We are encouraged by the federal government’s decision to grant our request to prioritize the tire chemical 6PPD for assessment
6PPD is an additive that manufacturers use to prevent tires from degrading. Over time, tires release particles and chemicals that enter waterways. The breakdown product of 6PPD, called 6PPD-quinone (6PPD-q), has been linked to mass deaths of coho salmon when they pass through urban streams. An estimated 40-90 percent of adult coho salmon returning to spawn in urbanized watersheds could die…
https://www.raincoast.org/2024/05/federal-governments-prioritize-tire-chemical-6ppd/
