SOD Blitz Volunteers (IMAGE) University of California - Berkeley Caption Two volunteers collect samples in the East Bay during the 2014 SOD Blitz. Credit Photo by Douglas Schmidt, UC Berkeley Usage Restrictions All rights reserved. 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.