EN ISO 21043-3 2025.docx

ENISO21043-3June2025EuropeanstandardNormeeuropeenneEuropaischenormICS07.140EnglishVersionForensicsciences-Part3:AnalysisISO21043-3:2025Forensik-Teil3:Analyse(ISO21043-3:2025)Criminalistique-Partie3:Analyse(ISO21043-3:2025)ThisEuropeanStandardwasapprovedbyCENon26August2024.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandUnitedKingdom.富EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefurnormungCEN-CENELECManagementCentre:RuedelaScience23,B-1040BrusselsRef.No.ENISO21043-3:2025E©2025CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.ContentsPageEuropeanforeword3EuropeanforewordThisdocument(ENISO21043-3:2025)hasbeenpreparedbyTechnicalCommitteeISO/TC272"Forensicsciences"incollaborationwithTechnicalCommitteeCEN/TC419nForensicScienceProcesses"thesecretariatofwhichisheldbyNEN.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyDecember2025,andconflictingnationalstandardsshallbewithdrawnatthelatestbyDecember2025.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusers'nationalstandardsbody/nationalcommittee.AcompletelistingofthesebodiescanbefoundontheCENwebsite.AccordingtotheCEN-CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandtheUnitedKingdom.EndorsementnoticeThetextofISO21043-3:2025hasbeenapprovedbyCENasENISO21043-3:2025withoutanymodification.ISOInternationalStandardISO21043-3Firstedition2025-06ForensicsciencesPart3:AnalysisCriminalistiquePartie3:AnalyseReferencenumberISO21043-3:2025(en)COPYRIGHTPROTECTEDDOCUMENT©ISO2025Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO,smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+4122749Ol11Email:copyrightiso.orgWebsite:www.iso.orgPublishedinSwitzerlandContentsPageForewordivIntroductionv1 Scope12 Normativereferences13 Termsanddefinitions14 Generalrequirements14.1 General14.2 Validationandverificationofmethods24.3 Equipmentandconsumables34.4 Calibrationandperformancechecks34.5 Metrologicaltraceability34.6 Referencesamples,controlsamples,collectionsanddatabases44.7 Measurementuncertaintyandsignificantfigures44.8 Performancemonitoring45 Personnel.56 Facilities57 Environmentalconditions58 Acceptanceandrejectionofrequestsanditems68.1 Acceptanceandrejectionofthecustomer'srequest68.2 Recordingofacceptedorrejecteditems69 Analyticalstrategy69.1 Generalrequirements69.2 Assessmentpriortoanalysis79.3 Selectionofmethods79.4 Itemselection,samplingandpreparation710 Purposeoftheanalysis810.1 Classificationoridentification810.2 Quantification810.3 Questionofsource810.4 Reconstruction811 Reliabilityofobservations9AnnexA(informative)Examples10Bibliography12ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmentabinli