Designation:D7855/D7855M−13StandardTestMethodforDeterminationofMoldGrowthonCoatedBuildingProductsDesignedforInteriorApplicationsUsinganEnvironmentalChamberandIndirectInoculation1ThisstandardisissuedunderthefixeddesignationD7855/D7855M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversanenvironmentalchamberandtheconditionsofoperationtoevaluateina4-weekperiodtherelativeresistancetomoldgrowthandmicrobialsurfacedefacementoncoatedbuildingproductsdesignedforinteriorapplicationusinganindirectinoculationmethod.Theappara-tusisdesignedsoitcanbeeasilybuiltorobtainedbyanyinterestedparty.1.2Thistestmethodcanbeusedtoevaluatethecompara-tiveresistanceofcoatedbuildingproductstoacceleratedmoldgrowth.Ratingsdonotimplyaspecifictimeperiodthatthecoatedbuildingproductwillbefreeoffungalgrowthduringinstallationinaninteriorenvironment.1.3Thistestmethodisnotintendedforuseintheevaluationofpublichealthclaims.1.4Thetestmethodisintendedfortheacceleratedevalua-tionofmoldgrowthonacoatedbuildingproductdesignedforinterioruse.Thismethodisnotintendedforevaluationofsurfacesdesignedforexteriorapplicationsoruncoatedsur-faces.Useofthistestmethodforevaluatingexteriorperfor-mancehasnotbeenvalidated,norhavethelimitationsforsuchusebeendetermined.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMS...
