Feasibility study of open tank oxygen activated sludge wastewater treatment
By: Kerwin R. [i.e. L.] Rakness.
Contributors: Municipal Environmental Research Laboratory.
Publisher: U.S. Environmental Protection Agency, Municipal Environmental Research Laboratory; Center for Environmental Research Information [distributor]
Published: 1981
Place of publication: Cincinnati, OH
Language: eng
Subjects: Sewage -- Purification -- Activated sludge process.
Notes: Caption title.

At head of title: Project summary.

"July 1981."

"EPA-600/S2-81-095."