Welcome back to TPO magazine's Exam Study Guide Series, which offers a pair of water/wastewater study questions with in-depth explanations of the answers. Last time, we covered a set of wastewater and drinking water treatment questions on the topics of Pump and Motor Misalignment and Flow Rate Calculations. This time you can test your knowledge about the purpose of wasting and Lead and Copper Rule requirements.
Wastewater Treatment Sample QuestionEven though there are many ways to determine wasting amounts, what is the main purpose of wasting?
A. Maintain acceptable sludge blanket depthB. Maintain proper facultative levels in the lagoonC. Maintain effluent total suspended solids requirementsD. Maintain a sludge age that produces the
