Designation:D7339−12StandardTestMethodforDeterminationofVolatileOrganicCompoundsEmittedfromCarpetusingaSpecificSorbentTubeandThermalDesorption/GasChromatography1ThisstandardisissuedunderthefixeddesignationD7339;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribesananalyticalprocedureforidentifyingandquantifyingthemassesofindividualvolatileorganiccompounds(individualVOCsorIVOCs)thatareemittedintoaflowofairfromcarpetspecimensandcollectedonsorbentsamplingtubesduringemissionstesting.1.2Thistestmethodwillbeusedinconjunctionwithastandardpracticeforsamplingandpreparingcarpetspecimensforemissionstesting.Ifaspecificchamberpracticeisnotavailableforthecarpetspecimens,thisstandardtestmethodshouldbeusedinconjunctionwithapprovedstandardpracticesforemissionstestingandsamplepreparation.1.3Whenusedinconjunctionwithstandardpracticesforcarpetspecimenpreparationandcollectionofvapor-phaseemissions,thistestmethodwillprovideastandardizedmeansofdeterminingthelevelsofIVOCintheexhauststreamoftheemissionstestchamber/cell.Ifthistestmethodisusedwithareliablepracticeforemissionstesting,theseIVOClevelscanbeusedtodeterminetheemissionratefromaunitquantity(usuallysurfacearea)ofthesamplematerialundertest.1.4VOCsintheexhauststreamofanemissionstestdevicearecollectedonthermaldesorptiontubespackedwithaspecificcombinationofsorbentsusingactive(pumped)sam-pling.(SeePracticeD6196foramoregeneraldescriptionofvaporcollectionusingpumpedsamplingontosorbenttubes).Thesamplesareanalyzedbythermaldesorption(TD)withgaschromatographyandmassspectrometrydetection(GC/MS)and/orflameionizationdetection(FID)dependingupontherequirementsofthespecificmaterialsemissionstesting/certificationprotocol.1.5ThistestmethodcanbeusedforthemeasurementofmostGC-compatibleorganicvaporsrangingfromtheapprox...