Designation:D8038−16(Reapproved2022)´1StandardPracticeforReclamationofRecycledAggregateBase(RAB)Material1ThisstandardisissuedunderthefixeddesignationD8038;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—ReapprovedwitheditorialchangesinJune2022.1.Scope1.1Thispracticecoversselectedaspectsforreclamationofrecycledaggregatebase(RAB)materialderivedfromasphaltpavementorconcrete.RABmaybecalledrecycledasphaltpavement(RAP)orrecycledconcreteaggregate(RCA).1.2Thispracticeisprovidedrelatedtomaterialquality,materialqualitycontroltesting,andalsooperatorandfacilityqualifications.1.3Units—ThevaluesstatedinSIunitsaretoberegardedasthestandard.Nootherunitsofmeasurementareincludedinthisstandard.NOTE1—SievesizeisidentifiedbyitsstandarddesignationinSpeci-ficationE11.Thealternativedesignationgiveninparenthesesisforinformationonlyanddoesnotrepresentadifferentstandardsievesize.1.4Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject’smanyuniqueaspects.Theword“Standard”inthetitlemeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-ization...