ASTM D5110-22a
(Practice)Standard Practice for Calibration of Ozone Monitors and Certification of Ozone Transfer Standards Using Ultraviolet Photometry
Standard Practice for Calibration of Ozone Monitors and Certification of Ozone Transfer Standards Using Ultraviolet Photometry
SIGNIFICANCE AND USE
5.1 The reactivity and instability of O3 preclude the storage of O3 concentration standards for any practical length of time, and precludes direct certification of O3 concentrations as Standard Reference Materials (SRMs). Moreover, there is no available SRM that can be readily and directly adapted to the generation of O3 standards analogous to permeation devices and standard gas cylinders for sulfur dioxide and nitrogen oxides. Dynamic generation of O3 concentrations is relatively easy with a source of ultraviolet (UV) radiation. However, accurately certifying an O3 concentration as a primary standard requires assay of the concentration by a comprehensively specified analytical procedure, which must be performed every time a standard is needed (10).
5.2 This practice is not designed for the routine calibration of O3 monitors at remote locations (see Practices D5011).
SCOPE
1.1 This practice covers a means for calibrating ambient, workplace, or indoor ozone monitors, and for certifying transfer standards to be used for that purpose.
1.2 This practice describes means by which dynamic streams of ozone in air can be designated as primary ozone standards.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. See Section 8 for specific precautionary statements.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D5110 −22a
Standard Practice for
Calibration of Ozone Monitors and Certification of Ozone
1
Transfer Standards Using Ultraviolet Photometry
This standard is issued under the fixed designation D5110; 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 D5011Practices for Calibration of Ozone Monitors Using
Transfer Standards
1.1 This practice covers a means for calibrating ambient,
E220Test Method for Calibration of Thermocouples By
workplace, or indoor ozone monitors, and for certifying
Comparison Techniques
transfer standards to be used for that purpose.
E591Practice for Safety and Health Requirements Relating
3
1.2 This practice describes means by which dynamic
to Occupational Exposure to Ozone (Withdrawn 1990)
streams of ozone in air can be designated as primary ozone
E644Test Methods for Testing Industrial Resistance Ther-
standards.
mometers
1.3 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this 3. Terminology
standard.
3.1 Definitions—For definitions of terms used in this
1.4 This standard does not purport to address all of the
practice, refer to Terminology D1356.
safety concerns, if any, associated with its use. It is the
3.2 Definitions of Terms Specific to This Standard:
responsibility of the user of this standard to establish appro- 3.2.1 primary standard, n—a standard directly defined and
priate safety, health, and environmental practices and deter-
established by some authority, against which all secondary
mine the applicability of regulatory limitations prior to use. standards are compared.
See Section 8 for specific precautionary statements.
3.2.2 secondary standard, n—a standard used as a means of
1.5 This international standard was developed in accor-
comparison, but checked against a primary standard.
dance with internationally recognized principles on standard-
3.2.3 standard, n—an accepted reference sample or device
ization established in the Decision on Principles for the
used for establishing measurement of a physical quantity.
Development of International Standards, Guides and Recom-
3.2.4 transfer standard, n—a type of secondary standard. It
mendations issued by the World Trade Organization Technical
is a transportable device or apparatus that, together with
Barriers to Trade (TBT) Committee.
operational procedures, is capable of reproducing pollutant
2. Referenced Documents
concentration or producing acceptable assays of pollutant
2
concentrations.
2.1 ASTM Standards:
D1356Terminology Relating to Sampling and Analysis of 3.2.5 zero air, n—purified air that does not contain ozone,
Atmospheres
and does not contain any other component that may interfere
D3195Practice for Rotameter Calibration with the measurement (see 7.1).
D3249Practice for General Ambient Air Analyzer Proce-
dures 4. Summary of Practice
D3631Test Methods for Measuring Surface Atmospheric
4.1 Thispracticeisbasedonthephotometricassayofozone
Pressure
(O ) concentrations in a dynamic flow system. The concentra-
3
tion of O in an absorption cell is determined from a measure-
3
1
ment of the amount of 253.7 nm light absorbed by the sample.
This practice is under the jurisdiction of ASTM Committee D22 on Air
Qualityand is the direct responsibility of Subcommittee D22.03 on Ambient
This determination requires knowledge of (1) the absorption
Atmospheres and Source Emissions.
coefficient of O at 253.7 nm, (2) the optical path length
3
Current edition approved Sept. 1, 2022. Published September 2022. Originally
through the sample, (3) the transmittance of the sample at a
approved in 1990. Last previous edition approved in 2022 as D5110–22. DOI:
10.1520/D5110-22A.
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 The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D5110 − 22a
wavelength of 253.7 nm, and (4) the temperature and pressure source of zero air, and other components as necessary. The
of the sample. The transmittance is defined as the ratio: configuration must provide a stable O concentration a
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM 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: D5110 − 22 D5110 − 22a
Standard Practice for
Calibration of Ozone Monitors and Certification of Ozone
1
Transfer Standards Using Ultraviolet Photometry
This standard is issued under the fixed designation D5110; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number 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 This practice covers a means for calibrating ambient, workplace, or indoor ozone monitors, and for certifying transfer
standards to be used for that purpose.
1.2 This practice describes means by which dynamic streams of ozone in air can be designated as primary ozone standards.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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, health, and environmental practices and determine the applicability of
regulatory limitations prior to use. See Section 8 for specific precautionary statements.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
D1356 Terminology Relating to Sampling and Analysis of Atmospheres
D3195 Practice for Rotameter Calibration
D3249 Practice for General Ambient Air Analyzer Procedures
D3631 Test Methods for Measuring Surface Atmospheric Pressure
D5011 Practices for Calibration of Ozone Monitors Using Transfer Standards
E220 Test Method for Calibration of Thermocouples By Comparison Techniques
3
E591 Practice for Safety and Health Requirements Relating to Occupational Exposure to Ozone (Withdrawn 1990)
E644 Test Methods for Testing Industrial Resistance Thermometers
3. Terminology
3.1 Definitions—For definitions of terms used in this practice, refer to Terminology D1356.
3.2 Definitions of Terms Specific to This Standard:
1
This practice is under the jurisdiction of ASTM Committee D22 on Air Quality and is the direct responsibility of Subcommittee D22.03 on Ambient Atmospheres and
Source Emissions.
Current edition approved May 1, 2022Sept. 1, 2022. Published September 2022. Originally approved in 1990. Last previous edition approved in 20172022 as D5110 – 98
(2017).D5110 – 22. DOI: 10.1520/D5110-22.10.1520/D5110-22A.
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 Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
The last approved version of this historical standard is referenced on www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D5110 − 22a
3.2.1 primary standard, n—a standard directly defined and established by some authority, against which all secondary standards
are compared.
3.2.2 secondary standard, n—a standard used as a means of comparison, but checked against a primary standard.
3.2.3 standard, n—an accepted reference sample or device used for establishing measurement of a physical quantity.
3.2.4 transfer standard, n—a type of secondary standard. It is a transportable device or apparatus that, together with operational
procedures, is capable of reproducing pollutant concentration or producing acceptable assays of pollutant concentrations.
3.2.5 zero air, n—purified air that does not contain ozone, and does not contain any other component that may interfere with the
measurement (see 7.1).
4. Summary of Practice
4.1 This practice is based on the photometric assay of ozone (O ) concentrations in a dynamic flow system. The concentration of
3
O in an absorption cell is determined from a measurement of the amount of 253.7 nm light absorbed by the sample. This
3
determination requires knowledge of (1) the absorption coefficient of O at 253.7 nm, (2) the optical path length through the
3
sample, (3) the transmittance of the sample at a wavelength of 253.7 nm, and (4) the temp
...
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