[Ozone Seminar]
By: Hankin Environmental Systems Inc. in association with the Ontario Ministry of the Environment.
Contributors: Ontario. Ministry of the Environment.
Publisher: Hankin Environmental Systems; Ontario Ministry of the Environment
Published: 1986
Place of publication: [Scarborough, ON]; [Toronto]
Language: eng
Subjects: Water -- Purification -- Ozonization -- Congresses.; Ozone -- Congresses.
Genres: Congresses.
Notes: "February 18, 1986."

Includes bibliographical references.