Designation:D6119−19StandardPracticeforCreatingSurfaceAppearanceChangesinPileYarnFloorCoveringfromFootTraffic1ThisstandardisissuedunderthefixeddesignationD6119;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthetraffickingofpileyarnfloorcoveringsinalaboratoryinordertoeffectachangeinsurfaceappearanceasaresultofexposuretofoottrafficundercontrolledconditions.Aseparatetestmethod,D7330,coverstheassessmentofsurfaceappearancechangeusingtheCarpetandRugInstituteReferenceScales.21.2Thispracticeisapplicabletomostchangesinsurfaceappearanceobservedinalltypesofcarpetthatareintendedforresidentialorcommercialuse.Iteliminateschangeinappear-anceassociatedwithsoilingbyfocusingonappearancechangeduetomatting,flattening,orchangeinpilefiberconfiguration.Although“pilereversal”or“watermarking”isoccasionallyvisible,thispracticeisnotareliablemethodforproducingthisphenomenon.1.3Thispracticemaybeusedbymutualagreementbetweenthepurchaserandsuppliertosetpurchasingspecifications.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortous-e.SpecificprecautionarystatementsaregiveninSection7.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocum...
