This North Atlantic Treaty Organization (NATO) Advanced Research Workshop (ARW) was devoted to Wastewater Reuse Risk Assessment, Decision-Making and Environmental Security held in Istanbul, Turkey, at the Hotel Villa Suites, Taksim during October 1216, 2006. More than 100 scientists had requested to parti- pate but only 63 could attend the meeting representing 20 countriesAzerbaijan, Canada, Czech Republic, Egypt, Greece, Italy, Israel, Jordan, Kyrgyzstan, Lithuania, Portugal, Romania, Spain, The Netherlands, Tunisia, Turkey, Turkmenistan, Ukraine, United States of America, and Uzbekistan. 48 papers and 10 posters were presented; only 45 research papers were selected and put in this proceedings manual. Other papers, although they had good information, could not be included due to poor data, not related to the topic or failed to meet the deadline. You may feel some difficulty in understanding some of the papers due to the fact that they were initially written in presenter's home language and then translated into English by nonscientific people, who have very little knowledge or interest in putting correct scientific terms. Financial support came from the NATO Program for Security through Science, Public Diplomacy Division and sponsored by the Society of Risk Analysis (SRA). Twelve (12) individual participants contributed towards their travel and two (2) for their living expenses.

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and Risk Assessment Methods: Environmental Hazard Impact.- Effects of Mining Activities on Water around the Çanakkale Plain, Turkey.- Development of a Decision Support System for Wastewater Reuse in the Middle East.- Wastewater Treatment in the Mediterranean Countries.- Risk/Cost Analysis of Sustainable Management of Wastewater for Irrigation: Supply Chain Approach.- Direct Osmosis Technique: New Approach to Wastewater Reuse in Uzbekistan.- Wastewater ReuseCase Studies.- Wastewater Management, Treatment, and Reuse in Israel.- Soil Aquifer Treatment Areas in Tunisia: Jerba Island.- Wastewater Use in Jordan: An Introduction.- Municipal Water Reuse in Tucson, Arizona, USA.- Current Risk Management PracticesDeveloped Countries.- Dairy Wastewater Treatment with Effective Microorganisms and Duckweed for Pollutants and Pathogen Control.- Optimization of Treatment Train for Water Reuse Schemes in the Czech Republic.- Risk Assessment/International Conflicts.- Ranking of Ecological Risks Related to Wastewater Management.- Risk Assessment of Wastewater Contaminated with Radionuclides Using Arabidopsis thaliana L. Plants.- Multicriteria Decision-Making Tool for Optimal Water Resource Management.- Risk-Based Decision Support of Water Resource Management Alternatives.- Risk Assessment Methods: Hazard Impact of Treatment Methods.- Assessment of Three Wastewater Treatment Plants in Turkey.- Pollution Potential of the Shallow Aquifers in Jordan.- Efficiency of Oxidation Ponds for Wastewater Treatment in Egypt.- Combining Wastewater Irrigation with Desalination: A Multidisciplinary Approach.- Risk Assessment: Economic and Managerial Aspects.- Wastewater Reuse, Risk Assessment, Decision-MakingA Three-Ended Narrative Subject.- Guidelines for Irrigation Management of Saline Watersare Overly Conservative.- Pricing of Water and Effluent in a Sustainable Salt Regime in Israel.- Regional Planning of Wastewater Reuse for Agricultural Irrigation and River Rehabilitation.- Risk Assessment/National Policy Making Interface.- Sewerage Infrastructure: Fuzzy Techniques to Manage Failures.- Guidelines for Good Practice of Water Reuse for Irrigation: Portuguese Standard NP 4434.- Farmers' Demand for Recycled Water in Cyprus: A Contingent Valuation Approach.- Evaluating the World New Health Organization's 2006 Health Guidelines for Wastewater.- Current Risk Management Practices.- New Standards for Treated Wastewater Reuse in Israel.- Wastewater Reuse in Israel Risk Assessment.- Life Cycle Assessment, a Decision-Making Tool in Wastewater Treatment Facilities.- Radiation-Thermal Purification of Wastewater from Oil Pollution.- Analysis of Antibiotic Resistance Patterns of Fecal Enterococcus in Coastal Waters of Puerto Rico.- Effects of Wastewater Irrigation on Chemical, Microbiological and Virological Status of Soil.- Quantitative Risk Assessment and Policy MakingImpact on Soils and Health.- Risk Assessment on Population Health.- Thermal Treatment of Wastewater from Cheese Production in Turkey.- Environmental Aspects of Wastewater Reuse.- Wastewater Reuse in Israel and in the West Bank.- Wastewater Management in Egypt.- Decision-Making and Risk AssessmentInternational Conflicts.- Health Assessment of Wastewater Reuse in Jordan.- Wastewater Risk Assessment of Polyester Cabins in Egypt.- Removal of Uranium from Wastewater in Turkey.- Wastewater Management and its Sustainable Use in Turkey.- Wastewater Treatment Using New Chelating Grafted Membrane.- The Wastewater TreatmentThe Sustainable Development Strategy in Lithuania.