Designation:D4597−10(Reapproved2021)StandardPracticeforSamplingWorkplaceAtmospherestoCollectGasesorVaporswithSolidSorbentDiffusiveSamplers1ThisstandardisissuedunderthefixeddesignationD4597;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthesamplingofworkplaceatmo-spheresforthepresenceofcertaingasesorvaporsbymeansofdiffusionacrossaspecifiedquiescentregionandsubsequentsorptiononasolidsorbent(1).21.2AlistoforganiccompoundswhichareapplicabletosolidsorbentsamplingwherethesorbentiscontainedinabedthroughwhichairispassedisgiveninAnnexA1ofPracticeD3686.Diffusivesamplersmaybeapplicabletoasimilarrangeofcompoundsbutthismustbeconfirmedbyreferencetotheindividualsamplermanufacturer’sliterature.1.3Thevaliduseofdiffusivesamplersdependsontheexistenceofactuallaboratoryorfieldvalidation,orboth.Guidanceonvalidationcanbeobtainedfrompublishedproto-cols(2-6).Thispracticeisnotdesignedtocovertheverification,validation,orspecifictestproceduresusedtoassesstheaccuracyorprecisionofdiffusivesamplers.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:3D1356TerminologyRelatingtoSamplingandAnalysisofAtmospheresD3686PracticeforSamplingAtmosph...
