1、Designation:D515622Standard Test Methods forContinuous Measurement of Ozone in Ambient,Workplace,and Indoor Atmospheres(Ultraviolet Absorption)1This standard is issued under the fixed designation D5156;the number immediately following the designation indicates the year oforiginal adoption or,in the
2、case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method describes the sampling and continuousanalysis of ozone(O3)in the atmosphere a
3、t concentrationsranging from 10 to 2000 g/m3of O3in air(5 ppb(v)to1 ppm(v).1.1.1 The test method is limited to applications by itssensitivity to interferences as described in Section 6.Theinterference sensitivities may limit its use for ambient andworkplace atmospheres.1.2 The values stated in SI un
4、its are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environ
5、mental practices and deter-mine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards
6、,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1356 Terminology Relating to Sampling and Analysis ofAtmospheresD1357 Practice for Planning the Sampling of the AmbientAtmosphereD1914 Practice for
7、Conversion Units and Factors Relating toSampling and Analysis of AtmospheresD3249 Practice for General Ambient Air Analyzer Proce-duresD3631 Test Methods for Measuring Surface AtmosphericPressureD3670 Guide for Determination of Precision and Bias ofMethods of Committee D22D5011 Practices for Calibra
8、tion of Ozone Monitors UsingTransfer StandardsD5110 Practice for Calibration of Ozone Monitors andCertification of Ozone Transfer Standards Using Ultravio-let PhotometryIEEE/ASTM SI-10 Practice for Use of the InternationalSystem of Units(SI)(the Modernized Metric System)2.2 Other Documents:EPA-600/4
9、-76-005 Quality Assurance Handbook for AirPollution Measurement Systems,Vol I,“Principles”3EPA-600/4-77-027a Quality Assurance Handbook for AirPollution Measurement Systems,Vol II,“Ambient AirSpecific Methods”33.Terminology3.1 DefinitionsFor definitions of terms used in this testmethod,refer to Term
10、inology D1356.An explanation of units,symbols,and conversion factors may be found in PracticeIEEE/ASTM SI-10.3.2 Definitions of Terms Specific to This Standard:3.2.1 absolute ultraviolet photometera photometer whosedesign,construction,and maintenance is such that it canmeasure the absorbance caused
11、by O3mixtures without refer-ence to external absorption standards.Given a value for theabsorption coefficient of O3at 253.7 nm and a reading from theabsolute ultraviolet photometer,O3concentrations can becalculated with accuracy.An absolute ultraviolet photometer isused only on prepared O3mixtures f
12、ree from interferences,asin calibration activity.3.2.2 primary standarda standard directly defined andestablished by some authority,against which all secondarystandards are compared.1These test methods are under the jurisdiction of ASTM Committee D22 on AirQuality and is the direct responsibility of
13、 Subcommittee D22.03 on AmbientAtmospheres and Source Emissions.Current edition approved Sept.1,2022.Published September 2022.Originallyapproved in 1991.Last previous edition approved in 2016 as D5156 02(2016).DOI:10.1520/D5156-22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,or
14、contact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from National Technical Information Service(NTIS),5301 ShawneeRd.,Alexandria,VA 22312,http:/www.ntis.gov.Copyright ASTM Inte
15、rnational,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guide
16、s and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.13.2.3 secondary standarda standard used as a means ofcomparison,but checked against a primary standard.3.2.4 standardan accepted reference sample or deviceused for establishing the measurement of a physical quantity.3.2.5 transfer standarda type of secondary standard;it isa transportable device or apparatus that,together with opera-tional procedures,is capable of reproducing pollutant concen-t