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The International journal of risk & safety in medicine, ISSN 0924-6479, 1990
Journal
Journal
Water quality research journal of Canada, ISSN 1201-3080, 1995
Journal
2012, ISBN 9780444543042, 375
This book covers water quality indices (WQI) in depth - it describes what purpose they serve, how they are generated, what are their strengths and weaknesses, and how to make the best use... 
Water quality
eBook
Journal of quality technology, ISSN 0022-4065, 1969
Journal
2014, 2014, ISBN 9789400775565, Volume 9789400775572, xii, 406
This book provides a wide overview of the issues related to managing of air quality in Canada... 
Air quality management | Canada | Environment | Public Health | Atmospheric Sciences | Earth and Environmental Science | Atmospheric Protection/Air Quality Control/Air Pollution | Air
Book