Proceedings of a seminar held in Porto Alegre, Brazil, in 1990. (Previously published as Water Science and Technology Vol 24, No.11).
Selected papers: Groundwaters in location of Chernobyl atomic station and their contamination with radionuclides after the accident, N I Ivanushkina & G P Ryabt;eva. Long-term land application of activated sludge from a petrochemical wastewater treatment plant: I - leachate quality, Z Simon et al . Water quality factor identification by the "principal components" statistical method, A Melloul & M Collin.;Development and applications of a wellhead protection area delineation computer program, N Guiguer & T Franz. ;he optimization of the groundwater supply system in Shi Jiazhuang City, China, X Lin & Y Yang. Q;antity and quality of groundwater in the Campo de Dalias (Almeria, SE Spain), A Pulido Bosch et al . Groundwaters of the Ukrainian Polessje (woodlands) after the accident at Chernobyl atomic station, G P Ryabtseva et al . Characterization of hydrological and hydrochemical cycles as a tool for evaluation of environmental impact of mining in Serra dos Carajas, Amazonia, Brazil, I Weissberg. The behaviour of vinasse constituents in the unsaturated and saturated zones in the Botucatu aquifer recharge area, E Gloeden et al . Uranium isotopes as radioactive pollutants in groundwaters of the Morro do Ferro thorium deposit, Brazil, D M Bonotto. Forecast and prevention processes for groundwater exploitation in Curitiba, Brazil, D A Giusti. Sensitivity analysis of clay barriers, M M Nobre & J F Sykes; Numerical modelling of the fate of residual immiscible fluids in saturated porous media, N Guiguer. Remedial action for an industrial open dump - proposed activities and prospectives, C Bernardes Jr et al . Subject index.