Water Quality Research Journal of Canada

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Volume 24 Number 4

Next Issue: Vol. 25, No. 1, (1990)

Previous Issue: Vol. 24, No. 3, (1989)

Control Systems for the Activated Sludge Process Part I - Modelling. Zdenko Vitasovic and John F. Andrews. Page 479

An Integrated Dynamic Model and Control System for Activated Sludge Wastewater Treatment Plants Part II - Control Systems. Zdenko Vitasovic and John F. Andrews. Page 497

The Adaptation of Anaerobic Granulated Bed to Changes in Loading Rate and Liquid Upflow Velocity in UASB Reactors. N. Kosaric, R. Blaszczyk, and L. Orphan. Page 523

Reactions of Hydroxyl Radicals with Chlorobenzenes: Comparison of TiO2 Photocatalyst Reactions to Fenton's Reagent. G. Lepore and C.H. Langford. Page 537

A Comparison of the Aquatic Toxicity of Fenitrothion Flowable and Fenitrothion Liquid Technical Formulations. W.R. Ernst and K.G. Doe. Page 553

Impact of an Acid Spill on the Resident Fauna of the York River and its Recovery. R. Prairie, K. Schiefer, L.J. Moulins, and V. Chapados. Page 569

Coliphage Presence in Various Types of Potable Water in Thailand. Komol Sivaborvorn and B.J. Dutka. Page 583

Loadings of Selected Chemicals into the St. Lawrence River System from Lake Ontario, 1986 / 87. I.K. Tsanis, J. Biberhofer, C.R. Murthy and A. Sylvestre. Page 589.

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