Air quality trends in Ontario, 1971-1979
By: by K.C. Heidorn.
Contributors: Ontario. Air Quality and Meteorology Section
Publisher: Ontario Ministry of the Environment, Air Quality and Meteorology Section
Published: 1981
Place of publication: Toronto, Ont
Language: eng
Number of pages: 53
Subjects: Air quality -- Ontario; Air -- Pollution -- Ontario.; Air -- Pollution -- Measurement.; Air -- Pollution -- Standards.
Notes: "Report number ARB-017-81-AQM".

Bibliogr.

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