Primary treatment and sludge digestion workshop.
Edition: 1st ed.
Publisher: Ministry of the Environment
Published: 1977
Place of publication: Toronto
Language: eng
Subjects: Sewage sludge digestion -- Handbooks, manuals, etc.; Sewage -- Purification -- Handbooks, manuals, etc.; Sewage disposal plants -- Employees -- In-service training -- Ontario -- Handbooks, manuals, etc.
Genres: Handbooks, manuals, etc.
Notes: "January 1977."