Water Quality Research Journal of Canada

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Volume 34 Number 4

Next Issue: Vol. 35, No. 1, (2000)

Previous Issue: Vol. 34, No. 3, (1999)

Foreword

Spatial Characterization of the Occurrence of Road Salts and Their Environmental Concentrations as Chlorides in Canadian Surface Waters and Benthic Sediments. T. Mayer, W.J.Snodgrass and D. Morin. Page 545

Selenium Speciation of Surface Sediments from Saline Lakes of the Soan-Sakesar Valley Salt-Range, Pakistan. Shahzad Afzal, Mohammad Younas and Khadim Hussain. Page 575.

Effects of Irradiation and Freezing on Toxicity of Sewage Sludge Elutriate Samples. Agnes Y. Renoux, Rajeswar D. Tyagi and Rejean Samson. Page 589.

Effects of Dilution and Fungal Pretreatment on Anaerobic Biodegradability of Oxygen Delignification Process Spent Liquor. Laleh Yerushalmi, Jonathan Hodgson, Khalid S. Jasim and Serge R. Guiot. Page 599

Dissolved Organic Carbon Removal from a Prairie Water Supply Using Ozonation and Biological Activated Carbon. Joanne Sketchell, Hans G. Peterson and Nick Christofi. Page 615

Occurrence of Nonylphenol Ethoxylates and Their Metabolites in Canadian Pulp and Paper Mill Effluents and Sludge. Hing-Biu Lee and Thomas E. Peart. Page 633

Structure and Porosity of Alum Coagulation Flocs. B. Gorczyca and J. Ganczarczyk. Page 653

Referees. Page ix

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