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Microplastics from tyre and road wear A literature review
Summary
This literature review examines microplastics generated from tire and road wear, identifying road traffic as a significant but often overlooked source of plastic pollution in urban runoff and waterways. The authors assess what is known about tire particle composition, environmental fate, and potential ecological effects.
This literature review concerns microplastics from tyre and road wear caused by road traffic. As thereis limited knowledge about microplastics in general, and microplastics from road traffic in particular,the Swedish Government commissioned the Swedish National Road and Transport Research Institute(VTI) to, during 2018-2020, develop and disseminate knowledge about microplastics from roadtraffic. The chapters in this report summarises existing knowledge about microplastics from roadtraffic with respect to the following aspects: sources, spread and presence; effects on and risk to theenvironment and human health; characteristics and chemical composition; tyre and road wear;sampling methods; analysis and sample preparation; and measures. The report also includes a chapterwith overall conclusions, and a chapter about further research, development and investigation needs.The purpose of this report is to provide a basis for reducing the generation and spread of microplasticsfrom road traffic. One aim of the report is to collate and disseminate knowledge about microplasticsgenerated by tyre and road wear, and to review the current level of knowledge. A second aim is toidentify knowledge gaps and research requirements in relation to microplastics from road traffic. Thisliterature review is based on a review of scientific articles and reports, as well as technical literatureand some information from experts and industry.
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