Off

Upcoming Events

  • Des Moines City Council – SAMP Update
    Add to CalendarMThursday Jun 4: 5:00pm
    21630 11th Ave S,
    Item report 1 pdf

    Purpose and Recommendation To provide the Council with an update on the status of the Sustainable Airport Master Plan (SAMP) environmental review. Background Federal Aviation Administration (FAA) Approval On September 26, 2025, the FAA completed their National Environmental Policy Act review and approved a Final Environmental Assessment and Finding of No Significant Impact/Record of Decision

    [...]
  • SAMP/SEPA Draft EIS Town Hall SeaTac
    Add to CalendarMMonday Jun 22, 6:00pm - 8:00pm
    2450 S 142nd St SeaTac, WA 98168
    SAMP logo t

    The Port of Seattle is sponsoring four open houses to answer your questions about the SAMP/SEPA Draft EIS. There will be a reporter to take your comments in-person. Monday, June 22: 6–8pm Glacier Middle School Entrance lobby/commons 2450 S 142nd St SeaTac, WA 98168

    [...]
  • SAMP/SEPA Draft EIS Town Hall Des Moines
    Add to CalendarMTuesday Jun 23, 6:00pm - 8:00pm
    22450 19th Ave S
    SAMP logo t

    The Port of Seattle is sponsoring four open houses to answer your questions about the SAMP/SEPA Draft EIS. There will be a reporter to take your comments in-person. Tuesday, June 23: 6–8pm Mount Rainier High School Cafeteria space 22450 19th Ave S Des Moines, WA 98198

    [...]

[See all...]


Help study childhood asthma. Get free HEPA filter!

read more...

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.
read more...

Read This!

A report examining the barriers to implementing sustainable aviation fuel (SAF) in Massachusetts, authored by Neil Rasmussen and Chuck Collins from the Institute for Policy Studies. The report analyzes challenges and obstacles facing SAF adoption in the state.
continue...

The Podcast!

Subscribe to the only podcast devoted to policies, politics, history, impacts for people living under the flight path everywhere. It’s definitely not just about noise!
  • Sea-Tac Noise.Info
  • Connect with STNI

    • Subscribe
    • Port Package Problem?
    • Donate
    • Podcast
    • Socials
      • Facebook
      • X (Twitter)
      • Bluesky
      • Instagram

    "Sustainable Airport Master Plan (SAMP)" — , 2018

  • Learn

    • Frequently Asked Questions
    • Explainers
    • Youtube
    • Research Requests
    • Make a complaint
  • Goals

    Fulfill the promises of 1976:
    • Compensation
    • Reduced noise
    • Improved air quality
    • Environmental remediation
Login/Register
©2026•Data Privacy

Message

Manage Cookie Consent
We use cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
  • Manage options
  • Manage services
  • Manage {vendor_count} vendors
  • Read more about these purposes
View preferences
  • {title}
  • {title}
  • {title}
V V