Designation:D7712−11StandardTerminologyforSamplingandAnalysisofAsbestos1ThisstandardisissuedunderthefixeddesignationD7712;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisterminologystandardisacollectivevocabularyrelatingtosamplingandanalysisofasbestos.Asaconveniencetogeneralinterest,itcontainsmostofthestandardterms,definitions,andnomenclatureunderthejurisdictionofCom-mitteeD22.1.2Manyoftheentriesinthisterminologyarecopied(withattribution)fromthestandardsoforiginreferencedinSection2.Thestandardsoforiginarenotedinboldtypeattherightmarginoftheapplicabledefinition.1.3CertaintermsinthecommonlanguagethatcomprisemultipleconceptsareincludedhereinwiththedefinitionspecifictostandardsandpracticesofCommitteeD22.Alter-nativedefinitionsforstarredtermsmaybefoundintheUSGSTabulationofAsbestos-RelatedTerminology,Open-FileRe-port02-458.2.ReferencedDocuments2.1ASTMStandards:D1356TerminologyRelatingtoSamplingandAnalysisofAtmospheresD2946TerminologyforAsbestosandAsbestos–CementProductsD5755TestMethodforMicrovacuumSamplingandIndirectAnalysisofDustbyTransmissionElectronMicroscopyforAsbestosStructureNumberSurfaceLoadingD5756TestMethodforMicrovacuumSamplingandIndirectAnalysisofDustbyTransmissionElectronMicroscopyforAsbestosMassSurfaceLoadingD6281TestMethodforAirborneAsbestosConcentrationinAmbientandIndoorAtmospheresasDeterminedbyTransmissionElectronMicroscopyDirectTransfer(TEM)D6480TestMethodforWipeSamplingofSurfaces,IndirectPreparation,andAnalysisforAsbestosStructureNumberSurfaceLoadingbyTransmissionElectronMicroscopyD6620PracticeforAsbestosDetectionLimitBasedonCountsD7200PracticeforSamplingandCountingAirborneFibers,IncludingAsbestosFibers,inMinesandQuarries,byPhaseContrastMicroscopyandTransmissionElectronMicroscopyD7201PracticeforSamplingandCountingAirborneFibers,In...