Measurement of radioactivity. Measurement and evaluation of surface contamination - Apparatus calibration
Measurement of radioactivity. Measurement and evaluation of surface contamination - Apparatus calibration
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1 Scope ISO 7503 and ISO 8769 are addressed to the people responsible for determining the radioactivity present on solid surfaces. This part of ISO 7503 applies to the evaluation of contamination on surfaces in terms of activity per unit area by direct and indirect methods of measurement and deals with the complex aspects of instrument calibration. This part of ISO 7503 is applicable to well-defined surfaces, such as those of equipment and facilities, containers of radioactive materials, sealed sources, and buildings or land. This part of ISO 7503 can be used for laboratory and equipment/installation control and for remediation and monitoring activities to comply with release criteria. This part of ISO 7503 also refers to the following:
— calibration laboratories or institutions dealing with radionuclides with complex emission characteristics or radionuclides for which no reference calibration sources are available;
— institutions confronted with the task to evaluate surface contaminations consisting of a radionuclide mixture;
— institutions/authorities controlling nuclear material transports or material/equipment clearance according to national legislation guideline values or international convention limits.
This part of ISO 7503 does not apply to contamination of the skin, clothing, or loose material, such as gravel.
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