Designation:D7143−11StandardPracticeforEmissionCellsfortheDeterminationofVolatileOrganicEmissionsfromIndoorMaterials/Products1ThisstandardisissuedunderthefixeddesignationD7143;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThispracticecomplementsGuideD5116andPracticeD6670.1.Scope1.1Thispracticeisintendedfordeterminingvolatileor-ganiccompound(VOC)emissionsfrommaterialsandproductsusingemissioncells.Itcanbeappliedinprincipletomostconstructionmaterialsandmanyproductsusedindoors.Ob-jectivesinclude:1.1.1Toprovidemanufacturers,builders,andenduserswithemissiondatausefulforevaluatingtheimpactofbuildingproducts,neworold,onindoorairconcentrationsinamodelroom.1.1.2TopromotethedevelopmentofproductswithlowerVOCemissions.1.2ThispracticeisforidentifyingemittedVOCsandfordeterminingtheareaspecificemissionrateofVOCsfromnewlyproducedbuildingproductsunderdefinedclimatecon-ditions.Themethodcanalsobeappliedtoagedproducts.1.3Inaccordancewiththedefinitionofanemissioncell,itisalsopossibletoperformnondestructiveemissionmeasure-mentsonbuildingproductson-siteinbuildings.However,theprocedureforsuchmeasurementsisnotdescribedinthisstandard.1.4Thispracticedescribesthedesign,construction,perfor-manceevaluationanduseofemissioncellsforVOCemissiontesting.Sampling,transportandstorageofmaterialstobetested,andpreparationoftestspecimensarealsodescribed.1.5Airsamplingandanalyticalmethodsforthedetermina-tionofVOCsaredescribedinPracticeD6196.AlternativesamplingandanalyticalapproachesforformaldehydeandothercarbonylsaredescribedinTestMethodD5197.NOTE1—Allvolatile(vapor-phase)carbonylsexceptformaldehydecanbeanalyzedbyeitherPracticeD6196orbyTestMethodD5197.NOTE2—Direct-readinginstrumentscanalsobeappliedforspecificobjectives.NOTE3—Somevolatileinorganiccompoundscan,inprinciple,alsobeanalyze...
