Exam Study Guide - January 2021

Licensing exams can be challenging. Our Exam Study Guide helps you prepare by presenting questions similar to those on an actual exam. You can find many more sample questions on the TPO website at www.tpomag.com/study.

January 2021
Exam Study Guide

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Wastewater Water Education Education/Training Licensing Exam Exam Tutor Membrane Bioreactor (MBR) Confined Space Entry

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WASTEWATER

By Rick Lallish

While performing the daily walk-through at an aerated lagoon treatment plant, you notice surface bubbling throughout the primary lagoon, except in one area. In this area, the surface is calm and uninterrupted. What is the most probable problem?

A....

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