- link Copy URL - [ Share on X ](https://twitter.com/intent/tweet?text=The Hidden Impact of 6PPD: What Salmon Are Telling Us https://www.3blmedia.com/markdownify/node/1313986?absolute=1&via=3blnews "Share on X") - [ Share on linkedin ](https://www.linkedin.com/shareArticle?mini=true&url=https://www.3blmedia.com/markdownify/node/1313986?absolute=1 "Share on Linkedin") - [ Share on facebook ](https://www.facebook.com/sharer/sharer.php?u=https://www.3blmedia.com/markdownify/node/1313986?absolute=1 "Share on Facebook") - [ email Share via email ](mailto:?subject=The Hidden Impact of 6PPD: What Salmon Are Telling Us&body=ESG News from Inogen Alliance https://www.3blmedia.com/markdownify/node/1313986?absolute=1 "Share via email") [Environment](/categories/environment) # The Hidden Impact of 6PPD: What Salmon Are Telling Us ##### Rethinking: EHS Global Goals. Local Delivery. May 19, 2026 9:55 AM ET Campaign: [Rethinking EHS Podcast](/news/campaign/rethinking-ehs-podcast) ![Photo showcasing the podcast title and guest speakers](/sites/default/files/styles/carousel_2x/public/images/maxresdefault_1.jpg) In this bonus episode of Rethinking EHS, host Beatrice Bizzaro speaks with Ivy Liu (Terrapex Canada) to explore the impact of 6PPD-quinone on coho salmon populations in the Pacific Northwest. The conversation highlights how a common tire additive transforms into a toxic compound in the environment, causing widespread mortality in sensitive fish species and signaling broader water quality issues linked to urban runoff. ## **Listen now** - [Apple Podcasts](https://podcasts.apple.com/us/podcast/the-hidden-impact-of-6ppd-what-salmon-are-telling-us/id1741016993?i=1000768474998) - [Spotify](https://open.spotify.com/episode/6xg358MEGuxaoCyRp5kpYF?si=72f213bae5454b82&nd=1&dlsi=862163ea3fcb478b) - [YouTube](https://www.youtube.com/watch?v=wSlFjgHI4Vo) ## **Time Stamps** 00:00:06 – Introduction & episode overview 00:00:43 – Why coho salmon are key indicator species 00:03:28 – How 6PPD enters waterways 00:05:04 – Why research is concentrated in the Pacific Northwest 00:06:09 – Key takeaways and urgency for action 00:07:28 – Salmon life cycle and vulnerability 00:09:25 – “Canary in the coal mine” explained 00:11:45 – Closing reflections ## **Guest Quotes** **Ivy Ng:** “Coho salmon are especially effective sentinels because their response is rapid, consistent and lethal, signaling broader water quality issues.” [**All Podcast Episodes**](https://www.inogenalliance.com/podcast) [![](/sites/default/files/Clients/INOGEN_ALLIANCE_LOGO_RGB_R.png)](/profiles/inogen-alliance) ### More from Inogen Alliance ###### [Navigating Global Uncertainty: What EHS & Sustainability Leaders Need to Know in 2026](/news/navigating-global-uncertainty-what-ehs-sustainability-leaders-need-know-2026) May 14, 2026 9:00 AM ET ###### [From PFAS to Microplastics: The Rising Challenge of Emerging Contaminants](/news/pfas-microplastics-rising-challenge-emerging-contaminants) May 12, 2026 8:40 AM ET ###### [A Healthy Workplace Environment: The Importance of Clean Indoor Air](/news/healthy-workplace-environment-importance-clean-indoor-air) May 8, 2026 11:10 AM ET ###### [The Future of EHS: Growth, Risk & Global Trends](/news/future-ehs-growth-risk-global-trends) Apr 28, 2026 9:30 AM ET ###### [25 Years of Impact: The Power of Global Collaboration in EHS](/news/25-years-impact-power-global-collaboration-ehs) Apr 21, 2026 8:30 AM ET ###### [The New CSRD Reality: What Changed and What Companies Should Do in 2026](/news/new-csrd-reality-what-changed-and-what-companies-should-do-2026) Apr 16, 2026 12:10 PM ET ###### [Regulatory Changes in North America, Europe, and Australia: Key Health & Safety Updates for Multinational Employers](/news/regulatory-changes-north-america-europe-and-australia-key-health-safety-updates-multinational) Apr 8, 2026 9:35 AM ET ###### [Inogen Alliance Sponsors the 7th International PFAS Congress, June 16-19](/news/inogen-alliance-sponsors-7th-international-pfas-congress-june-16-19) Apr 3, 2026 12:15 PM ET