Nuclear waste drum NDA/NDE with waste inspection tomography (WIT)

Conference · Sun Dec 31 04:00:00 EST 1995

OSTI ID:229532

Bernardi, R T; Entwistle, D; Swinford, J ^[1]

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1. Bio-Imaging Research, Inc., Lincolnshire, IL (United States)

Waste Inspection Tomography (WIT) provides mobile semi-trailer mounted nondestructive examination (NDE) and assay (NDA) for nuclear waste drum characterization. WIT uses various computed tomography (CT) methods for both NDE and NDA of nuclear waste drums. Low level waste (LLW), transuranic (TRU), and mixed radioactive waste can be inspected and characterized without opening the drums. With externally transmitted x-ray NDE techniques, WIT has the ability to identify high density waste materials like heavy metals, define drum contents in two- and three-dimensional space, quantify free liquid volumes through density and x-ray attenuation coefficient discrimination, and measure drum wall thickness. With waste emitting gamma-ray NDA techniques, WIT can locate gamma emitting radioactive sources in two-and three-dimensional space, identify gamma emitting isotopic species, identify the external activity levels of emitting gamma-ray sources, correct for waste matrix attenuation, provide internal activity approximations, and provide the data needed for waste classification as LLW or TRU.

• Research Organization: Lockheed Idaho Technologies Co., Idaho Falls, ID (United States); Idaho State Univ., Pocatello, ID (United States)
• OSTI ID: 229532
• Report Number(s): CONF-951091--; ON: DE96002403
• Country of Publication: United States
• Language: English

Related Subjects

05 NUCLEAR FUELS
44 INSTRUMENTATION
INCLUDING NUCLEAR AND PARTICLE DETECTORS
ALPHA-BEARING WASTES
ATTENUATION
GAMMA SPECTRA
HIGH-PURITY GE DETECTORS
IMAGES
LOW-LEVEL RADIOACTIVE WASTES
MOBILITY
NONDESTRUCTIVE ANALYSIS
RADIOACTIVE WASTES
SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY
THICKNESS
X-RAY DETECTION