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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 11665-2:2019 Measurement of radioactivity in the environment. Air: radon-222 Integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products
immediate downloadReleased: 2019-11-06
BS EN ISO 11665-2:2019 Measurement of radioactivity in the environment. Air: radon-222 Integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products

BS EN ISO 11665-2:2019

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

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Standard number:BS EN ISO 11665-2:2019
Pages:22
Released:2019-11-06
ISBN:978 0 539 01222 4
Status:Standard
DESCRIPTION

BS EN ISO 11665-2:2019


This standard BS EN ISO 11665-2:2019 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 integrated measurement methods for short-lived radonâ??222 decay products[ 4]. It gives indications for measuring the average potential alpha energy concentration of shortâ??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.