Section headings and selected papers: Preface. Wastewater Treatment from Specific Industries. Fish processing wastewater: emission factors and high load trickling filters evaluation, P Battistoni et al . Anaerobic-aerobic pretreatment of waste paper mill effluent, H Kroiss et al. Soft drinks industry wastewater treatment, L Tebai & I Hadjiva;silis. National Policies and Control. Control of industrial wastewater discharges in the North West of England, C Belshaw & T J Fishe;. Industrial wastewater management in developing countries, N K Pareek. The option to discharge industrial or sewage effluent to the marine environment, W A M Botes & K S Russe;l. Design and Operation. A pilot-plant study to salvage a full-scale treatment plant, Y H Yu & K S L Lo.;Integrated computer aided process design of wastewater treatment plants on a PC system, M Spinos & D Marinos;Kouris. Aerobic thermophilic waste sludge treatment, C A Mason et al . Removal of Hazardous Chemicals. Lead and cadmium removal by ion exchange, E Maliou et al. Chlorophenol degradation under oxic and anoxic conditions, J A Puhakka et al. The fate and transport of hazardous chemicals in the subsurface environment, H G Doust & J-C Huang; Subject index.