Laboratory
What is a F:M ratio?
What is the Food to Microorganism Raito
What occurs when a mix of untreated sewage and stormwater discharges into waterways due to a combined sewer system's inability to handle excess flow, usually during heavy rainfall?
What is Combined Sewer Overflow (CSO)?
What term describes a measure of the capacity of water to neutralize a strong acid?
What is alkalinity?
What does a wastewater plant NPDES permit provide?
What is the National Pollutant Discharge Elimination System provides pollutant discharge requirements?
What is a genus of filamentous bacteria commonly found in wastewater environments, particularly in situations with high grease content?
What is Nocardia?
What gas is toxic to humans and formed in the anerobic sewer systems when organic matter breaks downs?
What is Hydrogen Sulfide?
What typical wastewater discharge pollutants can cause eutrophication in water bodies downstream of plant effluent discharge(s)?
What Phosphorous and Nitrogen?
What biological contaminants are commonly removed through biological wastewater treatment?
What is Total Nitrogen and Total Phosphorous?
What is sludge age?
What is the average time that suspended solids, or bacteria, are retained in the aeration tank or system?
What valve is most suitable for a throttling application?
What is butterfly valve?
What should an operator do to increase the sludge retention time (SRT)?
What is decrease wasting?
What is a biological layer that forms on the surface of a sand filter in wastewater treatment?
What is a schmutzdecke?
The term that describes the phenomenon that occurs when a liquid is pumped and its local pressure drops below its vapor pressure, causing the liquid to temporarily turn into vapor bubbles?
What is cavitation?