Tyre contaminants (IMAGE) Griffith University Caption Urban stormwater particles from tyre wear were the most prevalent microplastic, according to a new study. Credit Karolina Grabowska Usage Restrictions Share with credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.