Last edited by Daishura
Wednesday, July 29, 2020 | History

2 edition of Air quality trends in Ontario, 1971-1979 found in the catalog.

Air quality trends in Ontario, 1971-1979

K. C Heidorn

Air quality trends in Ontario, 1971-1979

by K. C Heidorn

  • 235 Want to read
  • 37 Currently reading

Published by Ontario Ministry of the Environment, Air Quality and Meteorology Section in Toronto, Ont .
Written in English

    Subjects:
  • Air quality -- Ontario,
  • Air -- Pollution -- Ontario.,
  • Air -- Pollution -- Measurement.,
  • Air -- Pollution -- Standards.

  • Edition Notes

    Statementby K.C. Heidorn.
    ContributionsOntario. Air Quality and Meteorology Section
    Classifications
    LC ClassificationsTD"883.7"C3"H44
    The Physical Object
    Pagination53 p :
    Number of Pages53
    ID Numbers
    Open LibraryOL21662221M

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Air quality trends in Ontario, 1971-1979 by K. C Heidorn Download PDF EPUB FB2

New National Ambient Air Quality Standard (NAAQS) - On October 5,the EPA established a new ambient air quality standard for~lead of ug/m3 for a calendar quarter-year average.

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