Environmental challenges, pollution control
Subtitle: the 21st Annual Conference of the Pollution Control Association of Ontario : Regal Constellation Hotel, Toronto, April 12-15, 1992
Contributors: Pollution Control Association of Ontario.
Series: Boojum Research reports -- R0029.
Publisher: The Association
Published: 1992
Place of publication: North York, Ont
Language: eng
Subjects: Environmental protection -- Ontario -- Congresses.; Pollution -- Environmental aspects -- Congresses.; Sewage -- Purification -- Congresses.
Genres: Congresses.
Other titles: Spine title: PCAO Conference 1992; Proceedings 21st Annual Conference of the Pollution Control Association of Ontario; PCAO Conference 1992
Notes: Copy donated by M. Kalin, Boojum Research

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