Measurement of radioactivity. Measurement and evaluation of surface contamination - Test method using wipe-test samples
Measurement of radioactivity. Measurement and evaluation of surface contamination - Test method using wipe-test samples
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1 Scope
ISO 7503 (all parts) and ISO 8769 are addressed to the people responsible for measuring 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 an indirect method of measurement. 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 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.
NOTE Direct evaluation of surface contamination from alpha-emitters, beta-emitters and photon emitters is dealt with in ISO 7503‑1. The calibration of instruments for the evaluation of radioactive surface contaminations is dealt with in ISO 7503‑3.
Стандарты, упомянутые в описании