Designation:D6141−14StandardGuideforScreeningClayPortionandIndexFluxofGeosyntheticClayLiner(GCL)forChemicalCompatibilitytoLiquids1ThisstandardisissuedunderthefixeddesignationD6141;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversproceduresandtestmethodsthatcanbeusedintheevaluationoftheabilityoftheclayportionofageosyntheticclaylinertoresistchangeduetoexposuretoliquids.Theseliquidsmaycomefromasite,orbegeneratedinalaboratoryfromasite-specificsoil.1.2Thescopeofthisguideislimitedtoshort-termscreen-ingandisnotintendedtoreplaceevaluationproceduresthatmeasureaperformancepropertysuchasEPA9100,TestMethodD6766,orothersuitableASTMstandardsastheybecomeavailable.Thisguidedoesnotaddresspotentialadverseeffectsofwet-drycycling.1.3ThisguideappliestotheclaycomponentofaGCL.ThesyntheticcarriercomponentsarecoveredindependentlyasdescribedinPracticeD5322.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D653TerminologyRelatingtoSoil,Rock,andContainedFluidsD4439TerminologyforGeosyntheticsD5322PracticeforLaboratoryImmersionProceduresforEvaluatingtheChemicalResistanceofGeosyntheticstoLiquidsD5887TestMethodforMeasurementofIndexFluxThroughSaturatedGeosyntheticClayLinerSpecimensUsingaFlexibleWallPermeameterD5890TestMethodforSwellIndexofClayMineralCom-ponentofGeosyntheticClayLinersD5891TestMethodforFluidLossofClayComponentofGeosyntheticClayLinersD6072/D6072MPracticeforObtainingSamplesofGeosyn-theticClayLinersD6766TestMethodforEvaluatio...
