Designation:E1753−13StandardPracticeforUseofQualitativeChemicalSpotTestKitsforDetectionofLeadinDryPaintFilms1ThisstandardisissuedunderthefixeddesignationE1753;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheuseofcommercialspottestkitsbasedoneithersulfideorrhodizonateforthequalitativedeterminationofthepresenceofleadindrypaintfilms.1.2Thispracticemayalsobeusedasaqualitativeproce-dureforotherdrycoatingfilmssuchasvarnishes.1.3Thispracticeprovidesalistoftheadvantagesandlimitationsofchemicalspottestkitsbasedonsulfideandrhodizonatetoallowtheusertochoosetheappropriatespottestforagivencircumstance.1.4Thispracticecontainsnoteswhichareexplanatoryandnotpartofmandatoryrequirements.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E1605TerminologyRelatingtoLeadinBuildings3.Terminology3.1Fordefinitionsoftermsrelatingtothispracticethatdonotappearhere,refertoTerminologyE1605.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1coresample—afragmentoftheentiredrypaintfilmremovedfromthesubstratewithacoringtoolwhichisdesignedtoremoveaspecifiedarea(forexample,asquarecentimetre)ofdrypaintfilm.3.2.2negativescreen—aspottestforwhichanegativeresultindicatesalowprobabilityofleadbeingpresentinthetestspecimenaboveapredeterminedlevel;forexample,aregulatedfederalorstateabatementactionlevel.3.2.3negativetest—theabsenceofthecharacteristiccolorchangewithinaspecifiedtimelimit,usuallywithinafewminutes.3.2.4paintchipsample—afragmentofadrypaintfilmremovedfromthesubstrate.3.2.5positivetest—theobservationofthecharacteristiccolorchangewithi...
