NF EN ISO 11665-2

NF EN ISO 11665-2

October 2019
Standard Current

Measurement of radioactivity in the environment - Air : radon-222 - Part 2 : Integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products

This document 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 document covers samples taken over periods varying from a few weeks to one year. This document 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.

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Main informations

Collections

National standards and national normative documents

Thematics

Sécurité, Gestion des risques et SST, QSE

Publication date

October 2019

Number of pages

22 p.

Reference

NF EN ISO 11665-2

ICS Codes

13.040.01   Air quality in general
13.280   Radiation protection
17.240   Radiation measurements
27.120.01   Nuclear energy in general

Classification index

M60-763-2

Print number

1

International kinship

ISO 11665-2:2019

European kinship

EN ISO 11665-2:2019
Sumary
Measurement of radioactivity in the environment - Air : radon-222 - Part 2 : Integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products

This document 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 document covers samples taken over periods varying from a few weeks to one year. This document 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.

Replaced standards (1)
NF EN ISO 11665-2
January 2016
Standard Cancelled
Measurement of radioactivity in the environment - Air : radon-222 - Part 2 : integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products

<p>ISO 11665-2:2012 describes integrated measurement methods for short-lived radon-222 decay products. 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.</p> <p>ISO 11665-2:2012 covers samples taken over periods varying from a few weeks to one year. ISO 11665-2:2012 is not applicable to systems with a maximum sampling duration of less than one week.</p>

Table of contents
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  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes, définitions et symboles
  • 4 Principe
  • 5 Équipement
  • 6 Prélèvement
  • 7 Méthode de détection
  • 8 Mesurage
  • 9 Expression des résultats
  • 10 Rapport d'essai
  • Annexe A Exemple d'une méthode qui satisfait aux exigences du présent document
  • Bibliographie
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