Designation:D4947–00StandardTestMethodforChlordaneandHeptachlorResiduesinIndoorAir1ThisstandardisissuedunderthefixeddesignationD4947;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthesamplingandanalysisofindooratmospheresforresiduesofchlordaneandheptachlor.1.2Thistestmethodisbaseduponthecollectionofchlor-daneandheptachlorfromairontopolyurethanefoam(PUF)andanalysisbygaschromatographycoupledwithelectroncapturedetection.1.3Thistestmethodisapplicabletoconcentrationsofchlordanevaryingfrom0.1to100µg/m3andheptachlorvaryingfrom0.01to80.0µg/m3withsamplingperiodstocollectatleast0.25m3ofair.Detectionlimitswilldependupontheconditionsofthegaschromatography(GC)andthelengthofthesamplingperiod.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D1356TerminologyRelatingtoSamplingandAnalysisofAtmospheres2D3686PracticeforSamplingAtmospherestoCollectOr-ganicCompoundVapors(ActivatedCharcoalTubeAd-sorptionMethod)2D3687PracticeforAnalysisofOrganicCompoundVaporsCollectedbytheActivatedCharcoalTubeAdsorptionMethod2D4185PracticeforMeasurementofMetalsinWorkplaceAtmospheresbyAtomicAbsorptionSpectrophotometry2D4861PracticeforSamplingandSelectionofAnalyticalTechniquesforPesticidesandPolychlorinatedBiphenylsinAir2E355PracticeforGasChromatographyTermsandRela-tionships32.2EPAMethods:CompendiumofMethodsfortheDeterminationtoToxicOrganicCompoundsinAmbientAir,EPA600/R-96/010b42.3OtherDocuments:IndoorSamplingGuidelinesforTermiticides53.Terminology3.1Definitions:3.1.1RefertoTerminologyD1356,PracticeE355,andPracticeD4861fordefinitionsoftermsu...