Before revision: Effluent from the final polishing pond may be suitable for discharge to natural receiving waters.Hammer (1975) pp.399-402 Oxygen transfer Objectionable odors are likely when the rate of oxygen transfer from the lagoon surface is less than the rate of oxygen consumption in the lower levels of the lagoon.
After revision: and algaeEffluent from the final polishing pond may be suitable for discharge to natural receiving waters.Hammer (1975) pp.399-402 Oxygen transfer Objectionable odors are likely when the rate of oxygen transfer from the lagoon surface is less than the rate of oxygen consumption in the lower levels of the lagoon.