Designation:D7655/D7655M−12(Reapproved2017)StandardClassificationforSizeofAggregateUsedasBallastforMembraneRoofSystems1ThisstandardisissuedunderthefixeddesignationD7655/D7655M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisclassificationdefinestheaggregatesizedesigna-tionsandrangesinmechanicalanalysesforstandardsizesofaggregateusedasballastformembraneroofsystems.1.2Thetextofthisclassificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.3Withregardtosievesizesandthesizeofaggregateasdeterminedbytheuseoftestingsieves,thevaluesininch-poundunitsareshownfortheconvenienceoftheuser;however,thestandardsievedesignationsshowninparenthesesisthestandardvalueasstatedinSpecificationE11.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C136/C136MTestMethodforSieveAnalysisofFineandCoarseAggregatesD75/D75MPracticeforSamplingAggregatesD1079TerminologyRelatingto...
