Perma-Fix Environmental Services, Inc. (NASDAQ:PESI) Q4 2020 Results Earnings Conference Call March 29, 2021 10:00 AM ET Company Participants Natalie Redman - Laboratory Manager at the Freshwater Institute Mark Duff - CEO Ben Naccarato - CFO Dr. Lou Centofanti - Executive Vice President of Strategic Initiatives Conference Call Participants Howard Brous - Wellington Shields Operator Good day everyone and welcome to todayÂ's Perma-Fix Fourth Quarter 2020 Conference Call. At this time all participants are in a ...