Designation:D6948/D6948M−03(Reapproved2011)´1StandardPracticeforApplicationofRefinedCoalTar(ReadytoUse,CommercialGrade)1ThisstandardisissuedunderthefixeddesignationD6948/D6948M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.´1NOTE—UnitsinformationwaseditoriallyrevisedinJune2011.1.Scope1.1Thispracticecoverstheapplicationofemulsifiedre-finedcoaltarslurrymeetingtherequirementsofSpecificationD6945TypesIandII,bymechanizedequipmentasaweatherprotectionandpetroleum(aliphatic)solventresistantsealerforuseonbituminousconcretepavements.InordertoclarifythedifferencesbetweenTypesIandII,see3.3forstandarddefinitionofterms.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D490SpecificationforRoadTarD5727SpecificationforEmulsifiedRefinedCoalTar(Min-eralColloidType)D6945SpecificationforEmulsifiedRefinedCoal-Tar(ReadytoUse,CommercialGrade)3.Terminology3.1TwotypesofmixturesaredefinedinSpecificationD6945.Theingredientsforbothtypesofmixturesarenormallycombinedatthecontractor’syardoratthejobsite.RefinedcoaltaremulsionmeetingSpecificationD5727isconcentratedwhenshippedfromthemanufacturertotheapplicator.3.1.1SpecificationD6945TypeImaterial—isSpecificationD5727materialdilutedwithwatertypicallybytheapplicatorafterwhichaggregateisadded.3.1.2SpecificationD6945TypeIImaterial—isSpecificationD57...
