Surface water treatment workshop.
Edition: 3d ed., 2d rev.
Publisher: Training and Certification Section, Personnel Services Branch, Ministry of the Environment
Published: 1979
Place of publication: Toronto, Ont
Language: eng
Number of pages: 300
Subjects: Water -- Purification -- Congresses.
Notes: Includes bibliographical references.
"Developed ... by the Water Technology Section, Pollution Control Branch."