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BS EN ISO 11665-2:2015

BS EN ISO 11665-2:2015

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Measurement of radioactivity in the environment. Air: radon-222 Integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products

Available format(s)

Hardcopy , PDF

Superseded date

06-11-2019

Language(s)

English

Published date

31-10-2015

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Principle of the measurement method
5 Equipment
6 Sampling
7 Detection method
8 Measurement
9 Expression of results
10 Test report
Annex A (informative) - Example of a method meeting
        the requirements of this part of ISO 11665
Bibliography

Explains integrated measurement methods for short-lived radon-222 decay products.

This part of ISO 11665 describes integrated measurement methods for short-lived radon-222 decay products[4]. It gives indications for measuring the average potential alpha energy concentration of short-lived radon-222 decay products in the air and the conditions of use for the measuring devices.

This part of ISO 11665 covers samples taken over periods varying from a few weeks to one year. This part of ISO 11665 is not applicable to systems with a maximum sampling duration of less than one week.

The measurement method described is applicable to air samples with potential alpha energy concentration of short-lived radon-222 decay products greater than 10 nJ/m3 and lower than 1 000 nJ/m3.

NOTE For informative purposes only, this document also addresses the case of radon-220 decay products, given the similarity in behaviour of the radon isotopes 222 and 220.

Committee
NCE/2
DevelopmentNote
Renumbers and supersedes BS ISO 11665-2. 2015 version incorporates corrigendum to BS ISO 11665-2. Supersedes 10/30186187 DC. (10/2015)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
EN ISO 11665-2:2015 Identical
ISO 11665-2:2012 Identical

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
ISO 11665-1:2012 Measurement of radioactivity in the environment Air: radon-222 Part 1: Origins of radon and its short-lived decay products and associated measurement methods
IEC 61577-1:2006 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 1: General principles
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
IEC 61577-3:2011 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments
IEC 61577-4:2009 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 4: Equipment for the production of reference atmospheres containing radon isotopes and their decay products (STAR)
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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Hardcopy - English
PDF - English
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