Randy Krause October 2023 The Port of Seattle Fire Department continues on a five-year journey to find the safest, most efficient aircraft firefighting foam (AFFF) replacement and make Seattle-Tacoma International (SEA) one of the first U.S. airports to complete the steps for the transition after federal approval. In 2018, it was obvious the FAA would
By Lulu Ramadan Seattle Times staff reporter This article was produced for ProPublica’s Local Reporting Network and The Seattle Times, with support from the Investigative Journalism Fund. Sign up for Seattle Times newsletters and alerts and ProPublica’s Dispatches to get stories like this one as soon as they are published. Times Watchdog stories dig deep to hold power accountable, right wrongs and
Limit your exposure to particulate matter. Limit your cumulative risk. The smoke from wildfires has once again blanketed the areas around Sea-Tac Airport, creating PM2.5 air quality readings often seen more in Third World countries. Unfortunately, most of us are highly biased to only perceive dangers we can see. For example, many of you will
An educational diagram comparing the sizes of airborne particulate matter: PM2.5 (combustion particles, organic compounds, metals, less than 2.5 microns in diameter) and PM10 (dust, pollen, mold, less than 10 microns in diameter), shown relative to a human hair (50–70 microns in diameter) and fine beach sand (90 microns in diameter).
Between 1955 and 1970, the United States passed five laws to monitor and regulate the country’s air pollution. Each act built upon the last and, in 1970, Congress passed the Clean Air Act, which established guidelines for “safe” levels of ambient air pollution, some of which are still used today. But a new study suggests those standards
Anna Aldrich, University of California, Irvine The brains of wild type (WT) and Alzheimer’s (APP) mouse models were analyzed after exposure to purified air (Con) and ultrafine particulate matter (PM) for the presence of astrocyte cells. These were visualized by staining them green (left column), with potentially harmful and activated astrocytes appearing in red (middle
April 27, 2023 SACRAMENTO, Calif. — California approved Thursday a first-in-the-nation, ambitious rule limiting rail pollution to aggressively cut greenhouse gas emissions in the state’s latest move to establish itself as a global leader in the fight against climate change. The rule will ban locomotive engines more than 23 years old by 2030 and increase
By MICHAEL PHILLIS The Associated Press In what could prove a significant move for communities facing air pollution, the Environmental Protection Agency proposed on Thursday that chemical plants nationwide measure certain hazardous compounds that cross beyond their property lines and reduce them when they are too high. The proposed rules would reduce cancer risk and
