Perma-Fix Environmental Services, Inc. news

ATLANTA, June 3, 2011 /PRNewswire/ -- Perma-Fix Environmental Services, Inc. (NASDAQ: PESI) today announced it has signed an exclusive option agreement with Battelle, which operates Pacific Northwest National Laboratory for the U.S. Department of Energy, to license technology from PNNL for use with Perma-Fix's proprietary process to safely and cost-effectively produce Molybdenum-99 (Mo-99), which is used to make