Section headings and selected papers. Casthouse Structure and Grain Refining. Influence of base metal grain size on the aluminum weld bead structure, P M Toledo & R E Trevisan. Injection of non-wetting particles into melts, T A Engh & A Johnston. The utilization of niobium as aluminum grain refiner, M H Robert. Carbon. Performance of a paste with a high softening point pitch for Soderberg anodes, M Barber & A Proulx. Modelling of the coke calcining kiln, J Perron et al. Casthouse Process Control and Operations. Mathematical modelling of flows in holding furnaces containing molten aluminum, D Frayce et al. Aluminum and lithium recovery from scraps of aluminum lithium alloys, P H Galvin & M Demange. Computer assisted process analysis of the casting furnace, R T Bui et al. Alumina and Aluminum: Controls and Measurements. The automated control of bath composition on high amperage cells, J M Peyneau. Gas induced waves at the bath-metal interface in Hall-Heroult cells, S Rolseth et al. Cast Alloy Modification. Quality improvement by strontium modification of low pressure aluminum castings, B Closset. Modification of aluminum silicon cast alloys by rare earth addition, E Selcuk. Porosity in aluminum foundry alloys - the effect of modification, D Argo & J E Gruzleski. Alumina and Aluminum: Process and Operations. Start-up of vertical Soderberg potlines at Reynolds Baie-Comeau plant, N Dube. Hydrolysis treatment of cyanides in spent potliner leachate, F Kimmerle et al. Modernization of venalum pots, H Medina et al.