The Radiological Impact From Radioactive Contamination That Is Not Readily Detectable Using Beta-Sensitive Survey Devices

Author

R. M. Nicoll

Abstract

Over 60% of the dry active waste (DAW) generated in a typical commercial reactor can consist of nuclides that are not readily detected using conventional beta-sensitive detectors. This has generic implications for the commercial power industry since the accepted industry practice for releasing radmaterial and personnel is based on beta-sensitive detection. It has been the industry assumption, that as long as a significant quantity of beta-emitting isotopes is present in plant waste streams, the unauthorized release of non beta-emitting contamination is unlikely. A technical basis is presented that can be used to test the validity of this assumption. This article presents a revision and enhancement of methodology previously published by the author.

Meeting

This abstract was presented at the 34th Annual Midyear Meeting, "Radiation Safety and ALARA Considerations for the 21st Century", Regulatory Considerations Session, 2/4/2001 - 2/7/2001, held in Anaheim, CA.

 
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