Designation:D7008−08(Reapproved2013)StandardSpecificationforGeosyntheticAlternateDailyCovers1ThisstandardisissuedunderthefixeddesignationD7008;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverstherequirementsforreusableandnonreusablegeosyntheticalternatedailycovers(ADCs)usedontheworkingfaceofmunicipalsolidwastelandfills(MSWLF).GeosyntheticADCsincludeawiderangeofproductsincluding,butnotlimitedto,reinforcedfilm,unrein-forcedfilm,reinforcedsheet,unreinforcedsheet,coatedgeo-textileanduncoatedgeotextile.1.2ThisstandardaddressesthebaseADCmaterialsanddoesnotaddressgrommets,strapsorotherfabricatedparts.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatoryrequirementspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D882TestMethodforTensilePropertiesofThinPlasticSheetingD1004TestMethodforTearResistance(GravesTear)ofPlasticFilmandSheetingD4355TestMethodforDeteriorationofGeotextilesbyExposuretoLight,MoistureandHeatinaXenonArcTypeApparatusD4439TerminologyforGeosyntheticsD4533TestMethodforTrapezoidTearingStrengthofGeo-textilesD4632TestMethodforGrabBreakingLoadandElongationofGeotextilesD4833TestMethodforIndexPunctureResistanceofGeomembranesandRelatedProductsE96/E96MTestMethodsforWaterVaporTransmissionofMaterials2.2OtherStandards:NationalFireProtectionAssociation(NFPA)701StandardMethodsofFireTestsforFlamePropagationofTextilesGeosyntheticResearchInstitute(GRI)SpecificationGM11AcceleratedWeatheringofGeomembranesusingaFluorescentUVA-CondensationExposureDevice3.Terminology3.1Definitions—Fordefinitionsoftermsrelatedtogeosynthe...