Prof. Dr. Jörg E. Drewes is the Chair Professor of Urban Water Systems Engineering at the Technical University of Munich (TUM), Germany. Previously, he served as Full Professor of Civil and Environmental Engineering at the Colorado School of Mines, U.S.A. (2001-2013) and Director of Research for the National Science Foundation Engineering Research Center on Reinventing the Nation's Urban Water Infrastructure. Dr. Drewes has published more than 300 journalpapers, book contributions, and conference proceedings.Prof. Dr. Thomas Letzel is an analytical chemist with almost 20 years of professional experience in the field of analytical screening techniques using liquid and gas phase chromatography with mass spectrometric detection. Prof. Letzel is head of the Analytical Research Group at the Chair of Urban Water Systems Engineering at the Technical University of Munich (TUM), Germany. Dr. Letzel is author and co-author of more than 150 journal papers, book contributions, conference proceedings, and threebooks.

• Preface Relevance of Transformation Products in the Aqueous Environment and International Strategies for ManagingCECs in Water1. Chemicals of Emerging Concern and Their Transformation Products in the Aqueous Environment 2. An Assessment of International Management Strategies for CECs in WaterNew Methods for a Comprehensive Assessment of Transformation Products3. HRMS Approaches for Evaluating Transformations of Pharmaceuticals in the Aquatic Environment 4. Statistical Approaches for LC-HRMS Data To Characterize, Prioritize, and Identify Transformation Products from Water Treatment Processes 5. Lab-Based Approaches To Support the Screening and Identification of Transformation Products by LC-HRMS 6. New (Practical) Strategies in Target, Suspects, and Non-Target LC-MS(/MS) Screening: Bisoprolol and Transformation Products as an Example 7. Widening the Analytical Perspective: Polarity Extended Separation for Monitoring of Trace Organic Compounds in Surface Water MatricesFate and Transport of Transformation Products in Natural Systems8. Fate of Neonicotinoid Pesticides During Wastewater and Wetland Treatment 9. Identifying Toxic Biotransformation Products of the Insensitive Munitions Compound, 2,4-Dinitroanisole (DNAN), Using Liquid Chromatography Coupled to Quadrupole Time-of-Flight Mass Spectrometry (LC-QToF-MS) 10. Transformation and Products of Organic Micropollutant in Water during Electro-Enzymatic Catalysis 11. Linking Trace Organic Chemical Attenuation to Microbiome Metabolic Capabilities: Insights from Laboratory- and Full-Scale Managed Aquifer Recharge SystemsEditors' Biographies Indexes

Prof. Dr. Jörg E. Drewes is the Chair Professor of Urban Water Systems Engineering at the Technical University of Munich (TUM), Germany. Previously, he served as Full Professor of Civil and Environmental Engineering at the Colorado School of Mines, U.S.A. (2001-2013) and Director of Research for the National Science Foundation Engineering Research Center on Reinventing the Nation's Urban Water Infrastructure. Dr. Drewes has published more than 300 journalpapers, book contributions, and conference proceedings.Prof. Dr. Thomas Letzel is an analytical chemist with almost 20 years of professional experience in the field of analytical screening techniques using liquid and gas phase chromatography with mass spectrometric detection. Prof. Letzel is head of the Analytical Research Group at the Chair of Urban Water Systems Engineering at the Technical University of Munich (TUM), Germany. Dr. Letzel is author and co-author of more than 150 journal papers, book contributions, conference proceedings, and threebooks.

• Preface Relevance of Transformation Products in the Aqueous Environment and International Strategies for ManagingCECs in Water1. Chemicals of Emerging Concern and Their Transformation Products in the Aqueous Environment 2. An Assessment of International Management Strategies for CECs in WaterNew Methods for a Comprehensive Assessment of Transformation Products3. HRMS Approaches for Evaluating Transformations of Pharmaceuticals in the Aquatic Environment 4. Statistical Approaches for LC-HRMS Data To Characterize, Prioritize, and Identify Transformation Products from Water Treatment Processes 5. Lab-Based Approaches To Support the Screening and Identification of Transformation Products by LC-HRMS 6. New (Practical) Strategies in Target, Suspects, and Non-Target LC-MS(/MS) Screening: Bisoprolol and Transformation Products as an Example 7. Widening the Analytical Perspective: Polarity Extended Separation for Monitoring of Trace Organic Compounds in Surface Water MatricesFate and Transport of Transformation Products in Natural Systems8. Fate of Neonicotinoid Pesticides During Wastewater and Wetland Treatment 9. Identifying Toxic Biotransformation Products of the Insensitive Munitions Compound, 2,4-Dinitroanisole (DNAN), Using Liquid Chromatography Coupled to Quadrupole Time-of-Flight Mass Spectrometry (LC-QToF-MS) 10. Transformation and Products of Organic Micropollutant in Water during Electro-Enzymatic Catalysis 11. Linking Trace Organic Chemical Attenuation to Microbiome Metabolic Capabilities: Insights from Laboratory- and Full-Scale Managed Aquifer Recharge SystemsEditors' Biographies Indexes