Designation:D8141−17StandardGuideforSelectingVolatileOrganicCompounds(VOCs)andSemi-VolatileOrganicCompounds(SVOCs)EmissionTestingMethodstoDetermineEmissionParametersforModelingofIndoorEnvironments1ThisstandardisissuedunderthefixeddesignationD8141;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideisintendedtoserveasafoundationforunderstandingwhentouseemissiontestingmethodsdesignedforvolatileorganiccompounds(VOCs)todeterminearea-specificemissionratesthataretypicallyusedinmodelingindoorVOCconcentrationsandwhentouseemissiontestingmethodsdesignedforsemi-volatileorganiccompounds(SVOCs)todeterminemasstransferemissionparametersthataretypicallyusedtomodelindoorSVOCconcentrations.1.2Thisguidediscusseshoworganicchemicalsareconven-tionallycategorizedwithrespecttovolatility.1.3Thisguidepresentsasimplifiedmasstransfermodeldescribingorganicchemicalemissionsfromamaterialtobulkair.Thevaluesofthemodelparametersareshowntobespecifictomaterial/chemical/chambercombinations.1.4Thisguideshowshowtouseamasstransfermodeltoestimatewhetherdiffusionofthechemicalwithinthematerialorconvectivemasstransferofthechemicalfromthesurfaceofthematerialtotheoverlyingairlimitschemicalemissionsfromthematerialsurface.1.5Thisguidedescribestherangeofdifferentchambersthatareavailableforemissiontesting.Thechambersareclassifiedaseitherdynamicorstaticandeitherconventionalorsand-wich.Thechambersarecategorizedasbeingoptimaltodetermineeitherthearea-specificemissionrateormasstrans-feremissionparameters.1.6Thisguidediscussestherolessorptionandconvectivemasstransfercoefficientsplayinselectingtheproperemissionchamberandanalysismethodtoaccuratelyandefficientlycharacterizeemissionsfromindoormaterialsforuseinmod-elingindoorchemicalconcentrations.1.7Thisguidegivesrecommendationsonwhentochooseanemissio...