Perma-Fix Environmental Services, Inc. (NASDAQ:PESI) Q1 2023 Earnings Call May 9, 2023 11:00 AM ET Company Participants David K. Waldman - Investor Relations, Crescendo Communications, LLC Mark Duff - President and Chief Executive Officer Ben Naccarato - Executive Vice President and Chief Financial Officer Conference Call Participants Howard Brous - Wellington Shields Brian Russo - Sidoti Ross Taylor - ARS Investment Partners Aaron Warwick - Breakout Investors Avram Fisher - Long Cast Advisers Stephen Fein ...