Designation:E1979−12StandardPracticeforUltrasonicExtractionofPaint,Dust,Soil,andAirSamplesforSubsequentDeterminationofLead1ThisstandardisissuedunderthefixeddesignationE1979;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversanultrasonicextractionprocedurefortheextractionofleadfromenvironmentalsamplesofinterestinleadabatementandrenovation(orrelated)work,foranalyticalpurposes.1.2Environmentalmatricesofconcernincludedrypaintfilms,settleddusts,soils,andairparticulates.1.3Samplessubjectedtoultrasonicextractionarepreparedforsubsequentdeterminationofleadbylaboratoryanalyticalmethods.1.4Thispracticeincludes,whereapplicable,descriptionsofproceduresforsamplehomogenizationandweighingpriortoultrasonicextraction.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.6Thispracticedoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthispracticetoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationpriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD5438PracticeforCollectionofFloorDustforChemicalAnalysisD6785TestMethodforDeterminationofLeadinWorkplaceAirUsingFlameorGraphiteFurnaceAtomicAbsorptionSpectrometryD7144PracticeforCollectionofSurfaceDustbyMicro-vacuumSamplingforSubsequentMetalsDeterminationE631TerminologyofBuildingConstructionsE1605TerminologyRelatingtoLeadinBuildingsE1613TestMethodforDeterminationofLeadbyInduc-tivelyCoupledPlasmaAtomicEmissionSpectrometry(ICP-AES),FlameAtomicAbsorptionSpectrometry(FAAS),orGraphiteFurnaceAtomicAbsorptionSpec-trometry(GFAAS)TechniquesE1726PracticeforPreparationofSoilSamplesbyHotplateDigestionforSubsequentLeadAnalysisE1727PracticeforFieldCollectionofSoilSamplesforSubsequentLeadDe...
