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Mon Oct 19 2026 at 07:00 pm to 08:30 pm UTC-07:00

The Mystery of 6PPD-Q: Coho, Cars, and a Deadly Chemical Conundrum

  • VIU Cowichan, Lecture Hall 140 · Duncan
Cowichan Watershed Board Publisher / Host Cowichan Watershed Board
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The Mystery of 6PPD-Q: Coho, Cars, and a Deadly Chemical Conundrum
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The Mystery of 6PPD-Q: Coho, Cars, and a Deadly Chemical Conundrum
Monday, October 19th | 7-8:30pm | VIU Cowichan - Lecture Hall 140, 2011 University Way, Duncan | FREE
In 2007, thousands of juvenile coho salmon were discovered dead in Fish Gut Alley in Duncan. For nearly two decades, the reason remained a mystery. Today, we finally understand why.
Join the CWB, Dr. Erik Krogh, Qutxulenuhw Tim Kulchyski, and Haley Tomlin, to learn about the case of 6PPD-Q, the toxic chemical found in tires that poses a deadly threat to young salmon. Hear about the discovery, the mystery, the work done to solve it, and what’s being done to mitigate the threat. The evening will begin with a presentation from Dr. Krogh about how he, along with other researchers at VIU, have been working closely with the BC Conservation Foundation (BCCF), First Nation partners, and community members from Victoria to Campbell River to learn more about how, where, and with what severity 6PPD-Q is impacting urban streams. After his presentation, Dr. Krogh will be joined for a panel discussion by Biologist and CWB Board member Tim Kulchyski, who was one of the first people notified when the initial die-off was discovered in Fish Gut Alley, as well as BCCF Biologist Haley Tomlin.
Learn more about our speakers ⬇️:
Erik Krogh (PhD, P.Chem.) is a Professor of Chemistry at Vancouver Island University and co-Director of the Centre for Health and Environmental Mass Spectrometry. He teaches environmental chemistry and maintains a nationally funded research group of undergraduate and graduate students. Recently, he has led a large-scale project characterizing tire wear toxicants in urban waters on Vancouver Island.
Qutxulenuhw Tim Kulchyski is a Natural Resource Consultant in the Cowichan Tribes Lands and Self-Governance Department and serves as a member of the Cowichan Watershed Board. He has worked with a variety of clients assessing upland, freshwater, and marine ecosystems for over 20 years.
Haley Tomlin (RPBio, BSc) has a background in aquatic ecology, environmental monitoring, project management, and coordinating citizen science programs. She joined the BCCF team in early 2022 and has been working as a biologist for nearly 10 years. Previous roles have involved developing and implementing a tire wear toxicant monitoring program, a forage fish spawning habitat monitoring program, and small-scale restoration projects, all have involved working closely with community-based stewardship groups.
This Speakers Series is hosted by the Cowichan Watershed Board, with the support of VIU Cowichan and funding from the Watershed Security Fund.
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VIU Cowichan, Lecture Hall 140, 2011 University Way, North Cowichan, BC V9L 0C7, Canada, Duncan

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