Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms, definitions, symbols, and units<br>4 Principles<br>5 Equipment<br>6 Procedure<br>7 Quality assurance and quality control program<br>8 Expression of results<br>9 Test report<br>Annex A (informative) - Influence of radionuclides in air on<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the result of surface or mass activity measured<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;by in situ gamma spectrometry<br>Annex B (informative) - Influence quantities<br>Annex C (informative) - Characteristics of germanium detectors<br>Annex D (informative) - Field-of-view of an in situ gamma<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;spectrometer as a function of the photon energy for<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;different radionuclide distributions in soil<br>Annex E (informative) - Methods for calculating geometry<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;factors and angular correction factors<br>Annex F (informative) - Example for calculation of the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;characteristic limits as well as the best estimate<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of the measurand and its standard uncertainty<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of the measurand and its standard uncertainty<br>Annex G (informative) - Conversion factors for surface or<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mass activity to air kerma rate and ambient dose<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;equivalent rate for different radionuclide distribution<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;in soil<br>Annex H (informative) - Mass attenuation factors for soil<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and attenuation factors for air as a function of photon<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;energy and deviation of G(E,V) for different soil<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;compositions<br>Bibliography

Abstract

Gives the identification of radionuclides and the measurement of their activity in soil using in situ gamma spectrometry with portable systems e quipped with germanium or scintillation detectors.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	NCE/2
Supersedes	BS ISO 18589-7 : 2013 12/30242242 DC : 0