Water Law Commons^™

6ppd-Q, Tires, And Salmon, Oh My: Policies And Remedies For Tribes In The Acute Mortality Of Coho Salmon In The Puget Sound Region., Meralina Morales

American Indian Law Journal

The pervasive reliance on automobiles within society exacerbates environmental degradation in low-income and communities of color, notably in Native and tribal communities. The leaching of Tread Wear Particles (TWP), including the detrimental 6PPD-quinone (“6PPD-q”), into waterways, significantly impacts aquatic ecosystems. This issue is especially impactful for endangered species, like the coho salmon, that hold profound cultural significance for indigenous tribes in the Pacific Northwest, for example, the Nez Perce Tribe believes that the fate of the salmon and people are linked.[1]

The scientific foundations of 6PPD-q's impact on salmon through bioaccumulation and biomagnification highlights its environmental justice implications. This …