ISO 11665-4:2020
Measurement of radioactivity in the environment — Air: radon-222 — Part 4: Integrated measurement method for determining average activity concentration using passive sampling and delayed analysis
Reference number
ISO 11665-4:2020
Edición 2
ISO 11665-4:2020
Retirada (Edición 2, 2020)


This document describes radon-222 integrated measurement techniques with passive sampling. It gives indications for determining the average activity concentration of the radon-222 in the air from measurements based on easy-to-use and low-cost passive sampling, and the conditions of use for the sensors.

This document covers samples taken without interruption over periods varying from a few days to one year.

This measurement method is applicable to air samples with radon activity concentrations greater than 5 Bq/m3.

Informaciones generales

  •  : Retirada
     : 2020-01
    : Retirada de la Norma Internacional [95.99]
  •  : 2
     : 31
  • ISO/TC 85/SC 2
    17.240  13.040.01 
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