Exam Study Guide - January 2023

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.


By Rick Lallish

When using sand beds to dry biosolids, what is the probable cause of excessive odor when the material is applied, and what is the best solution?

A. Clogged wedge wires in underdrain, high pressure spray at discharge point

B. Over-digested biosolids,...

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