Marc Edwards, Virginia Tech (image) Virginia Tech Caption Marc Edwards, the Charles Lunsford Professor of Civil Engineering at Virginia Tech, worked with Carolyn Elfland, associate vice chancellor for campus services at the University of North Carolina, Chapel Hill, when high lead was discovered in water in new buildings at the UNC campus. Credit Virginia Tech Photo Usage Restrictions Photo of Dr. Edwards may be use with any discussion of his research. 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.