Report on Best Available Techniques (BAT) in Copper Production FINAL DRAFT Deutsch-Französisches Institut für Umweltforschung (DFIU) French-German Institute for Environmental Research University of Karlsruhe (TH) o. Prof. Dr. O. Rentz Dipl.-Ing. Martin Krippner, Dipl.-Ing. Stephan Hähre, Dr. Frank Schultmann Karlsruhe, March 1999 On behalf of the German Federal Environmental Agency, Berlin (UBA) in the frame of the Research Project 109 05 006