BS EN IS0 11704:2018 BSl Standards Publication Water quality - Gross alpha and gross beta activity - Test method using liquid scintillation counting (Is0 11704:2018) bsi. BSENISO11704:2018 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN IS0 11704:2018. It supersedes BS EN IS0 11704:2015, which is withdrawn. The UKparticipation in its preparation was entrusted toTechnical CommitteeEH/3/8,Radioactivitymeasurementsmethods. A list of organizations 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 areresponsiblefor its correctapplication. @TheBritishStandardsInstitution2018 Published byBSI Standards Limited2018 ISBN978058096050 5 ICS13.060.60;17.240 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policyand Strategy Committee on31December 2018. Amendments/corrigendaissuedsincepublication Date Textaffected EUROPEANSTANDARD EN IS0 11704 NORME EUROPEENNE EUROPAISCHE NORM December2018 ICS13.060.60;17.240 Supersedes ENIS011704:2015 English Version Water quality - Gross alpha and gross beta activity - Test method using liquid scintillation counting (IS0 11704:2018) Qualite de I'eau - Activités alpha globale et beta Wasserbeschaffenheit - Gesamt-Alpha- und globale-Methoded'essaipar comptagedes Gesamt-Beta-Aktivitat-Verfahren mit dem scintillations en milieu liquide (IS0 11704:2018) Flissigszintillationszahler (Is0 11704:2018) This European Standard was approved by CEN on 1 November 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 ortoany CENmember. 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, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, 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 EUROPAISCHES KOMITEE FUR NORMUNG 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 11704:2018: E worldwide for CEN national Members