Oxygen activated-sludge wastewater treatment systems
Subtitle: design criteria and operating experience
By: [prepared by E.A. Wilcox and Ariel Thomas].
Contributors: Wilcox, E. A.; Thomas, Ariel.; United States. Environmental Protection Agency. Technology Transfer Program.
Edition: [Revised version].
Series: EPA Technology Transfer Seminar publications -- 625/4-73-003a
Publisher: Environmental Protection Agency
Published: 1974
Place of publication: [Washington DC]
Language: eng
Number of pages: 41
Notes: 'Prepared for the US Environmental Protection Agency Technology Transfer Program' - acknowledgments.

Originally published 1973.