Designation:D2680−20StandardSpecificationforAcrylonitrile-Butadiene-Styrene(ABS)andPoly(VinylChloride)(PVC)CompositeSewerPiping1ThisstandardisissuedunderthefixeddesignationD2680;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversthermoplasticcompositepipe,fittingsandajoiningsystemforuseingravityflow,nonpres-suresanitarysewer,andstormdraininstallations.ThepipeandfittingsaremadeofABSorPVCplasticmaterial.Recom-mendedinstallationpracticesarereferencedinAppendixX1.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D618PracticeforConditioningPlasticsforTestingD1084TestMethodsforViscosityofAdhesivesD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsD1784ClassificationSystemandBasisforSpecificationforRigidPoly(VinylChloride)(PVC)CompoundsandChlo-rinatedPoly(VinylChloride)(CPVC)CompoundsD2122TestMethodforDeterminingDimensionsofTher-moplasticPipeandFittingsD2152TestMethodforAdequacyofFusionofExtrudedPoly(VinylChloride)(PVC)PipeandMoldedFitti...
