title: Preface. Implementation of the Water Framework Directive.
authors.affiliation: Department of Environmental Chemistry, IIQAB-CID, Consejo Superior de Investigaciones Cientificas, C/Jordi Girona 8-26, Barcelona, Spain. dbcqam@cid.csic.es
authors.forename: Damià
authors.initials: D
authors.lastname: Barceló