tire particles in vial (IMAGE) Oregon State University Caption Micro-sized tire particles generated from tire tread using a cryomill in the lab of Oregon State University Professor Stacey Harper. Credit Saskia Madlener. Usage Restrictions none License Licensed 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.