Designation:D7823−14StandardTestMethodforDeterminationofLowLevel,RegulatedPhthalatesinPoly(VinylChloride)PlasticsbyThermalDesorption—GasChromatography/MassSpectrometry1ThisstandardisissuedunderthefixeddesignationD7823;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodprovidesaproceduretoidentifyandquantifysixphthalatesbythermaldesorption(TD)gaschro-matography(GC)massspectrometry(MS).ThephthalatesareBBP,DBP,DEHP,DNOP,DINPandDIDP.NOTE1—Themethodcanbeextendedtoincludeotherphthalates.1.2Withinthecontextofthismethod,“lowlevel”isdefinedas1000ppm.1.3ThevaluesinSIunitsaretoberegardedasstandard.1.4Thistestmethodincludesreferences,notesandfoot-notesthatprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseinthetablesandfigures)shallnotbeconsideredasrequirementsofthismethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE2—ThereisnoknownISOequivalenttothistestmethod.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsD3465TestMethodforPurityofMonomericPlasticizersbyGasChromatographyD7083PracticeforDeterminationofMonomericPlasticiz-ersinPoly(VinylChloride)(PVC)byGasChromatogra-phyE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE355PracticeforGasChromatographyTermsandRelation-shipsE594PracticeforTestingFlameIonizationDetectorsUsedinGasorSupercriticalFluidChromatographyE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodIEEE/ASTMSI{10PracticeforUseoftheInternationalSystemofUnits(SI),theModernizedMetricSystem3.Terminology3.1...