BS EN IS0 10634:2018 BSl Standards Publication Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium bsi. BSENIS010634:2018 BRITISH STANDARD National foreword This British Standard is theUK implementationof ENIS010634:2018. Itis identical toIS010634:2018.It supersedesBSENIS010634:1996, which is withdrawn. TheUKparticipationinitspreparationwas entrusted to Technical Committee EH/3/5, Biological Methods. A list oforganizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. @ The British Standards Institution 2018 Published by BSI Standards Limited 2018 ISBN9780580943911 ICS13.060.70 Compliance with a British Standard cannot confer immunityfrom legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31December2018. Amendments/corrigendaissuedsincepublication Date Text affected EUROPEANSTANDARD EN IS0 10634 NORMEEUROPEENNE EUROPAISCHE NORM December 2018 ICS13.060.70 Supersedes ENIS0 10634:1995 English Version Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent medium (Is0 10634: 2018) Qualitede I'eau-Préparationettraitementdes Wasserbeschaffenheit-Anleitungfur die composés organiques peu solubles dans I'eau Vorbereitung und Behandlung von in Wasser en vue de I'eévaluation de leur biodegradabilité schwer loslichen organischen Verbindungen fur die nachfolgende Bestimmung ihrer biologischen Abbaubarkeit in einem wassrigen Medium (IS0 10634:2018) This European Standard was approved by CEN on 20 October 2018. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Latvia, Lithuania, Luxembourg,Malta, Netherlands, Norway,Poland,Portugal, Romania, Serbia,Slovakia, Slovenia, Spain Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17,B-1000 Brussels 2018CEN All rights of exploitation in any form and by any means reserved Ref. No. EN IS0 10634:2018: E worldwide for CEN national Members