Wastewater Operator

Wastewater Treatment Operator Certification 80 QUESTIONS WITH VERIFIED ANSWERS 2023 ALL COMPLETE. 1. What is the typical BOD removal efficiency in a primary clarifier? A) 10 to 15% B) 40 to 60% C) 20 to 50% D) 95 to 99%: C) 20 to 50% (v.1 pg 129) 2. What does the "F" in F/M ratio represent? A) The microorganism population in the aeration tank B) The amount of filamentous bacteria in the activated sludge process C) The MLVSS in the aeration tank D) The food for the microorganisms ...

Clean Water Act Correct Answer: 1977 primary legislation concerning water pollution and its regulation. It establishes the NPDES permit system that prohibits point sources from discharging pollutants into waters of the United States. EPA Correct Answer: Environmental Protection Agency is an agency of the federal government of the United States charged with protecting human health and the environment by writing and enforcing regulations based on laws passed by Congress NPDES Correct Answe...