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Title:
RadBallTM Technology Testing in the Savannah River Site's Health Physics Instrument Calibration Laboratory
Authors:
Farfán, Eduardo B.; Foley, Trevor Q.; Jannik, G. Timothy; Harpring, Larry J.; Gordon, John R.; Blessing, Ronald; Rusty Coleman, J.; Holmes, Christopher J.; Oldham, Mark; Adamovics, John; Stanley, Steven J.
Affiliation:
AA(Savannah River National Laboratory, SRS, Aiken, SC 29808, USA ), AB(Savannah River National Laboratory, SRS, Aiken, SC 29808, USA), AC(Savannah River National Laboratory, SRS, Aiken, SC 29808, USA), AD(Savannah River National Laboratory, SRS, Aiken, SC 29808, USA), AE(Savannah River National Laboratory, SRS, Aiken, SC 29808, USA), AF(Savannah River National Laboratory, SRS, Aiken, SC 29808, USA), AG(Savannah River National Laboratory, SRS, Aiken, SC 29808, USA), AH(National Nuclear Laboratory, Risley, Warrington, UK), AI(Duke University Medical Center, Durham, NC 27710, USA), AJ(Heuris Pharma LLC, Lawrenceville, NJ 08648, USA), AK(National Nuclear Laboratory, Risley, Warrington, UK)
Publication:
Journal of Physics: Conference Series, Volume 250, Issue 1, article id. 012080, 5 pp. (2010).
Publication Date:
11/2010
Origin:
IOP
DOI:
10.1088/1742-6596/250/1/012080
Bibliographic Code:
2010JPhCS.250a2080F

Abstract

The UK's National Nuclear Laboratory (NNL) has developed a radiation-mapping device that can locate and quantify radioactive hazards within contaminated areas of the nuclear industry. The device, known as RadBallTM, consists of a colander-like outer collimator that houses a radiation-sensitive polymer sphere. The collimator has over two hundred small holes; thus, specific areas of the polymer sphere are exposed to radiation becoming increasingly more opaque in proportion to the absorbed dose. The polymer sphere is imaged in an optical-CT scanner that produces a high resolution 3D map of optical attenuation coefficients. Subsequent analysis of the optical attenuation data provides information on the spatial distribution of sources in a given area forming a 3D characterization of the area of interest. The RadBallTM technology has been deployed in a number of technology trials in nuclear waste reprocessing plants at Sellafield in the UK and facilities of the Savannah River National Laboratory (SRNL). This paper summarizes the tests completed at SRNL Health Physics Instrument Calibration Laboratory (HPICL).
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