Section 1 Water quality issues: Geogenic factors affecting the selenium (IV) distribution in sediments from Madeira River basin, Brazil; Chemical composition and water quality of surface waters in Ukraine; Ecological state of the upper Dniepr and its basin and prospects for the future; Monitoring of water quality and hydrodynamic model of pollution load in Dniepr transboundary river. Section 2 Air pollution: The influence of constructional features and of buildings on indoor Rn entry: experimental research in Catania city, Italy; Evaluation of PM in Flanders; Comparison of air-purification characteristics for potted Golden Hahnii and Warneckii. Section 3 Radiation fields: Application of magnetic fields to the decontamination and cleansing of Co-60 contaminated oils, through the extraction of ferromagnetic sludge; Magnetic field reduction by means of active shielding techniques. Section 4 Accident and man-made risks: Environmental impact of hazardous waste landfill breakdown; Mine haul road fugitive dust emission and exposure characterization; Measuring low concentrations of asbestos fibers in environmental air samples from asbestos roofed houses; Are people willing to pay to avoid contamination? Evidence from housing values in Belgium; Numerical assessment for fire safety in school buildings; Measurement and evaluation of whole-body vibrations. Section 5 Aral Sea problems: Comparison of the incidence of diarrhoeal diseases in two regions of the Aral Sea area, Uzbekistan; Environmental disruption and human health: reduction of the Aral Sea and the residents' health problems. Section 6 Risk analysis: Risk analysis of persistent chlorinated organic compounds, dioxins and PCBs in Japan; The use of pollutants fate simulation models in the risk analysis; Preliminary risk assessment of old landfills in Italy. Section 7 Analysis of urban road transportation systems in emergency conditions: Urban transportation system analysis in emergency conditions; Evolution of an urban transportation system in emergency conditions: analysis through a pseudo-dynamic assignment model; Use of a mesoscopic dynamic assignment model for approaching the evolution of an urban transportation system in emergency conditions; Microscopic approach for the evaluation of an urban transport system in emergency conditions; Analysis and comparison of several urban road transportation assignment models in emergency conditions.