Disinfection.
D002713:Chlorine / Q000494:pharmacology; D004202:Disinfectants; D005374:Filtration; D006861:Hydrogen Peroxide; D007700:Kinetics; D010126:Ozone; D012486:Salmonella typhimurium; D012722:Sewage; D014780:Viruses; D014871:Water Microbiology; D014881:Water Supply
D004202:Disinfectants; D012722:Sewage; D002713:Chlorine; D010126:Ozone; D006861:Hydrogen Peroxide