Designation:D4597−10(Reapproved2015)StandardPracticeforSamplingWorkplaceAtmospherestoCollectGasesorVaporswithSolidSorbentDiffusiveSamplers1ThisstandardisissuedunderthefixeddesignationD4597;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthesamplingofworkplaceatmo-spheresforthepresenceofcertaingasesorvaporsbymeansofdiffusionacrossaspecifiedquiescentregionandsubsequentsorptiononasolidsorbent(1).21.2AlistoforganiccompoundswhichareapplicabletosolidsorbentsamplingwherethesorbentiscontainedinabedthroughwhichairispassedisgiveninAnnexA1ofPracticeD3686.Diffusivesamplersmaybeapplicabletoasimilarrangeofcompoundsbutthismustbeconfirmedbyreferencetotheindividualsamplermanufacturers’literature.1.3Thevaliduseofdiffusivesamplersdependsontheexistenceofactuallaboratoryorfieldvalidation,orboth.Guidanceonvalidationcanbeobtainedfrompublishedproto-cols(2-6).Thispracticeisnotdesignedtocovertheverification,validation,orspecifictestproceduresusedtoassesstheaccuracyorprecisionofdiffusivesamplers.1.4ThevaluesstatedinSIunitsshallberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:3D1356TerminologyRelatingtoSamplingandAnalysisofAtmospheresD3686PracticeforSamplingAtmospherestoCollectOr-ganicCompoundVapors(ActivatedCharcoalTubeAd-sorptionMethod)D3687PracticeforAnalysisofOrganicCompoundVaporsCollectedbytheActivatedCharcoalTubeAdsorptionMethodD6306GuideforPlacementandUseofDiffusionControlledPassiveMonitorsforGaseousPollutantsinIndoorAir2.2OtherDocument:4Title29CFR1910.1000SubpartZOccupationalHealthandSafetyStandard...