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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Human Health Effects Sign in to save

Deep dive into the chronic toxicity of tyre particle mixtures and their leachates

Journal of Hazardous Materials 2024 34 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 65 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Richard C. Thompson, Paul Boisseaux, Cassandra Rauert, Richard C. Thompson, Florian Pohl, Florian Pohl, Florian Pohl, Florian Pohl, Richard C. Thompson, Florian Pohl, Florian Pohl, Richard C. Thompson, Richard C. Thompson, Tamara S. Galloway, Florian Pohl, Cassandra Rauert, Florian Pohl, Richard C. Thompson, Richard C. Thompson, Tamara S. Galloway, Paul Boisseaux, Paul Boisseaux, Tamara S. Galloway, Tamara S. Galloway, Cassandra Rauert, Cassandra Rauert, Cassandra Rauert, Tamara S. Galloway, Cassandra Rauert, Paul Boisseaux, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Tamara S. Galloway, Tamara S. Galloway, Richard C. Thompson, Marie Laure Delignette‐Muller, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Cassandra Rauert, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Cassandra Rauert, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Cassandra Rauert, Cassandra Rauert, Cassandra Rauert, Cassandra Rauert, Cassandra Rauert, Cassandra Rauert, R.E. Barrett, R.E. Barrett, Florian Pohl, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Cassandra Rauert, Cassandra Rauert, Cassandra Rauert, Cassandra Rauert, Cassandra Rauert, Cassandra Rauert, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Lee J. Durndell, Lee J. Durndell, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Florian Pohl, Florian Pohl, Pradeep Dewapriya, Pradeep Dewapriya, Richard C. Thompson, Richard C. Thompson, Kevin V. Thomas Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Tamara S. Galloway, Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Tamara S. Galloway, Richard C. Thompson, Richard C. Thompson, Tamara S. Galloway, Richard C. Thompson, Marie Laure Delignette‐Muller, Lee J. Durndell, Tamara S. Galloway, Lee J. Durndell, Tamara S. Galloway, Richard C. Thompson, Tamara S. Galloway, Richard C. Thompson, Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Tamara S. Galloway, Richard C. Thompson, Tamara S. Galloway, Richard C. Thompson, Kevin V. Thomas Richard C. Thompson, Cassandra Rauert, Tamara S. Galloway, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Kevin V. Thomas Cassandra Rauert, Richard C. Thompson, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Florian Pohl, Richard C. Thompson, Richard C. Thompson, Kevin V. Thomas Richard C. Thompson, R.E. Barrett, Richard C. Thompson, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Lee J. Durndell, Richard C. Thompson, Richard C. Thompson, Tamara S. Galloway, R.E. Barrett, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Richard C. Thompson, Kevin V. Thomas Richard C. Thompson, Cassandra Rauert, Florian Pohl, Florian Pohl, Richard C. Thompson, Tamara S. Galloway, Tamara S. Galloway, Florian Pohl, Tamara S. Galloway, Richard C. Thompson, Richard C. Thompson, Cassandra Rauert, Richard C. Thompson, Cassandra Rauert, Richard C. Thompson, Tamara S. Galloway, Richard C. Thompson, Richard C. Thompson, Cassandra Rauert, Tamara S. Galloway, Richard C. Thompson, Kevin V. Thomas Richard C. Thompson, Lee J. Durndell, Kevin V. Thomas Cassandra Rauert, Richard C. Thompson, Cassandra Rauert, Tamara S. Galloway, Tamara S. Galloway, Cassandra Rauert, Cassandra Rauert, Richard C. Thompson, Tamara S. Galloway, Tamara S. Galloway, Cassandra Rauert, Kevin V. Thomas Tamara S. Galloway, Richard C. Thompson, Tamara S. Galloway, Cassandra Rauert, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Richard C. Thompson, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Cassandra Rauert, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Richard C. Thompson, Florian Pohl, Richard C. Thompson, Florian Pohl, Cassandra Rauert, Richard C. Thompson, Florian Pohl, Richard C. Thompson, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Richard C. Thompson, Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Cassandra Rauert, Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Cassandra Rauert, Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Richard C. Thompson, Florian Pohl, Kevin V. Thomas Richard C. Thompson, Kevin V. Thomas Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Tamara S. Galloway, Richard C. Thompson, Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Richard C. Thompson, Richard C. Thompson, Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Richard C. Thompson, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Richard C. Thompson, Richard C. Thompson, Richard C. Thompson, Cassandra Rauert, Richard C. Thompson, Tamara S. Galloway, Cassandra Rauert, Tamara S. Galloway, Florian Pohl, Florian Pohl, Tamara S. Galloway, Richard C. Thompson, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Richard C. Thompson, Tamara S. Galloway, Richard C. Thompson, Richard C. Thompson, Tamara S. Galloway, Cassandra Rauert, Kevin V. Thomas

Summary

Researchers tested the toxicity of tire tread microparticles — shed from vehicle tires at roughly 1.4 kg per car per year — on water fleas (Daphnia magna) over 21 days and found the particles were nearly 10 times more toxic than chemical leachates from the same tires alone. Chemical analysis identified zinc, titanium, and 54 organic compounds shared across five major tire brands, with many classified as very toxic to aquatic life.

Particles from the tread of vehicle tyres are a global pollutant, which are emitted into the environment at an approximate rate of 1.4 kg.year<sup>-1</sup> for an average passenger-car. In this study, popular tyre brands were used to generate a tyre tread microparticle mixture. The chronic toxicity of both particles and chemical leachates were compared on a planktonic test species (Daphnia magna). Over 21 days of exposure, pristine tyre tread microparticles were more toxic (LC50 60 mg.L<sup>-1</sup>) than chemical lechates alone (LC50 542 mg.L<sup>-1</sup>). Microparticles and leachates showed distinct effects on reproduction and morphological development at environmentally relevant concentrations, with dose-dependent uptake of particles visible in the digestive tract. Chemical characterization of leachates revealed a metal predominance of zinc, titanium, and strontium. Of the numerous organic chemicals present, at least 54 were shared across all 5 tyre brands, with many classified to be very toxic. Our results provide a critically needed information on the toxicity of tyre tread particles and the associated chemicals that leach from them to inform future mitigation measures. We conclude that tyre particles are hazardous pollutants of particular concern that are close to or possibly above chronic environmental safety limits in some locations.

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