NF EN ISO 11665-2
NF EN ISO 11665-2

NF EN ISO 11665-2

February 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 (ISO 11665-2:2012)

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Main informations

Collections

National standards and national normative documents

Thematics

Sécurité, Gestion des risques et SST, QSE

Publication date

February 2016

Release date

janvier 2020

Number of pages

23 p.

Reference

NF EN ISO 11665-2

ICS Codes

13.280   Radiation protection
17.240   Radiation measurements
27.120.01   Nuclear energy in general

Print number

1

International kinship

ISO 11665-2:2012

European kinship

EN ISO 11665-2:2015
Replaced standards (1)
NF ISO 11665-2
NF ISO 11665-2
October 2012
Standard Cancelled
Measurement of radioactivity in the environment -- Air: radon-222

Standard replaced by (1)
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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