Designation:D5747/D5747M−21StandardPracticeforTeststoEvaluatetheChemicalResistanceofGeomembranestoLiquids1ThisstandardisissuedunderthefixeddesignationD5747/D5747M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversproceduresforthetestingofgeomembranesforchemicalresistancewithliquidwastes,preparedchemicalsolutions,andleachatesderivedfromsolidwastes.1.2Thispracticecoversproceduresfortestingsemi-crystalline,amorphous,elastomeric,andfabric-reinforcedgeomembranes.1.3ThispracticeisintendedtobeusedinconjunctionwithPracticeD5322orD5496,orboth.Thescopeofthispracticeislimitedtotestingandreportingproceduresforunexposedandexposedgeomembranesamples.1.4Evaluationandinterpretationoftestdataarebeyondthescopeofthispractice.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotnecessarilyexactequivalents;therefore,toensureconformancewiththestandard,eachsystemshallbeusedindependentlyoftheother,andvaluesfromthetwosystemsshallnotbecombined.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection7.1.7Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C717TerminologyofBuildingSealsandSealantsD412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD413TestMethodsforRubb...
