The study of pharmaceuticals in the environment as an area of research has only just taken off in recent years. Since the first edition was printed, many research articles on this subject have been published. It is exceedingly difficult for the individual, in particular those not acquainted with the field to establish trends and developments. Even specialists will appreciate this book, as it provides the reader with a well-founded up dated and enlarged overview that addresses the latest findings on the new topics in research.Following the resounding success of the first two editions, this new edition has been brought up to date and greatly extended. It includes the status of research, paying particular attention to sources and contamination of the environment, substance flows, effects, risk assessment and risk management. In line with the newest developments worldwide there are again contributions from well known and new international authors. This volume also caters for the new requirements confronting European and American researchers since publication of the second edition.