Designation:D5929−18StandardTestMethodforDeterminingBiodegradabilityofMaterialsExposedtoSource-SeparatedOrganicMunicipalSolidWasteMesophilicCompostingConditionsbyRespirometry1ThisstandardisissuedunderthefixeddesignationD5929;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthebiodegradationpropertiesofamaterialbyreproduciblyexposingmaterialstoconditionstypicalofsource-separatedorganicmunicipalsolidwaste(MSW)composting.Amaterialiscompostedundercontrolledconditionsusingasyntheticcompostmatrixanddeterminingtheacclimationtime,cumulativeoxygenuptake,cumulativecarbondioxideproduction,andpercentoftheoreticalbiodeg-radationovertheperiodofthetest.Thistestmethoddoesnotestablishthesuitabilityofthecompostedproductforanyuse.1.2Thistestisperformedatmesophilictemperatures.Somemunicipalcompostoperationsreachthermophilictemperaturesduringoperation.Thermophilictemperaturescanaffectthebiodegradationofsomematerials.Thistestisnotintendedtoreplicateconditionswithinmunicipalcompostoperationsthatreachthermophilictemperatures.1.3Thevaluesstatedinbothinch-poundandSIunitsaretoberegardedseparatelyasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D513TestMethodsforTotalandDi...
