6PPD, a toxic tire chemical, damages Washington's salmon populations and debates for a ban continue.

6PPD, a toxic chemical in car tires, is causing severe damage to Washington's salmon populations, releasing 6PPD-quinone, a highly toxic substance killing salmon in waterways. Researchers have identified the toxic chemical, and Washington Attorney General Bob Ferguson is supporting a ban on 6PPD. Debates continue among state and federal policymakers, with mitigation efforts underway by the Washington Department of Ecology and the Washington State Department of Transportation.

August 03, 2024
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