Designation:D4413–98(Reapproved2003)StandardTestMethodforDeterminationofEthyleneOxideinWorkplaceAtmospheres(CharcoalTubeMethodology)1ThisstandardisissuedunderthefixeddesignationD4413;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribesthedeterminationofethyleneoxide(oxirane)inworkplaceatmospheresusingcharcoaltubemethodology.1.2Thistestmethodiscompatiblewithlowflowratepersonalsamplingequipment:10to200mL/min.Itcanbeusedforpersonnelorareamonitoring.1.3Thesamplingmethoddevelopsatime-weightedaverage(TWA)sampleandcanbeusedtodetermineshort-termexcursions(STE).1.4TheapplicableconcentrationrangefortheTWAsampleisfrom0.3to20ppm(v).1.5TheapplicableconcentrationrangefortheSTEsamplerangesfrom1to1000ppm(v).1.6ThevaluesstatedinSIunitsshallberegardedasthestandard.Inch-poundunitsareprovidedforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.(FormorespecificsafetyprecautionarystatementsseeSection9and10.2.3and11.1.3.)2.ReferencedDocuments2.1ASTMStandards:D1356TerminologyRelatingtoSamplingandAnalysisofAtmospheres2D3686PracticeforSamplingAtmospherestoCollectOr-ganicCompoundVapors(ActivatedCharcoalTubeAd-sorptionMethod)2E355PracticeforGasChromatographyTermsandRela-tionships33.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsrelatingtothistestmethod,refertoTerminologyD1356andPracticeE355.4.SummaryofTestMethod4.1Aknownvolumeofsampleairispassedthroughaglasstubepackedwithactivatedcharcoal.Ethyleneoxideisre-movedfromtheairstreambyadsorptiononthecharcoal.4.2Atwo-sectiontubecontainingafrontandabackupsectionofadsorbentisusedtocollectthesample.Thebackup...
