Danger Dust

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Bampot@lemmy.world

How tire abrasion pollutes water and endangers animals (phys.org)

submitted 2 days ago by Bampot@lemmy.world to c/dangerdust@lemmy.world

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Tire wear particles enter rivers and lakes primarily via wind and rain. These particles account for 50% to 90% of all microplastics that run off roads during rainfall. Furthermore, scientific extrapolations suggest that nearly half (45%) of the microplastics found in soil and water come from tire abrasion.

The concentration of tire wear particles in water bodies can vary by several orders of magnitude, ranging from 0,00001 to 10.000 milligrams per liter.

The particles contain a complex mixture of different compounds, including toxic substances: heavy metals such as cadmium and zinc and organic substances such as the ozone protection or antioxidant 6-PPD. If the tire wear particles end up in freshwater ecosystems, the pollutants are leached out there.

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