Pollution Control Association of Ontario 1991 Annual Conference
Subtitle: April 21-24, 1991, Skyline Brock, Niagara Falls, Ontario
By: chairman, Brian Evans.
Contributors: Evans, Brian William, 1952-
Publisher: PCAO
Published: 1991
Place of publication: [Toronto]
Language: eng
Subjects: Environmental protection -- Ontario -- Congresses.; Pollution -- Environmental aspects -- Congresses.; Sewage -- Purification -- Congresses.
Genres: Congresses.
Other titles: 1991 PCAO Conference proceedings; Proceedings of the 20th Annual Conference of the Pollution Control Association of Ontario; PCAO 20th Annual Conference :
Notes: Includes bibliographical references.