Expansion or upgrading of an existing sewage system
Subtitle: class environmental assessment document
By: Ecologistics Limited, De Leuw Cather Canada Limited.
Contributors: Ecologistics Limited.; De Leuw, Cather & Company of Canada.; Ontario. Ministry of the Environment.
Publisher: Ontario Ministry of the Environment
Published: 1979
Place of publication: [Toronto]
Language: eng
Number of pages: 98
Subjects: Sewage disposal -- Ontario.; Water-supply engineering -- Environmental aspects.; Sewage -- Environmental aspects -- Ontario.
Notes: "December 1979."

Includes bibliographical references.