Management of intentional and accidental water pollution Potential water quality problems posed by international accidental interventions Veska Kambourova Quantitative health risk assessment resulting from groundwater contamination of an abandoned open field chemical waste burning site Gyula Dura [and others] Acute and chronic toxicity of chemical warfare agents and warfare toxins in drinking water Hermann H. Dieter Lessons learned from the cyanide and heavy metal accidental water pollution in the Tisa River basin in the year 2000 Ferenc László Environmental contamination on former military sites and hazards to the drinking water in Germany: inventory and health risk assessement of environmental contaminants Hans Martin Mulisch Contamination of water basins of Armenia by persistent organic pollutants Anahit Aleksandryan Pesticide risk assessment to project aquatic systems Domenica Auteri and Manuela Mangiarotti Identification and characterization of biological risks for water Joan B. Rose Biological agents like threat causing ones or tools for detecting hazards Andrea Törökné Microbial resistance to chemical contaminants an essential precondition of natural attenuation in groundwater aquifer Zdenek Filip and Katerina Demnerova Specific biological threats in western Mediterranean region Taleb Hamid Reqia Sagou Rachid Amanhir Is environmental pollution with polychlorinated biphenyls a problem for Bulgaria Tomislav Rizov [and others] Does surface water treatment need special measures in the Czech Republic Vladimír Bencko Water management in Republic of Moldova. Principal threats Nicolae Opopol Water management in Morocco Hamid Taleb The Romanian national accidental and intentional polluted water management system Liviu Daniel Galatchi Risk for pregnant women due to biological and chemical pollution of drinking water Anna Potapenko Chemical terrorism: threats to water supplies Alfred Bernard and Claire de Burbure Water frame directive an effective approach for pollution prevention of water sources in case of emergencies at river basin level Galina Gopina Water quality management in agriculture: the case of Lombardy North Italy Carlo Riparbelli [and others] Principles of chemical water safety for reproductive health protection Olga Sivochalova and Sofyia Plitman Maintenance and improvement of drinking water safety with especial regard to its role in food safety Mátyás Borsanyi and Gyula Dura Pesticides and surface water. The role of modeling as a tool to manage contamination Giovanna Azimonti and Giuseppe Triacchini Low cost adsorbents for the removal of nitrophenols from waste waters Bogdana Koumanova and Zvezdelina Yaneva Actualizing water ethics in the regional context of the Arab world Magdy Hefny Ethical aspects of water pollution and management Peter Smalko Ensuring adequate reaction in case of extreme water pollution through training and education Iona S. Bocsan and Maria Irina Brumbeciu Round table discussion Possible biological threats for Europe Andrea Törökné Water security and the threats from biological agents of concern Joan B. Rose Findings conclusions and recommendations.