Designation:E1610−18StandardGuideforForensicPaintAnalysisandComparison1ThisstandardisissuedunderthefixeddesignationE1610;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Forensicpaintanalysesandcomparisonsaretypicallydistinguishedbysamplesizethatprecludestheapplicationofmanystandardindustrialpaintanalysisproceduresorproto-cols.Theforensicpaintexaminermustaddressconcernssuchastheissuesofacaseorinvestigation,samplesize,complexityandcondition,environmentaleffects,andcollectionmethods.Thesefactorsrequirethattheforensicpaintexaminerchoosetestmethods,samplepreparationschemes,testsequence,anddegreeofsamplealterationandconsumptionthataresuitabletoeachspecificcase.1.2Thisguideisintendedasanintroductiontostandardguidesforforensicexaminationofpaintsandcoatings.Itisintendedtoassistindividualswhoconductforensicpaintanalysesintheirevaluation,selection,andapplicationofteststhatcanbeofvaluetotheirinvestigations.Thisguidedescribesmethodstodevelopdiscriminatoryinformationusinganeffi-cientandreasonableorderoftesting.Theneedforvalidatedmethodsandqualityassuranceguidelinesisalsoaddressed.Thisdocumentisnotintendedasadetailedmethodsdescrip-tionorrigidschemefortheanalysisandcomparisonofpaints,butasaguidetothestrengthsandlimitationsofeachanalyticalmethod.Thegoalistoprovideaconsistentapproachtoforensicpaintanalysis.1.3Thisguidecannotreplaceknowledge,skill,orabilityacquiredthroughappropriateeducation,training,andexperi-enceandshouldbeusedinconjunctionwithsoundprofes-sionaljudgment.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Someofthemethodsdiscussedinthisguideinvolvetheuseofdangerouschemicals,temperatures,andradiationsources.Thisguidedoesnotpurporttoaddressthepossiblesafetyhazardsorprecautionsassociatedwithitsapp...
