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 The Purpose of Wasting and Lead and Copper Rule Requirements. This time you can test your knowledge about MPN testing and water distribution service lines.
Wastewater Treatment Sample QuestionThe MPN (Most Probable Number) method for fecal coliform testing has become one of the most common methods for testing. What is a disadvantage for MPN fecal coliform analysis?
A. Sample toxins are dilutedB. Cannot be analyzed by membrane filtration C. Difficult to interpret, either by
