West Coast fishing groups filed a federal lawsuit earlier this month against 13 of the largest tire manufacturers in the U.S., alleging the companies are illegally killing or harming endangered salmon and oceangoing trout by the use of toxic chemicals in their products.
The lawsuit filed in U.S. District Court in San Francisco alleges that the tire-makers violated the U.S. Endangered Species Act through the discharge of 6PPD-quinone, a chemical derived from a preservative that helps tires last longer. The chemical has been linked to mortality in coho salmon returning to Puget Sound streams and, the groups allege, is harming Chinook and steelhead.
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