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SUMMARY:Webinar 10/21: From Road to River - Tire Chemicals\, Salmon\, and the Columbia River
DESCRIPTION:Since its discovery in 2020\, scientists have known 6PPD-quinone\, a highly-toxic chemical by-product from automobile tires\, was killing salmon in urban streams in the Puget Sound. But what does this mean for salmon in the Columbia River Basin?  \nJoin us for “From Road to River: Tire Chemicals\, Salmon\, and the Columbia River\,” a free 60-minute webinar to learn about updates on the latest science\, what’s changed since our last webinar on tire chemicals\, and what we are learning right here in the Columbia River Basin. And the good news? This is a problem we already know how to solve. \n\nWhat: A 60-minute webinar looking at tire chemicals and salmon in the Columbia River.\nWhen: Wednesday\, October\, 21\, 2026\, from 12 – 1 p.m. PDT. \nHow: RSVP below today. We’ll send you a Zoom link and reminders. *Note: Even if you can’t attend live\, sign up and we’ll send a video recording after the event.\nCost: FREE!\n\n \n\nModerator: Lorri Epstein\, Science & Education Director Columbia Riverkeeper \nWebinar speakers: \n\n\n\nRoy Iwai manages the Multnomah County Transportation Division’s Water Quality Program. He leads several local and regional partnerships around water quality and outreach\, and serves as the chair of the Oregon 6PPD-quinone Working Group. Multnomah \nTodd Hanna has been working in fisheries for 40 years\, including teaching fisheries courses and serving as program director and as a faculty advisor in the Fisheries Technology program at Mt. Hood Community College (MHCC) for the past 28 years.\nKatie Holzer is a Watershed Scientist with the City of Gresham where she conducts studies of stormwater pollution and how to mitigate it. She has a PhD in Ecology and has been studying human/wildlife coexistence for over 20 years. \n\n\n\n\n\n\n\n 
URL:https://www.columbiariverkeeper.org/event/webinar-10-21-2026/
LOCATION:Virtual
CATEGORIES:Webinar
ATTACH;FMTTYPE=image/jpeg:https://www.columbiariverkeeper.org/wp-content/uploads/2026/09/2025.10.22-webinar-science-education-introoutro-slides.jpg
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