Performance of the Somerset, Ohio, oxidation ditch.
D007220:Industrial Waste; D008722:Methods; D009820:Ohio; D010084:Oxidation-Reduction; D010101:Oxygen Consumption; D012498:Sanitary Engineering; D012621:Seasons; D012722:Sewage; D014876:Water Pollution / Q000517:prevention & control*
D007220:Industrial Waste; D012722:Sewage