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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.040 Air quality>13.040.01 Air quality in general>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
immediate downloadReleased: 2020-02-12
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

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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Standard number:BS EN ISO 11665-3:2020
Pages:28
Released:2020-02-12
ISBN:978 0 539 01223 1
Status:Standard
DESCRIPTION

BS EN ISO 11665-3:2020


This standard BS EN ISO 11665-3:2020 Measurement of radioactivity in the environment. Air: radon-222 is classified in these ICS categories:
  • 17.240 Radiation measurements
  • 13.040.01 Air quality in general

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.