Designation:E2290−07aStandardGuideforExaminationofHandwrittenItems1ThisstandardisissuedunderthefixeddesignationE2290;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideprovidesproceduresthatshouldbeusedbyforensicdocumentexaminers(GuideE444)forexaminationsandcomparisonsinvolvinghandwrittenitemsandrelatedprocedures.1.2Theseproceduresareapplicablewhethertheexamina-tionandcomparisonisofquestionedandknownitemsorofexclusivelyquestioneditems.1.3Theseproceduresincludeevaluationofthesufficiencyofthematerial(questioned,orknown,orboth)availableforexamination.1.4Theparticularmethodsemployedinagivencasewilldependuponthenatureofthematerialavailableforexamina-tion.1.5Thisguidemaynotcoverallaspectsofunusualoruncommonexaminationsofhandwrittenitems.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatoryrequirementspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E444GuideforScopeofWorkofForensicDocumentExaminersE1658TerminologyforExpressingConclusionsofForensicDocumentExaminersE1732TerminologyRelatingtoForensicScienceE2195TerminologyRelatingtotheExaminationofQues-tionedDocuments3.Terminology3.1Fordefinitionsoftermsinthisguide,refertoTermi-nologiesE1732andE2195.3.2Definitions:3.2.1known,n/adj——ofestablishedoriginassociatedwiththematterunderinvestigation.E17323.2.2questioned,n/adj——associatedwiththematterunderinvestigationaboutwhichthereissomequestion,including,butnotlimitedto,whetherthequestionedandknownitemshaveacommonorigin.E17323.3DefinitionsofTermsSpecifictoThisStandard:3.3.1absentcharacter,n—acharacterorcharactercombi-nationwhichispresentinonebodyofwritingbutisnotpresent(forexample,doesn...
