Traffic Study 1 (IMAGE) George Mason University Caption Krall and colleagues conducted the first study to use personal air pollution monitors with vehicle monitors to measure women's exposure to fine particulate matter air pollution (PM2.5), one pollutant emitted by traffic. From left to right: Nada Adibah, Dr. Jenna Krall, Gabriella Cuevas. Credit Photo by Lathan Goumas/Mason Strategic Communications 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.