Designation:D5110−98(Reapproved2017)StandardPracticeforCalibrationofOzoneMonitorsandCertificationofOzoneTransferStandardsUsingUltravioletPhotometry1ThisstandardisissuedunderthefixeddesignationD5110;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversameansforcalibratingambient,workplace,orindoorozonemonitors,andforcertifyingtransferstandardstobeusedforthatpurpose.1.2Thispracticedescribesmeansbywhichdynamicstreamsofozoneinaircanbedesignatedasprimaryozonestandards.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.SeeSection8forspecificprecautionarystatements.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1356TerminologyRelatingtoSamplingandAnalysisofAtmospheresD3195PracticeforRotameterCalibrationD3249PracticeforGeneralAmbientAirAnalyzerProce-duresD3631TestMethodsforMeasuringSurfaceAtmosphericPressureD5011PracticesforCalibrationofOzoneMonitorsUsingTransferStandardsE220TestMethodforCalibrationofThermocouplesByComparisonTechniquesE591PracticeforSafetyandHealthRequirementsRelatingtoOccupationalExposuretoOzone(Withdrawn1990)3E644TestMethodsforTestingIndustrialResistanceTher-mometers3.Terminology3.1Definitions—Fordefinitionsoftermsusedinthispractice,refertoTermin...
