Professor Daniel Giammar (IMAGE) Washington University in St. Louis Caption Researchers in the lab of Daniel Giammar, the Walter E. Browne Professor of Environmental Engineering in the McKelvey School of Engineering, have devised a new method that allows them to extract lead from "point-of-use" filters, providing a clearer picture of what's coming out of the faucet. Credit Washington University in St. Louis Usage Restrictions Use allowed with proper attribution 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.