The protozoa that causes dysentery would most likely be destroyed by {Ans: Disinfection}Chemical characteristics of sewage include {Ans: solids, greases, dissolved oxygen, O2 Demand, pH, and gasses}Total Dissolved Solids (TDS) are those that {Ans: cannot be filtered out}The minimum separation between sewer lines and potable water lines is {Ans: 9 feet}Aerated Lagoons rely on ______ to provide ____and _____ {Ans: Mechanical aeration/ Aeration & mixing}Landfill applied sludge must have a solids content of at least _________percent {Ans: 20}