The environmental protection regulations; A.L. de Cesaris. Euromoney - Italian environmental legislation; A. Capria. Protection and management of water resources in the European Community; G. Premazzi. Social and cultural factors influencing environmental policy; B. de Marchi. Managing uncertainty and quality in policy-related research; S.O. Funtowicz. Post-normal science: a new scientific methodology for global environmental issues; S.O. Funtowicz. Scientific tools to support the environmental management; M. Paruccini, G. Munda. Global processes and steady conditions; C. Dejak. Agricultural activities and the achievement of environmental equilibria; P. Sequi. Hydro-geochemical and transport processes of contaminants in soil/water systems; G. Bidoglio. The atmospheric cycles of greenhouse gases; C. Tomasi. Urban air pollution chemistry; I. Allegrini. Natural sources of ionizing radiation; D. Capra, O. Tubertini. Dioactivity in the environment: the Chernobyl experience; M. de Cort, G. Graziani. New technologies for environmental problems: chemometric methods as informatic strategies towards the solution of high complexity problems; R. Todeschini. The role of interlaboratory studies in analytical quality control; H. Muntau. Supercritical fluid extraction; M.C. Rovida. The importance of good sample preparation in capillary gas chromatography; P.J.F. Sandra. Trace metal determinations by atomic spectroscopy; E. Mentasti. Experimental methods for the study of the speciation of heavy metals in natural waters; P. Cescon. The analysis of eutrophic species; A.A. Orio. Organic pollutants in mineral water; M.C. Rovida. Methods for controlling the quality of river waters and for evaluating the pollutant load; G. Queirazza. Technical advances in the biological treatment of wastewater; R. Canzani, G. Andreottola. Industrial processes as sources of pollution; M. Dubini. Prevention and valuable resources of waste. A new approach; L. Morselli. Hazardous waste treatment processes; D. Pitea, M. Lasagni. Bioremediation: treatment of difficult wastes; A.W. Bourquin.