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WATER QUALITY MANAGEMENT
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acid activated sludge adsorption aeration aerobic air pollution alkalinity anaerobic aquifer atmosphere average bacteria basin biological BOD5 calculated carbon cell chemical chlorine coagulation collection combustion compounds concentration containing cost density determine discharge disinfection disposal distance effect effluent emissions engineering epilimnion Equation eutrophication Example factors filter floc flocculation frequency groundwater hazardous waste hypolimnion incineration lakes landfill liquid material method mg/L as CaCO3 microorganisms nitrogen noise nomograph operating organic oxidation oxygen particles percent phosphorus Pollution Control precipitation problem production pumping rapid sand filter reaction reduce removed river runoff sample sand sedimentation settling sewage shown in Figure soil solid waste sound pressure sound pressure level speed storage sulfuric acid surface Table tank temperature tion treatment plant truck U.S. Government Printing ultimate BOD units velocity volume wastewater treatment Water Pollution water quality water supply zone