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A coho salmon gapes for air, one of the symptoms of urban runoff mortality syndrome, in Miller Creek in Normandy Park, Washington, and other creeks polluted by roadway runoff. Credit: KUOW GIF made from University of Washington video Salmon-killing tires get congressional hearing By at 4:22 pm A study that pinpointed a chemical from car tires as the cause of salmon die-offs in West Coast creeks has prompted a congressional hearing. The toxic effects of tire dust and skid marks on coho salmon were the subject of a U.S. House of Representatives Natural Resources Committee hearing Thursday. Washington State University researcher Jenifer McIntyre said 6PPD-quinone, a chemical recently discovered in used tires, has been washing off roadways and killing coho salmon.

United statesUniversity of washingtonWashington state universityPuget soundPaul gosarJenifer mcintyreDavid trouttSarah amickKatie porterUs tire manufacturers associationPuget sound partnershipWest coastRepresentatives natural resources committeeState universityNorth americaManufacturers association