Updated summary of the operational control procedures for the activated sludge process
By: by Alfred W. West
Contributors: United States. Environmental Protection Agency. Office of Water and Hazardous Materials
Publisher: Environmental Protection Agency, Office of Water and Hazardous Materials
Published: 1978
Place of publication: Washington]
Language: eng
Subjects: Sewage sludge digestion; Sewage disposal plants
Notes: Issued Jan. 1978.