Basic water treatment operation
By: Training and Certification Section, Personnel Services Branch, Ministry of the Environment.
Edition: 4th ed.
Publisher: The Section
Published: 1976
Place of publication: Toronto
Language: eng
Subjects: Water -- Analysis -- Study and teaching.; Water -- Purification -- Handbooks, manuals, etc.; Water quality management -- Ontario.; Water -- Bacteriology; Water -- Purification
Notes: "June 1976."

Includes bibliographical references.