Designation:D5889/D5889M−18StandardPracticeforQualityControlofGeosyntheticClayLiners1ThisstandardisissuedunderthefixeddesignationD5889/D5889M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthemanufacturingqualitycontrolofgeosyntheticclayliners(GCLs),describingtypesoftests,thepropertestmethods,andtheminimumtestingfrequencies.1.2Thispracticeisintendedtoaidmanufacturers,suppliers,purchasers,andusersofGCLsinestablishingaminimumlevelofeffortformanufacturingqualitycontrol.1.3Thispracticedoesnotaddressmanufacturingqualityassurance,productacceptancetesting,orconformancetesting.TheseareindependentactivitiestakenbyorganizationsotherthantheGCLmanufacturer.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D792TestMethodsforDensityandSpecificGravity(Rela-tiveDensity)ofPlasticsbyDisplacementD882TestMethodforTensilePropertiesofThinPlasticSheetingD1505TestMethodforDensityofPlasticsbytheDensity-GradientTechniqueD4439TerminologyforGeosyntheticsD4632/D4632MTestMeth...