Effluent treatment in the metal finishing industry : legal and technical considerations of the neutralisation and disposal of acid and alkaline wastes, methods of minimising wastes, recovery of pure water, chromic acid, and other valuable constituents, costs and methods of analysis / by Robert Weiner ; translated from the German and with some additions by the staff of Electroplating and metal finishing ; with appendixes on the legal position in Great Britain, the U.S.A., and Canada by Lord Meston and Leslie E. Lancy.