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Principles of Disinfection
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acid activated sludge air pollution areas bacteria bacterial bactericidal carbon carbon dioxide carbon monoxide caused chemical chloramine chlorine cities clean coagulation coliform compounds concentration containers cooling Courtesy developed digestion dioxide discharge disease disinfection disposal drinking water effective effluent equipment facilities feet fever filter filtration flow frequently gallons garbage health department heat housing infection insecticides installed larvae larvicide material meat methods mosquito odors operation organisms oxidation oxygen particles pasteurization percent pH value pipe plant poisoning Pollution Control practical prevent procedure Public Health Rept Public Health Service pump purification radiation removed reservoirs residual River rodent sand sanitary sanitation sedimentation septic tank sewage treatment sewer shellfish slow sand filter sources spray standards storage strontium-90 surface tank temperature tion toilet U. S. Public Health United usually utensils ventilation washing Water Pollution water supply Water Works Assoc