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Homepage>CSN Standards>40 NUCLEAR ENGINEERING>4040 Nomenclature. Methods of measuring and testing of radioactive products>CSN EN ISO 11665-3 - 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
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Released: 01.08.2020
CSN EN ISO 11665-3 - 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

CSN EN ISO 11665-3

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

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Number of Standard:CSN EN ISO 11665-3
Category:404013
Pages:32
Released:01.08.2020
Catalog number:510103
DESCRIPTION

CSN EN ISO 11665-3

CSN EN ISO 11665-3 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.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.