Biological Solids and Sludges – Handling, Processing, and Reuse Tuesday, January 16, 2024  Fredonia Village Hall 242 Fredonia Avenue, Fredonia, WI 53021 (6 Wastewater Credits/6 General Septage Credits) The room will open at 7:30 AM with the class starting promptly at 8:00 am. The class will end at 3:00 pm. 8:00 am – 8:45 am: ... Biological Solids and Sludges – Handling, Processing, and Reuse (6 Wastewater Credits/6 General Septage Credits)