Designation:D3348−12(Reapproved2017)StandardTestMethodforRapidFieldTestforTraceLeadinUnleadedGasoline(ColorimetricMethod)1ThisstandardisissuedunderthefixeddesignationD3348;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversandisintendedforuseinthefieldbynontechnicalpeopleforthequantitativemeasurementofleadinunleadedgasolineintherangefrom0.01gto0.10gPb/U.S.gal(2.64mgto26.4mgPb/L).Thismethodappliestoallcommercialgasolinesandrespondstoalltypesofleadalkylsaswellastootherorganicandinorganicformsoflead.NOTE1—ThistestmethodisbasedontheuseoftheMobilLeadTestKit(Fig.1).NOTE2—ThistestmethodisascreeningtestandisnottobeusedasareplacementforwithdrawnTestMethodD3116,withdrawnTestMethodD3229,TestMethodD3237,TestMethodD3341,orTestMethodD5059.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecificwarningstatements,seeSection7.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D3116TestMethodforTraceAmountsofLeadinGasoline(Withdrawn1994)3D3229TestMethodforLowLevelsofLeadinGasolinebyX-RaySpectrometry(Withdrawn1992)3D3237TestMethodforLeadinGasolinebyAtomicAbsorp-tionSpectroscopyD3341TestMethodforLeadinGasoline—IodineMono-chlorideMethodD5059TestMethodsforLeadinGasolinebyX-RaySpec-trosc...
