Ultra High-Performance Grout (2 of 2) (IMAGE) Washington State University Caption A WSU Tri-Cities student holds a cube of ultra high-performance cementitious grout -- the end formulation, of which, could be used to solidify secondary waste at the Hanford Site. The end formulation has to be able to handle large physical stresses while proving resistant to rapid freezing and thawing cycles, low porosity and long-term durability. Credit Maegan Murray, WSU Tri-Cities 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.