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Tire-related chemical responsible for salmon deaths in urban streams (2020)
A team led by researchers at UW Tacoma, UW and Washington State University Puyallup has discovered a chemical that kills coho salmon in urban streams before the fish can spawn.
And we kept trying to figure out what it was,” said lead author Zhenyu Tian, a research scientist at the Center for Urban Waters at UW Tacoma. Ozone, a gas created when pollutants emitted by cars and other chemical sources react in the sunlight, breaks the bonds holding the tire together. But, while tests have shown that there are effective environmentally friendly stormwater technologies for removing 6PPD-quinone, it would be almost impossible to build a treatment system for every road, the team added.
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