A case study on radiation shielding in a hospital When radiation shielding was needed for a new addition to the Lahey Hospital and Medical Center (LHMC) in Burlington, MA, heavyweight concrete—also known as high-density concrete—proved to be the obvious solution. But how does a contractor procure materials for such a concrete mixture? (Click here to read full article) By Jim Noller, VP, Sales and Marketing, Shielding Construction Solutions, Inc. (SCS), Daniel Harrell, VP Oper