In-situ gamma-ray spectrometry for nuclide specific environmental measurements

Le présent document fournit des exigences génériques et des exemples d'application pour les mesures par spectrométrie gamma in situ. Il s'applique aux mesures des radionucléides naturels et artificiels présents à la surface ou distribués en profondeur dans le sol. Le présent document peut également être utilisé pour les mesures effectuées dans le cadre de l'assainissement des installations et des sols contaminés, pour détecter la présence de radionucléides artificiels dans l'air, pour l'étude de l'exposition à l'intérieur des bâtiments et pour l'identification de radionucléides dans le cadre de l'élimination des déchets.

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Main informations

Collections

National standards and national normative documents

Publication date

November 2006

Number of pages

44 p.

Reference

NF M60-810

ICS Codes

13.080.20 Physical properties of soils

17.240 Radiation measurements

27.120.01 Nuclear energy in general

Classification index

M60-810

Print number

1 - 26/10/2006

Sumary

In-situ gamma-ray spectrometry for nuclide specific environmental measurements

Le présent document fournit des exigences génériques et des exemples d'application pour les mesures par spectrométrie gamma in situ. Il s'applique aux mesures des radionucléides naturels et artificiels présents à la surface ou distribués en profondeur dans le sol. Le présent document peut également être utilisé pour les mesures effectuées dans le cadre de l'assainissement des installations et des sols contaminés, pour détecter la présence de radionucléides artificiels dans l'air, pour l'étude de l'exposition à l'intérieur des bâtiments et pour l'identification de radionucléides dans le cadre de l'élimination des déchets.

Standard replaced by (1)

NF ISO 18589-7

November 2013

Standard Cancelled

Measurement of radioactivity in the environment - Soil - Part 7 : in situ measurement of gamma-emitting radionuclides

ISO 18589-7:2013 specifies the identification of radionuclides and the measurement of their activity in soil using in situ gamma spectrometry with portable systems equipped with germanium or scintillation detectors. ISO 18589-7:2013 is suitable to rapidly assess the activity of artificial and natural radionuclides deposited on or present in soil layers of large areas of a site under investigation. ISO 18589-7:2013 can be used in connection with radionuclide measurements of soil samples in the laboratory (ISO 18589‑3) in the following cases: · routine surveillance of the impact of radioactivity released from nuclear installations or of the evolution of radioactivity in the region; · investigations of accident and incident situations; · planning and surveillance of remedial action; · decommissioning of installations or the clearance of materials. It can also be used for the identification of airborne artificial radionuclides, when assessing the exposure levels inside buildings or during waste disposal operations. Following a nuclear accident, in situ gamma spectrometry is a powerful method for rapid evaluation of the gamma activity deposited onto the soil surface as well as the surficial contamination of flat objects.

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