Designation:D5887/D5887M−22StandardTestMethodforMeasurementofIndexFluxThroughSaturatedGeosyntheticClayLinerSpecimensUsingaFlexibleWallPermeameter1ThisstandardisissuedunderthefixeddesignationD5887/D5887M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversanindextestthatcoverslaboratorymeasurementoffluxthroughsaturatedgeosyntheticclayliner(GCL)specimensusingaflexiblewallpermeameter.1.2ThistestmethodisapplicabletoGCLproductshavinggeotextilebacking(s).ItisnotapplicabletoGCLproductswithgeomembranebacking(s),geofilmbacking(s),orpolymercoat-ingbacking(s).1.3Thistestmethodprovidesameasurementoffluxunderaprescribedsetofconditionsthatcanbeusedformanufactur-ingqualitycontrol.Thetestmethodcanalsobeusedtocheckconformance.Thefluxvaluedeterminedusingthistestmethodisnotconsideredtoberepresentativeofthein-servicefluxofGCLs.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotnecessarilyexactequivalents;therefore,toensureconformancewiththestandard,eachsystemshallbeusedindependentlyoftheother,andvaluesfromthetwosystemsshallnotbecombined.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D374/D374MTestMethodsforThicknessofSolidElectri-calInsulationD653TerminologyRel...
