Designation:D5156−02(Reapproved2016)StandardTestMethodsforContinuousMeasurementofOzoneinAmbient,Workplace,andIndoorAtmospheres(UltravioletAbsorption)1ThisstandardisissuedunderthefixeddesignationD5156;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribesthesamplingandcontinuousanalysisofozone(O3)intheatmosphereatconcentrationsrangingfrom10to2000µg/m3ofO3inair(5ppb(v)to1ppm(v)).1.1.1ThetestmethodislimitedtoapplicationsbyitssensitivitytointerferencesasdescribedinSection6.Theinterferencesensitivitiesmaylimititsuseforambientandworkplaceatmospheres.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1356TerminologyRelatingtoSamplingandAnalysisofAtmospheresD1357PracticeforPlanningtheSamplingoftheAmbientAtmosphereD1914PracticeforConversionUnitsandFactorsRelatingtoSamplingandAnalysisofAtmospheresD3249PracticeforGeneralAmbientAirAnalyzerProce-duresD3631TestMethodsforMeasuringSurfaceAtmosphericPressureD3670GuideforDeterminationofPrecisionandBiasofMethodsofCommitteeD22D5011PracticesforCalibrationofOzoneMonitorsUsingTransferStandardsD5110PracticeforCalibrationofOzoneMonitorsandCertificationofOzoneTransferStandardsUsingUltravio-letPhotometryIEEE/ASTMSI-10PracticeforUseoftheInternationalSystemofUnits(SI)(theModernizedMetricSystem)2.2OtherDocuments:EPA-600/4-76-005QualityAssuranceHandbookforAirPollutionMeasurementSystems,VolI,“Principles”3EPA-600/4-77-027aQualityAssuranceHandbookforAirPollutionMeasurementSystems,Vo...
