Microbiology of waste treatment.
D000693:Anaerobiosis; D001673:Biodegradation, Environmental; D004203:Disinfection; D008670:Metals / Q000633:toxicity; D011108:Polymers; D012722:Sewage; D014780:Viruses; D014871:Water Microbiology
D008670:Metals; D011108:Polymers; D012722:Sewage