National urban air quality trends, 1974-1981
By: Tom Furmanczyk.
Series: Environmental Protection Service report series
Publisher: Environment Canada, Environmental Protection Service
Published: 1984
Place of publication: Ottawa, Ont., Canada
Language: eng
Number of pages: 53
Subjects: Air quality -- Canada.; Environmental monitoring -- Canada.
Notes: Bibliography: p. 49.
"December 1984."
"EPS 7/AP/14."