Activated sludge process
Subtitle: analyses and interpretation workshop manual 1972
By: Training, Certification & Safety Section, Ministry of the Environment.
Edition: 3rd ed.
Publisher: Ontario Ministry of the Environment, Training and Licensing Section
Published: 1973
Place of publication: Toronto
Language: eng
Subjects: Sewage -- Purification -- Activated sludge process.; Sewage disposal -- Ontario.; Sewage disposal plants -- Employees -- In-service training -- Ontario -- Handbooks, manuals, etc.
Genres: Handbooks, manuals, etc.
Notes: Includes bibliographical references.