Designation:D7185−19StandardSpecificationforLowTolueneLowDioxane(LTLD)Benzene1ThisstandardisissuedunderthefixeddesignationD7185;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisspecificationcoversagradeofbenzeneknownasLowTolueneLowDioxane(LTLD)Benzene.1.2Thefollowingappliestoallspecifiedlimitsinthisstandard:forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4ConsultcurrentOSHAregulations,supplier’sSafetyDataSheets,andlocalregulationsforallmaterialsusedinthisspecification.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D848TestMethodforAcidWashColorofIndustrialAro-maticHydrocarbonsD852TestMethodforSolidificationPointofBenzeneD3437PracticeforSamplingandHandlingLiquidCyclicProductsD4735TestMethodforDeterminationofTraceThiopheneinRefinedBenzenebyGasChromatographyD5194TestMethodforTraceChlorideinLiquidAromaticHydrocarbonsD5386TestMethodforColorofLiquidsUsingTristimulusColorimetryD5808TestMethodforDeterminingChlorideinAromaticHydrocarbonsandRelatedChemicalsbyMicrocoulom-etryD6875TestMethodforSolidificationPointofIndustrialOrganicChemicalsbyThermistorD7011TestMethodforDeterminationofTraceThiopheneinRefinedBenzenebyGasChromatographyandSulfurSelectiveDetectionD7183TestMethodforDeterminationofTota...
