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040 |aCaOODSP|beng|erda|cCaOODSP
043 |an-cn---
0861 |aEn4-550/2001E-PDF
1001 |aHewings, John, |eauthor.
24510|aAir quality indices : |ba review / |ca report prepared for Environment Canada by Pollution Probe ; author: John Hewings.
264 1|a[Toronto?] : |bPollution Probe, |cOctober 2001.
300 |a1 online resource (63 pages)
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
500 |aCover title.
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references.
520 |a"This report provides background information that Pollution Probe hopes will assist in the development of a national Air Quality Index in Canada. It includes a historical review that explains how the index was devised and modified, and how it has been used in various parts of Canada"--Executive summary, page 7.
650 0|aAir quality management|zCanada.
650 0|aAir quality indexes|zCanada.
650 0|aAir quality|zCanada|xMeasurement.
650 6|aAir|xQualité|xGestion|zCanada.
650 6|aAir|xQualité|xIndices|zCanada.
650 6|aAir|xQualité|zCanada|xMesure.
7101 |aCanada. |bEnvironment Canada, |eissuing body.
7102 |aPollution Probe, |eissuing body.
85640|qPDF|s264 KB|uhttps://publications.gc.ca/collections/collection_2024/eccc/en4/En4-550-2001-eng.pdf