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BSI BS EN ISO 11665-3:2020

Measurement of radioactivity in the environment. Air: radon-222 -- Spot measurement method of the potential alpha energy concentration of its short-lived decay products
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BSI BS EN ISO 11665-3:2020

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

PUBLISH DATE 2020
PAGES 28
BSI BS EN ISO 11665-3:2020

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.

This document gives indications for performing a spot measurement of the potential alpha energy concentration, after sampling at a given place for several minutes, and the conditions of use for the measuring devices.

The measurement method described is applicable for a rapid assessment of the potential alpha energy concentration. The result obtained cannot be extrapolated to an annual estimate potential alpha energy concentration of short-lived radon-222 decay products. Thus, this type of measurement is not applicable for the assessment of annual exposure or for determining whether or not to mitigate citizen exposures to radon or radon decay products.

This measurement method is applicable to air samples with potential alpha energy concentration greater than 5 nJ/m3.

NOTE

This document does not address the potential contribution of radon-220 decay products.

SDO BSI: British Standards Institution
Document Number ISO 11665-3
Publication Date Feb. 12, 2020
Language en - English
Page Count 28
Revision Level
Supercedes
Committee NCE/2
Publish Date Document Id Type View
Feb. 12, 2020 BS EN ISO 11665-3:2020 Revision
July 31, 2012 BS EN ISO 11665-3:2012 Revision
July 31, 2012 BS ISO 11665-3:2012 Revision
Oct. 31, 2015 BS EN ISO 11665-3:2015 Consolidated