EN IS0 18187 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM May 2024 ICS 13.080.30 Supersedes EN IS0 18187:2018 English Version Soil quality - Contact test for solid samples using the dehydrogenase activity of Arthrobacter globiformis (ISO 18187:2024) Qualitédusol-Essaicontactpouréchantillonssolides Bodenbeschaffenheit-Feststoffkontakttestunter utilisantI'activitédéshydrogénasede Arthrobacter Verwendung derDehydrogenaseaktivitatvon globiformis (IS0 18187:2024) Arthrobacter globiformis (IS0 18187:2024) This European Standard was approved by CEN on 15 May 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-datelists 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. CENmembers arethenational standardsbodies 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, Turkiyeand United Kingdom. cen EUROPEAN COMMITTEEFOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2024CEN All rights of exploitation in any form and by any means reserved Ref. No. EN IS0 18187:2024 E worldwidefor CEN national Members EN IS0 18187:2024 (E) Contents Page European foreword.. 2 EN IS0 18187:2024 (E) European foreword This document (EN IS0 18187:2024) has been prepared by Technical Committee IS0/TC 190 "Soil quality" in collaboration with Technical Committee CEN/TC 444 "Environmental characterization of solid matrices" the secretariat of which is held by NEN. 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of an identical text or by endorsement, at the latest by November 2024, and conflicting national standards shall be withdrawn at the latest by November 2024.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 18187:2018. 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, 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 the United Kingdom. Endorsement notice The text of IS0 18187:2024 has been approved by CEN as EN IS0 18187:2024 without any modification 3