Designation:D5438−17StandardPracticeforCollectionofFloorDustforChemicalAnalysis1ThisstandardisissuedunderthefixeddesignationD5438;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversaprocedureforthecollectionofasampleofdustfromcarpetsandbarefloorsthatcanbeanalyzedforlead,pesticides,orotherchemicalcompoundsandelements.1.2Thispracticeisapplicabletoavarietyofcarpetedandbarefloorsurfaces.Ithasbeentestedforlevelloopandplushpilecarpetsandbarewoodfloors,specifically.1.3Thispracticeisnotintendedforthecollectionandevaluationofdustforthepresenceofasbestosfibers.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D422TestMethodforParticle-SizeAnalysisofSoils(With-drawn2016)3D1356TerminologyRelatingtoSamplingandAnalysisofAtmospheresE1SpecificationforASTMLiquid-in-GlassThermometersE337TestMethodforMeasuringHumiditywithaPsy-chrometer(theMeasurementofWet-andDry-BulbTem-peratures)E1137/E1137MSpecificationforIndustrialPlatinumResis-tanceThermometersE2251SpecificationforLiquid-in-GlassASTMThermom-eterswithLow-HazardPrecisionLiquidsF608TestMethodforEvaluationofCarpetEmbeddedDirtRemovalEffectivenessofHousehold/CommercialVacuumCleaners3.Terminology3.1Definitions—Fordefinitionsoftermsusedinthispractice,refertoTerminologyD1356.3.1.1carpet-embeddeddust—soilandotherparticulatematter,approximately5-µmequivalentaerodynamicdiameterandlarger,embeddedincarpetpileandnormallyremovablebyhouseholdvacuumcleaners.3.1.2surfacedust—soilando...
