Solid wastes and water quality.
D000332:Aerobiosis; D000693:Anaerobiosis; D002245:Carbon Dioxide; D005374:Filtration; D017955:Poliovirus / Q000032:analysis; D012037:Refuse Disposal; D014867:Water / Q000032:analysis; D014876:Water Pollution; D014881:Water Supply
D014867:Water; D002245:Carbon Dioxide