Evaluation and documentation of the effects of operation and maintenance practices on the performance of selected biological treatment plants
By: Albert C. Gray, Paul E. Paul, and Hugh D. Roberts
Contributors: Paul, Paul E; Roberts, Hugh D; Municipal Environmental Research Laboratory
Publisher: U.S. Environmental Protection Agency, Municipal Environmental Research Laboratory; Center for Environmental Research Information [distributor]
Published: 1982
Place of publication: Cincinnati, OH
Language: eng
Subjects: Sewage -- Purification -- Biological treatment
Notes: Caption title

At head of title: Project summary

"August 1982."

"EPA-600/S2-82-050."