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Release of Radionuclides and Chelating Agents from Full-System Decontamination Ion-Exchange Resins (NUREG/CR-6766)

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Publication Information
Abstract

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NUREG/CR-6766 (PDF - 358 KB)

Publication Information

Manuscript Completed: March 2002
Date Published: March 2002

Prepared by
D. W. Akers

Idaho National Engineering and Environmental Laboratory
P.O. Box 1625
Idaho Falls, ID 83415

P.R. Reed, NRC Project Manager

Prepared for
Division of Systems Analysis and Regulatory Effectiveness
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001
NRC Job Code A6359

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Abstract

As part of a study being performed for the Nuclear Regulatory Commission (NRC), small-scale waste specimens were collected following an AP/CAN-DEREM full-system decontamination of the reactor vessel of the Indian Point 2 reactor vessel in March 1995. CAN-DEREM is a modified version of a reduction process developed by Atomic Energy of Canada Ltd. for that country's heavy-water CANDU reactors. The INEEL research was undertaken to support licensing needs for reviewing radiological and chemical data and information to address uncertainties associated with disposal of low-level radioactive decontamination waste in performance assessment modeling. This report presents information on radionuclide and chelate characteristics of decontamination radwaste on ion-exchange resins. The information is expected to reduce uncertainties associated with developing radionuclide inventories for the performance assessment.