Research Shows How Tire Pollutant 6PPD-Quinone Harming ESA Coho, Steelhead In Southern End Of West Coast Habitat

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Water running off busy roads in California carries the pollutant 6PPD-quinone at levels that could harm two endangered salmonid species Endangered coho salmon and steelhead trout live and spawn in habitats surrounded by human activity, such as the San Francisco Bay area.

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