Document Detail


Clearance Monitoring Using Hand-held Devices: Operational Implementation and Challenges.
MedLine Citation:
PMID:  23528277     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Clearance monitoring includes all measures taken and measurements performed to ensure that all pertinent regulatory conditions are met for clearance of waste material. For bulk material, only a limited number of monitoring techniques are feasible for providing the necessary proof of compliance in the time frames and at costs commensurate with operator and regulator expectations for decommissioning projects. Operationally, measurements using hand-held devices, such as contamination monitors using scintillator or proportional counter technology, might provide sufficiently short response times at acceptable accuracies to segregate the waste streams according to their level of contamination and allowing for a decision on their further processing. Recognizing the various limitations hand-held devices might display in bulk material screening during clearance monitoring measurements, the detection limits with respect to material self-attenuation and non-homogenous activity distributions have been investigated.
Authors:
Bart Wellens; Alexander Brandl
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Health physics     Volume:  104     ISSN:  1538-5159     ISO Abbreviation:  Health Phys     Publication Date:  2013 May 
Date Detail:
Created Date:  2013-03-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985093R     Medline TA:  Health Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  S76-82     Citation Subset:  IM    
Affiliation:
*Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO 80526-1618.
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