Activated Sludge Microscopy Course June 18, 2025 – University Research Park, 505 S. Rosa Road, Madison, WI 53719 (6 Wastewater Credits) The class will start promptly at 9:30 am. The class will end at 3:30 pm. 9:30 am – 9:45 am: Microscopy introduction - Advantages of using microscopy in the activated sludge process, specific areas ... Activated Sludge Microscopy Course (6 Wastewater Credits)