ENIS0 17099 EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM June 2024 ICS 13.280 Supersedes EN IS0 17099:2017 English Version Radiological protection - Performance criteria for laboratories using the cytokinesis-block micronucleus (CBMN) assay in peripheral blood lymphocytes for biological dosimetry (Is0 17099:2024) Radioprotection - Criteres de performance pour les Strahlenschutz - Leistungskriterien fur Laboratorien, laboratoires pratiquant la dosimétrie biologique par die den Zytokineseblock-Mikronukleustest (CBMN) in I'analyse des micronoyaux par blocage de la peripheren Blutlymphozyten fur die biologische cytodiérese (CBMN) dans les lymphocytes du sang Dosimetrie verwenden (IS0 17099:2024) péripherique (IS0 17099:2024) This European Standard was approved by CEN on 24 June 2024. 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 made by Centrehas the same statusas the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and United Kingdom. cer EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels 2024CEN Ref. No. EN IS0 17099:2024 E All rightsofexploitationinanyformandbyanymeansreserved worldwide for CENnational Members. EN IS0 17099:2024 (E) Contents Page 2 EN IS0 17099:2024 (E) European foreword This document (EN IS0 17099:2024) has been prepared by Technical Committee IS0/TC 85 "Nuclear energy, nuclear technologies, and radiological protection" in collaboration with Technical Committee CEN/TC 430 "Nuclear energy, nuclear technologies, and radiological protection" the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2024, and conflicting national standards shall be withdrawn at the latest by December 2024. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN IS0 17099:2017. Any feedback and questions on this document should be directed to the users' national standards body/national committee. A complete listing of these bodies can be found on the CEN website. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and the United Kingdom. Endorsement notice The text of IS0 17099:2024 has been approved by CEN as EN IS0 17099:2024 without any modification. 3