Use the following to convert pounds (lb) to milligrams per liter (mg/L):

Quantity (lb)

Concentration (mg/L) =

Problem: The aeration tank contains 89,990 pounds of solids. The volume of the aeration tank is 4.45 MG. What is the concentration of solids in the aeration tank in milligrams per liter?


Concentration =-= 2425 mg/L

Use the following to convert pounds per day (lb/day) to milligrams per liter (mg/L):

Concentration (mg/L) = Quantity (lb/day)

Problem: The disinfection process uses 4820 pounds per day of chlorine to disinfect a flow of 25.2 MGD. What is the concentration of chlorine applied to the effluent?


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