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    I.S. EN ISO 11665-3:2020

    Current The latest, up-to-date edition.

    Measurement of radioactivity in the environment - Air: radon-222 - Part 3: Spot measurement method of the potential alpha energy concentration of its short-lived decay products

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  23-02-2020

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    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) Examples of gross alpha counting protocols
    Annex B (informative) Calculation of the coefficients k218 j Po , , k214 j Pb , and k214 j Bi ,
    Annex C (informative) Measurement method using gross alpha counting according to the Thomas protocol
    Bibliography

    Abstract - (Show below) - (Hide below)

    This document describes spot measurement methods for determining the activity concentration of short-lived radon-222 decay products in the air and for calculating the potential alpha energy concentration.

    General Product Information - (Show below) - (Hide below)

    Committee TC 85
    Document Type Standard
    Product Note The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes
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