Maintaining your education is important, especially in a career that demands licensing exams. Prove you’re an expert operator by answering these questions and others from our Exam Study Guide Series.

Also in this week's sewer and water news, scientists with the University of California-Berkeley launch a pop-up lab to test wastewater for COVID-19

Also in this week's water and wastewater news, a study shows 60% of the U.S. population could have PFAS in their drinking water