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BS ISO 7503-1:2016

Current
Current

The latest, up-to-date edition.

Measurement of radioactivity. Measurement and evaluation of surface contamination General principles
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-08-2018

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions, symbols and abbreviations
4 Objectives of surface contamination measurements
5 Direct and indirect methods of assessing surface
   contamination
6 Radionuclide identification and spectral analysis
7 Monitoring instruments
8 Estimation of surface contamination monitor response
   and calibration factors
9 Evaluation of measurement data
10 Uncertainties
11 Test report for a surface contamination instrument
Annex A (informative) - Calibration of surface contamination
        instruments
Annex B (informative) - Example of surface contamination
        estimation
Annex C (informative) - Calibration of dose rate measuring
        instruments
Bibliography

Applicable to the assessment of surface contamination by direct and indirect measurements and the calibration of the associated instrumentation.

ISO7503 (all parts) and ISO8769 are addressed to the people responsible for determining the radioactivity present on solid surfaces. ISO7503 is published in three parts and can be used jointly or separately according to needs.

This part of ISO7503 relates to the assessment of surface contamination by direct and indirect measurements and the calibration of the associated instrumentation.

The standard applies to alpha-, beta- and photon emitters and is intended for use by hospitals, universities, police, or industrial establishments. The standard also can be used in the assessment of activity on trucks, containers, parcels, equipment and is applicable in any organization which handles radioactive materials. Generally, it is applicable to well defined flat surfaces where direct methods are applicable, however, it can also be used for surfaces which are not flat and where indirect wipe tests would be appropriate. These investigations may be carried out on containers, inaccessible areas, non-flat areas where wipe tests can be used. This part of ISO7503 may be useful in emergency situations, i.e. in nuclear accidents where health physics professionals would be involved.

This part of ISO7503 does not apply to the evaluation of contamination of the skin, of clothing and of loose material such as gravel.

NOTE The test method using wipe-test samples for the evaluation of radioactive surface contaminations is dealt with inISO7503-2. The calibration of instruments for the evaluation of radioactive surface contaminations is dealt with in ISO7503-3.

Committee
NCE/2
DevelopmentNote
Supersedes 14/30274840 DC. (02/2016)
DocumentType
Standard
ISBN
9780539019896
Pages
38
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 7503-1:2016 Identical

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
IEC 60846-1:2009 Radiation protection instrumentation - Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation - Part 1: Portable workplace and environmental meters and monitors
ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
ISO 31-0:1992 Quantities and units Part 0: General principles
ISO 11932:1996 Activity measurements of solid materials considered for recycling, re-use or disposal as non-radioactive waste
IEC 60325:2002 Radiation protection instrumentation - Alpha, beta and alpha/beta (beta energy >60 keV) contamination meters and monitors
ISO 8769:2016 Reference sources Calibration of surface contamination monitors Alpha-, beta- and photon emitters
ISO 11929:2010 Determination of the characteristic limits (decision threshold, detection limit and limits of the confidence interval) for measurements of ionizing radiation Fundamentals and application
ISO 18589-2:2015 Measurement of radioactivity in the environment — Soil — Part 2: Guidance for the selection of the sampling strategy, sampling and pre-treatment of samples
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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