Chemical Analysis (IMAGE) Virginia Tech Caption Virginia Tech engineers snapped into action when more than 10,000 gallons of a chemical mixture leaked from a storage tank near Charleston, W.Va., and entered the Elk River upstream of a water-treatment plant. Here, senior analytical chemist Jody Smiley (left) of the Department of Civil and Environmental Engineering explains an analytical process to graduate students in Andrea Dietrich's (second from right) Civil and Environmental Engineering Techniques for Environmental Analysis class. Credit Virginia Tech 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.