Federal Bill Targets Tire Chemical Linked to the Population Decline of Coho Salmon in Pacific NW
A long-standing mystery behind mass die-offs of coho salmon in the Pacific Northwest has led to new federal legislation aimed at curbing a toxic chemical linked to urban runoff.
After two decades of research, scientists from the Center for Urban Waters and Washington Stormwater Center identified 6PPD-quinone—a byproduct of tire additives reacting with ozone—as the culprit behind the deaths. The chemical washes into waterways during rainfall, entering salmon bloodstream and...
To Read Full Story Login Below.