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Active standard | Published: 01/08/2020
ČSN EN ISO 11665-6
Measurement of radioactivity in the environment - Air: radon-222 - Part 6: Spot measurement methods of the activity concentration
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Detail information
Designation: ČSN EN ISO 11665-6
Publication date: 01/08/2020
Pages: 28
Country: Czech technical standard
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This document describes radon-222 spot measurement methods. It gives indications for carrying out spot measurements, at the scale of a few minutes at a given place, of the radon activity concentration in open and confined atmospheres.This measurement method is intended for rapid assessment of the radon activity concentration in the air. The result cannot be extrapolated to an annual estimate of the radon activity concentration. This type of measurement is therefore not applicable for assessment of the annual exposure or for determining whether or not to mitigate citizen exposures to radon or radon decay products.
The measurement method described is applicable to air samples with radon activity concentration greater than 50 Bq/m3
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