BS EN ISO 11665-3:2015 PDF

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

Название (английский):

BS EN ISO 11665-3:2015

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

Статус документа:: Отменён
Формат:: Электронный (PDF)
Дата публикации:: 31 июля 2012 г.
ICS:: 13.040.01
Технический комитет:: CEN
SKU:: BS EN ISO 11665-3:2015

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Abstract

1 Scope This part of ISO 11665 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 part of ISO 11665 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. This measurement method 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. This measurement method is applicable to air samples with potential alpha energy concentration greater than 5 nJ/m 3 .

NOTE This part of ISO 11665 does not address the potential contribution of radon-220 decay products.

BS EN ISO 11665-3:2015 PDF

Abstract

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Abstract

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