ASTM D5156-02(2008)
(Test Method)Standard Test Methods for Continuous Measurement of Ozone in Ambient, Workplace, and Indoor Atmospheres (Ultraviolet Absorption)
Standard Test Methods for Continuous Measurement of Ozone in Ambient, Workplace, and Indoor Atmospheres (Ultraviolet Absorption)
SIGNIFICANCE AND USE
Standards for O3 in the atmosphere have been promulgated by government authorities to protect the health and welfare of the public (5) and also for the protection of industrial workers (6).
Although O3 itself is a toxic material, in ambient air it is primarily the photochemical oxidants formed along with O3 in polluted air exposed to sunlight that cause smog symptoms such as lachrymation and burning eyes. Ozone is much more easily monitored than these photochemical oxidants and provides a good indication of their concentrations, and it is therefore the substance that is specified in air quality standards and regulations.
SCOPE
1.1 This test method describes the sampling and continuous analysis of ozone (O3) in the atmosphere at concentrations ranging from 10 to 2000 μg/m3 of O3 in air (5 ppb(v) to 1 ppm(v)).
1.1.1 The test method is limited to applications by its sensitivity to interferences as described in Section 6. The interference sensitivities may limit its use for ambient and workplace atmospheres.
1.2 The values stated in SI units are to be regarded as the standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: D5156 − 02(Reapproved 2008)
Standard Test Methods for
Continuous Measurement of Ozone in Ambient, Workplace,
1
and Indoor Atmospheres (Ultraviolet Absorption)
This standard is issued under the fixed designation D5156; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D5110Practice for Calibration of Ozone Monitors and
CertificationofOzoneTransferStandardsUsingUltravio-
1.1 This test method describes the sampling and continuous
let Photometry
analysis of ozone (O ) in the atmosphere at concentrations
3
3 IEEE/ASTM SI-10Practice for Use of the International
ranging from 10 to 2000 µg/m of O in air (5 ppb(v) to 1
3
System of Units (SI) (the Modernized Metric System)
ppm(v)).
2.2 Other Documents:
1.1.1 The test method is limited to applications by its
EPA-600/4-76-005 Quality Assurance Handbook for Air
sensitivity to interferences as described in Section 6. The
3
Pollution Measurement Systems, Vol I, “Principles”
interference sensitivities may limit its use for ambient and
EPA-600/4-77-027a Quality Assurance Handbook for Air
workplace atmospheres.
Pollution Measurement Systems, Vol II, “Ambient Air
1.2 The values stated in SI units are to be regarded as the 3
Specific Methods”
standard.
3. Terminology
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 3.1 Definitions—For definitions of terms used in this test
responsibility of the user of this standard to establish appro- method, refer to Terminology D1356.An explanation of units,
priate safety and health practices and determine the applica- symbols, and conversion factors may be found in Practice
bility of regulatory limitations prior to use. IEEE/ASTM SI-10.
3.2 Definitions of Terms Specific to This Standard:
2. Referenced Documents
3.2.1 absolute ultraviolet photometer—a photometer whose
2
2.1 ASTM Standards:
design, construction, and maintenance is such that it can
D1356Terminology Relating to Sampling and Analysis of
measure the absorbance caused by O mixtures without refer-
3
Atmospheres
ence to external absorption standards. Given a value for the
D1357Practice for Planning the Sampling of the Ambient
absorptioncoefficientofO at253.7nmandareadingfromthe
3
Atmosphere
absolute ultraviolet photometer, O concentrations can be
3
D1914PracticeforConversionUnitsandFactorsRelatingto
calculatedwithaccuracy.Anabsoluteultravioletphotometeris
Sampling and Analysis of Atmospheres
used only on prepared O mixtures free from interferences, as
3
D3249Practice for General Ambient Air Analyzer Proce-
in calibration activity.
dures
3.2.2 primary standard—a standard directly defined and
D3631Test Methods for Measuring Surface Atmospheric
established by some authority, against which all secondary
Pressure
standards are compared.
D3670Guide for Determination of Precision and Bias of
3.2.3 secondary standard—a standard used as a means of
Methods of Committee D22
comparison, but checked against a primary standard.
D5011Practices for Calibration of Ozone Monitors Using
3.2.4 standard—an accepted reference sample or device
Transfer Standards
used for establishing the measurement of a physical quantity.
1
These test methods are under the jurisdiction ofASTM Committee D22 on Air
3.2.5 transfer standard—a type of secondary standard; it is
Quality and is the direct responsibility of Subcommittee D22.03 on Ambient
a transportable device or apparatus that, together with opera-
Atmospheres and Source Emissions.
tional procedures, is capable of reproducing pollutant concen-
Current edition approved April 1, 2008. Published July 2008. Originally
approved in 1991. Last previous edition approved in 2002 as D5156–02. DOI: trations or producing acceptable assays of pollutant concentra-
10.1520/D5156-02R08.
tions.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from NationalTechnical Information Service (NTIS), 5301 Shawnee
the ASTM website. Rd., Alexandria, VA 22312, http://www.ntis.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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D5156 − 02 (2008)
4. Summary of Test Method welfare of the public (5) and also for the protection of
industrial workers (6).
4.1 Thistestmethodisbasedontheabsorptionofultraviolet
radiation at 253.7-nm wavelength by O and the use of an
5.2 AlthoughO itselfisatoxicmate
...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately,ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:D5156–95 Designation:D5156–02 (Reapproved 2008)
Standard Test Methods for
Continuous Measurement of Ozone in Ambient, Workplace,
1
and Indoor Atmospheres (Ultraviolet Absorption)
This standard is issued under the fixed designation D5156; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 Thistestmethoddescribesthesamplingandcontinuousanalysisofozone(O )intheatmosphereatconcentrationsranging
3
3
from 10 to 2000 µg/m of O in air (5 ppb(v) to 1 ppm(v)).
3
1.1.1 The test method is limited to applications by its sensitivity to interferences as described in Section 6. The interference
sensitivities may limit its use for ambient and workplace atmospheres.
1.2 The values stated in SI units are to be regarded as the standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
D1356 Terminology Relating to Sampling and Analysis of Atmospheres
D1357 Practice for Planning the Sampling of the Ambient Atmosphere
D1914 Practice for Conversion Units and Factors Relating to Sampling and Analysis of Atmospheres
D3249 Practice for General Ambient Air Analyzer Procedures
D3631 Test Methods for Measuring Surface Atmospheric Pressure
2
D3670 Guide for Determination of Precision and Bias of Methods of Committee D-22 D22
D5011 Practices for Calibration of Ozone Monitors Using Transfer Standards
D5110 PracticeforCalibrationofOzoneMonitorsandCertificationofOzoneTransferStandardsUsingUltravioletPhotometry
E380Practice for Use of the International System of Units (SI) (the Modernized Metric System)
E591PracticeforSafetyandHealthRequirementsRelatingtoOccupationalExposuretoOzoneIEEE/ASTMSI-10 Practicefor
UseoftheInternationalSys-
tem of Units (SI) (the Mod-
ernized Metric System)
2.2 Other Documents:
3
EPA-600/4-76-005, Quality Assurance Handbook for Air Pollution Measurement Systems, Vol I, “Principles”
EPA-600/4-77-027a, Quality Assurance Handbook for Air Pollution Measurement Systems, Vol II, “Ambient Air Specific
3
Methods”
3. Terminology
3.1 Definitions—For definitions of terms used in this test method, refer to Terminology D1356. An explanation of units,
symbols, and conversion factors may be found in Practice E380.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 absolute ultraviolet photometer—a photometer whose design, construction, and maintenance is such that it can measure
1
These test methods are under the jurisdiction of ASTM Committee D-22 on Sampling and Analysis of Atmospheres and is the direct responsibility of Subcommittee
D22.03 on Ambient Atmospheres and Source Emissions.
Current edition approved Sept. 10, 1995. Published November 1995. Originally published as D5156–91. Last previous edition D5156–91.
1
ThesetestmethodsareunderthejurisdictionofASTMCommitteeD22onAirQualityandisthedirectresponsibilityofSubcommitteeD22.03onAmbientAtmospheres
and Source Emissions.
Current edition approved April 1, 2008. Published July 2008. Originally approved in 1991. Last previous edition approved in 2002 as D5156-02.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.For Annual Book of ASTM Standards
, Vol 11.03.volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Annual Book of ASTM Standards, Vol 14.02.
3
Available from National Technical Information Service (NTIS), 5285 Port Royal Rd., Springfield, VA 22161, http://www.ntis.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
D5156–02 (2008)
the absorbance caused by O mixtures without reference to external absorption standards. Given a value for the absorption
3
coefficient of O at 253.7 nm and a reading from the absolute ultraviolet photometer, O concentrations can be calculated with
3 3
accuracy.AnabsoluteultravioletphotometerisusedonlyonpreparedO mixturesfreefrominterferences,asincalibrationactivity.
3
3.2.2 primary standard—a standard directly defined and established by some authorit
...
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