Designation:D2521/D2521M−76(Reapproved2014)´1StandardSpecificationforAsphaltUsedinCanal,Ditch,andPondLining1ThisstandardisissuedunderthefixeddesignationD2521/D2521M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—UnitsinformationwaseditoriallycorrectedinJanuary2014.1.Scope1.1Thisspecificationcoversanoxidizedpetroleumasphalt,which,whenappliedinasufficientthicknessoverasuitablesubgradeandcoveredwithasuitablecovermaterial,willprovideasatisfactorywaterproofmembraneforuseasacanal,ditch,andpondlining.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshouldbeusedindependentlyoftheother.Combiningvaluesinanywaymayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D5TestMethodforPenetrationofBituminousMaterialsD6TestMethodforLossonHeatingofOilandAsphalticCompoundsD92TestMethodforFlashandFirePointsbyClevelandOpenCupTesterD113TestMethodforDuctilityofBituminousMaterialsD140PracticeforSamplingBituminousMaterialsD2042TestMethodforSolubilityofAsphaltMaterialsinTrichloroethyleneD2398TestMethodforSofteningPointofBitumeninEthyleneGlycol(Ring-and-Ball)(Withdrawn1984)33.PhysicalRequirements3.1Theasphaltshallnotfoamwhenheatedto205°C[400°F],andshallconformtotherequirementsprescribedinTable1.3.2Atthepurchaser’soption,phosphoruspentoxide(P2O5)maybespecifiedasacatalystorblowingaidinthepreparationofthemembraneasphalt.4.SamplingandTestMethods4.1Samplethematerialanddeterminethepropertiesenu-meratedinthi...
