Designation:D7390−18´1StandardGuideforEvaluatingAsbestosinDustonSurfacesbyComparisonBetweenTwoEnvironments1ThisstandardisissuedunderthefixeddesignationD7390;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditorialcorrectionsweremadethroughoutinOctober2018.1.Scope1.1Therearemultiplepurposesfordeterminingtheloadingofasbestosindustonsurfaces.Eachparticularpurposemayrequireuniquesamplingstrategies,analyticalmethods,andproceduresfordatainterpretation.Proceduresareprovidedtofacilitateapplicationofavailablemethodsfordeterminingasbestossurfaceloadingsand/orasbestosloadingsinsurfacedustforcomparisonbetweentwoenvironments.Atpresent,thisguideaddressesoneapplicationoftheASTMsurfacedustmethods.Itisanticipatedthatadditionalareaswillbeaddedinthefuture.Itisnotintendedthatthediscussionofoneapplicationshouldlimituseofthemethodsinotherareas.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see5.7.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D5755TestMethodforMicrovacuumSamplingandIndirectAnalysisofDustbyTransmissionElectronMicroscopyforAsbestosStructureNumberSurfaceLoadingD6480TestMethodforWipeSamplingofSurfaces,IndirectPreparation,andAnalysisforAsbestosStructureNumberSurfaceLoadingbyTransmissionElectronMicroscopyE456TerminologyRelatingtoQualityandStatisticsE2...
