ENISO 22174 EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM September 2024 ICS 07.100.30 Supersedes EN IS0 22174:2005 English Version Microbiology of the food chain - Polymerase chain reaction (PCR) for the detection and quantification of microorganisms - General requirements and definitions (IS0 22174:2024) Microbiologie de la chaine alimentaire - Réaction de Mikrobiologie der Lebensmittelkette - Polymerase- polymérisation en chaine (PCR) pour la recherche et la Kettenreaktion (PCR) zum Nachweis von quantification de micro-organismes - Exigences Mikroorganismen - Allgemeine Anforderungen und genéralesetdéfinitions (IS022174:2024) Definitionen (IS022174:2024) This European Standard was approved by CEN on 21 July 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 Centre has the same status as the official versions. Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway United Kingdom. cer EUROPEAN COMMITTEEFOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels 2024CEN Ref. No. EN ISO 22174:2024 E All rightsofexploitationinanyformandbyanymeans reserved worldwidefor CENnational Members. EN IS0 22174:2024 (E) Contents Page 2 EN IS0 22174:2024 (E) European foreword This document (EN IS0 22174:2024) has been prepared by Technical Committee IS0/TC 34 "Food products" in collaboration with Technical Committee CEN/TC 463 "Microbiology of the food chain" 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of an identical text or by endorsement, at the latest by March 2025, and conflicting national standards shall be withdrawn at the latest by March 2025. 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 22174:2005. Any feedback and questions on this document should be directed to the users' national standards body/nationalcommittee.AcompletelistingofthesebodiescanbefoundontheCENwebsite 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, Tirkiye and the United Kingdom. Endorsement notice The text of IS0 22174:2024 has been approved by CEN as EN IS0 22174:2024 without any modification. 3