Tires and clothes are the major sources of Bay Area microplastics, along with pollution from microbeads from beauty and hygiene products.
Research has revealed the presence of trillions of microparticles from clothes, plastic wrap and possibly tires in the San Francisco Bay, according to a recent study released.
Microplastics measure less than five millimetres and are often invisible to the naked eye – but the term microparticles is used when the chemical composition is not clear.
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