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Title

Focus on: Monitoring 6PPD-q in the environment

 
Publication number Date Published
23-03-017April 2023
VIEW NOW Focus on: Monitoring 6PPD-q in the environment (Number of pages: 2) (Publication Size: 646KB)




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Author(s) Mugdha Flores
Description In 2020, after decades of investigative work by a cross-disciplinary research consortium, scientists from University of Washington Tacoma, Washington State University Puyallup, and their collaborators, identified 6PPD-quinone, also known as 6PPD-q, as the chemical that causes pre-spawn mortality in coho salmon. The chemical comes from 6PPD (6 p-phenylenediamine), found in tires and recycled tire products, when tire dust is exposed to air. When rain falls on tires and roads, it washes tire dust including 6PPD-q into rivers, streams, and estuaries.

To support long-term solutions, researchers are developing assessment studies to understand when, where, and how 6PPD-q ends up in the environment.
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Keywords 6PPD, tires, salmonids, salmon, 6PPD-quinone, tire chemicals, 6PPD-q
WEB PAGE Tire anti-degradant (6PPD) and 6PPD-quinone
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