Durham Fire Department (IMAGE) Duke University Caption New Duke University research shows that silicone wristbands can be used to track firefighters’ exposures to 134 dangerous chemicals, including PFAS. Credit Durham, NC, Fire Department Usage Restrictions none 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.