ASTM E170-15a
(Terminology)Standard Terminology Relating to Radiation Measurements and Dosimetry
Standard Terminology Relating to Radiation Measurements and Dosimetry
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Designation: E170 − 15a
StandardTerminology Relating to
1
Radiation Measurements and Dosimetry
This standard is issued under the fixed designation E170; 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.
INTRODUCTION
This terminology generally covers terms that apply to radiation measurements and dosimetry
associatedwithenergydepositionandradiationeffects,ordamage,inmaterialscausedbyinteractions
by high-energy radiation fields. The common radiation fields considered are X-rays, gamma rays,
electrons, alpha particles, neutrons, and mixtures of these fields. This treatment is not intended to be
exhaustive but reflects special and common terms used in technology and applications of interest to
CommitteeE10,asforexample,inareasofradiationeffectsoncomponentsofnuclearpowerreactors,
radiation hardness testing of electronics, and radiation processing of materials.
Thisterminologyusesrecommendeddefinitionsandconceptsofquantities,withunits,forradiation
measurements as contained in the International Commission on Radiation Units and Measurements
2
(ICRU) Report 85a on “Fundamental Quantities and Units for Ionizing Radiation,” October 2011.
Those terms that are defined essentially according to the terminology of ICRU Report 85a will be
followedbyICRUinparentheses.Itshouldalsobenotedthattheunitsforquantitiesusedarethelatest
adopted according to the International System of Units (SI) which are contained in Appendix X1 as
2
taken from a table in ICRU Report 85a. This terminology also uses recommended definitions of two
3
JCGM documents, namely “International vocabulary of metrology” (VIM, 2012, unless indicated
otherwise) and “Guide to the expression of uncertainty in measurement” (GUM, 2008). Those terms
thataredefinedessentiallyaccordingtotheterminologyofthesedocumentswillbefollowedbyeither
VIM or GUM in parentheses.
A term is boldfaced when it is defined in this standard. For some terms, text in italics is used just
before the definition to limit its field of application, for example, see activity.
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1. Referenced Documents (SI) (the Modernized Metric System) (Withdrawn 1997)
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E456Terminology Relating to Quality and Statistics
1.1 ASTM Standards:
E722PracticeforCharacterizingNeutronFluenceSpectrain
E380Practice for Use of the International System of Units
Terms of an Equivalent Monoenergetic Neutron Fluence
for Radiation-Hardness Testing of Electronics
1 E910Test Method for Application and Analysis of Helium
ThisterminologyisunderthejurisdictionofASTMCommitteeE10onNuclear
Accumulation Fluence Monitors for Reactor Vessel
Technology and Applications and is the direct responsibility of Subcommittee
E10.93 on Editorial.
Surveillance, E706 (IIIC)
Current edition approved Sept. 1, 2015. Published October 2015. Originally
1.2 Joint Committee for Guides in Metrology (JCGM)
approved in 1963. Last previous edition approved in 2015 as E170–15. DOI:
3
10.1520/E0170-15A. Reports:
2
ICRU Report 60 has been superseded by ICRU Report 85a on “Fundamental
JCGM 100:2008, GUM 1995, with minor corrections,
Quantities and Units for Ionizing Radiation,” October 2011. Both of these
Evaluationofmeasurementdata–Guidetotheexpression
documents are available from International Commission on Radiation Units and
of uncertainty in measurement
Measurements (ICRU), 7910 Woodmont Ave., Suite 800, Bethesda, MD 20814.
3
Document produced by Working Groups of the Joint Committee for Guides in
JCGM 200:2012, VIMInternational vocabulary of metrol-
Metrology (JCGM). Available free of charge at BIPM website (http://
ogy – Basic and general concepts and associated terms
www.bipm.org).
4
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
5
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
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E170 − 15a
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1.3 ICRU Documents: A52dN/dt (4)
ICRU 60Fundamental Quantities and Units for Ionizing
−1
Unit: s
Radiation, December 30, 1998
The special name for the unit of activity is the becquerel
ICRU 85aFundamental Quantities and Units for Ionizing
(Bq), where
Radiation, October, 2011
21
6
1Bq 51s (5)
1.4 NIST Document:
DISCUSSION—The former special unit of activity was the curie (Ci),
NIST Technical Note 1297Guidelines for Evaluating and
where
Expressing the Uncertainty of NIST Measur
...
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: E170 − 15 E170 − 15a
Standard Terminology Relating to
1
Radiation Measurements and Dosimetry
This standard is issued under the fixed designation E170; 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.
INTRODUCTION
This terminology generally covers terms that apply to radiation measurements and dosimetry
associated with energy deposition and radiation effects, or damage, in materials caused by interactions
by high-energy radiation fields. The common radiation fields considered are X-rays, gamma rays,
electrons, alpha particles, neutrons, and mixtures of these fields. This treatment is not intended to be
exhaustive but reflects special and common terms used in technology and applications of interest to
Committee E10, as for example, in areas of radiation effects on components of nuclear power reactors,
radiation hardness testing of electronics, and radiation processing of materials.
This terminology uses recommended definitions and concepts of quantities, with units, for radiation
measurements as contained in the International Commission on Radiation Units and Measurements
(ICRU) Report 85a on “Fundamental Quantities and Units for Ionizing Radiation,” October
2
20112011. Those terms that are defined essentially according to the terminology of ICRU Report 85a
will be followed by ICRU in parentheses. It should also be noted that the units for quantities used are
the latest adopted according to the International System of Units (SI) which are contained in Appendix
2
X1 as taken from a table in ICRU Report 85a. This terminology also uses recommended definitions
3
of two ISO documentsJCGM documents, , namely “International Vocabulary of Basic and General
Terms in Metrology.” (VIM, 2008) vocabulary of metrology” (VIM, 2012, unless indicated otherwise)
and “Guide to the Expressionexpression of Uncertaintyuncertainty in Measurement”measurement”
(GUM, 1995).2008). Those terms that are defined essentially according to the terminology of these
documents will be followed by either VIM or GUM in parentheses.
A term is boldfaced when it is defined in this standard. For some terms, text in italics is used just
before the definition to limit its field of application, for example, see activity.
1. Referenced Documents
4
1.1 ASTM Standards:
5
E380 Practice for Use of the International System of Units (SI) (the Modernized Metric System) (Withdrawn 1997)
E456 Terminology Relating to Quality and Statistics
5
E706 Master Matrix for Light-Water Reactor Pressure Vessel Surveillance Standards, E 706(0) (Withdrawn 2011)
E722 Practice for Characterizing Neutron Fluence Spectra in Terms of an Equivalent Monoenergetic Neutron Fluence for
Radiation-Hardness Testing of Electronics
E910 Test Method for Application and Analysis of Helium Accumulation Fluence Monitors for Reactor Vessel Surveillance,
E706 (IIIC)
1
This terminology is under the jurisdiction of ASTM Committee E10 on Nuclear Technology and Applications and is the direct responsibility of Subcommittee E10.93
on Editorial.
Current edition approved March 15, 2015Sept. 1, 2015. Published April 2015October 2015. Originally approved in 1963. Last previous edition approved in 20142015 as
E170 – 14a.E170 – 15. DOI: 10.1520/E0170-15.10.1520/E0170-15A.
2
ICRU Report 60 has been supercededsuperseded by ICRU Report 85a on “Fundamental Quantities and Units for Ionizing Radiation,” October 2011. Both of these
documents are available from International Commission on Radiation Units and Measurements (ICRU), 7910 Woodmont Ave., Suite 800, Bethesda, MD 20814.
3
Available from International Organization for Standardization (ISO), 1 Rue de Varembe, Case Postale 56, CH-1211, Geneva 20, Switzerland, http://www.iso.ch.
Document produced by Working Groups of the Joint Committee for Guides in Metrology (JCGM). Available free of charge at BIPM website (http://www.bipm.org).
4
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.
5
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
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