Perma-Fix Environmental Services, Inc. (NASDAQ:PESI) Q1 2019 Earnings Conference Call May 9, 2019 11:00 AM ET Company Participants David Waldman - Member of Supervisory Board Mark Duff - President & CEO Benio Naccarato - CFO, CAO, VP & Secretary Louis Centofanti - EVP, Strategic Initiatives & Executive Director Conference Call Participants Stephen Levenson - Big Rock Research Operator Greeting and welcome to the Perma-Fix Environmental First Quarter 2019 Business Update Conference Call. [Operator Instructio ...