Air quality trends in Ontario, 1971-1982
By: by K.C. Heidorn.
Contributors: Ontario. Air Quality and Meteorology Section
Series: Report / Air Quality and Meteorology Section --  no. ARB-131-84-AQM
Publisher: Air Quality and Meteorology Section, Air Resources Branch, Ontario Ministry of the Environment
Published: 1984
Place of publication: [Toronto]
Language: eng
Number of pages: 53
Subjects: Air quality -- Ontario.; Air -- Pollution -- Ontario.