Section 1: Groundwater and aquifer contamination Hydrochemical investigations on waste disposal areas of industrial activities at Rio Claro, S?o Paulo, Brazil; The protection of aquifers that are subject to land pollution sources; Pollution vulnerability of the Cerva aquifers; Groundwater pollution in heterogeneous soils; Groundwater risk assessment for a Polycyclic Aromatic Hydrocarbons (PAH) contaminated site; benchmarking and validation of numerical transport models; Geological constraints on the location of industrial waste landfills in Salento karst areas (Southern Italy); Detection of polluted ground water by spontaneous electrical potential; Modeling of groundwater flow and contaminant transport using dual reciprocity BEM. Section 2: Wastewater treatment Integrated management of urban water systems to reuse waste waters; Evaluation of hydraulic conductivity in a phragmites wastewater treatment plant; Feasibility analysis of photocatalytic wastewater treatment; Performance of up-flow anaerobic filter treating wastewater from Saa paper; Characterisation of effluent discharges from edible oil producing industries in Bulawayo, Zimbabwe; Wastewater treatment with gold recovery through adsorption by activated carbon; Experiences with solar application of photocatalytic oxidation for dye removal from a model textile industry wastewater; Effects of polymer conditioning on alum sludge characteristics: a review; The performance of a selector to solve bulking sludge problem in an activated sludge process. Section 3: Lakes, rivers and wetlands River water quality modelling - parameter uncertainty, sensitivity and estimation; Preliminary multivariate analysis of chemical composition of the rivers in Slovenia; Sedimentary records of organochlorine contaminants in Central Chilean Lakes; Use of bacteriophages as a model for assay on removal of stormwater viral pollution in constructed wetland and detention pond systems; Influence of antropogenic pollution of the river Zarafshan on intestinal infection morbidity of the population; Dynamic modeling for purification of eutrophic waters: On buffer zones management in farm communities and its political economy Section 4: Coastal areas and seas Split submarine outfall impact assessment and pollutant transport modelling; Ecological characteristics of seawater in the vicinity of submarine outfalls; Cost-effective versus proportional nutrient load reductions to the Baltic Sea: Spatial impact analysis with a 3D-ecosystem model; Toxicity of contaminated harbour sediment to grey mullet, Liza macrolepis. Section 5: Biological effects Contamination of the Caspian Sea ecosystem with organic pollutants; Studying the bioaccumulation of chemicals in aquatic organisms: PCBs in fish; The effect of environment on the biofilm formation and the production of exopolymers; Potential of the small aquatic plans Azolla and Lemna for nitrogenous compounds removal from wastewater; Characteristic of initial enzyme activity of phenol catabolism in Candida maltosa cells; Characteristics of the productivity structure in the coastal areas along the Kansai International Airport Island, Japan. Section 6: Organic contaminants Phthalate contamination in potable waters of Rio de Janeiro City; Effect of polychaete bioturbation on sediment-water fluxes of pyrene or cadmium; Formation of organochlorine by-products during chlorination of wastewaters containing cyclohexene and butanol; Investigation on organics in the Libyan beach sand and water: extraction, spectroscopy and gas chromatography Bsees to Zuwaitinah coastline. Section 7: Agricultural pollution. Agricultural water reuse: a review; Model system for the management of nitrogen leaching at the scale of river basin and regions. Section 8: Oil spills A statistical approach on oil pollution in Greek Seas; Development of high-effective oil sorbents on the basis of microencapsulation/microgranulation techniques. Section 9: Mathematical and physical modelling Modelling the diffusion of lead into drinking water; An iterative method for the solution of dispersion equation in shallow water; The estimation of vertical eddy diffusivity in estuaries; How to estimate the run duration of a horizontal-flow roughing filter; Simulation models of quantity and quality of water supply - a case study of the Bracan?a West Zone. Section 10: Experimental and laboratory work Measurement of diffusion coefficients of humic substances in a hydrogel and in water by fluorescence correlation spectroscopy; Diffusion in pulverized stone, a potential liner material; Measurement of the surface water reaeration coefficient using Kr as a gas tracer; The Mhlathuze river catchment: Bacterial contamination and antibiotic resistance patterns of the isolates; Measurements of dissolved oxygen in an impounded stratified estuary; Detection of metallic elements in aqueous solutions.