Decision Analysis Science Modeling for Application and Fielding Selection Applied to Concrete Decontamination Technologies Page: 4 of 43
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Concrete surfaces contaminated with radionuclides present a significant challenge during the
decontamination and decommissioning (D&D) process. As structures undergo D&D, coating
layers andior surface layers of the concrete containing the contaminants must be removed for
disposal in such a way as to present little to no risk to human health or the environment. The
selection of a concrete decontamination technology that is safe, efficient, and cost-effective is
critical to the successful D&D of contaminated sites. To support U.S. Department of Energy
(DOE) Environmental Management objectives and to assist DOE site managers in the selection
of the best-suited concrete floor decontamination technology(s) for a given site, two innovative
and three baseline technologies have been assessed under standard, non-nuclear conditions at the
Hemispheric Center for Environmental Technology (HCET) at Florida International University
(FIU). The innovative technologies assessed include the Pegasus Coating Removal System and
Textron's Electro-Hydraulic Scabbling System. The three baseline technologies assessed include:
the Wheelabrator Blastrac model 1-15D, the NELCO Porta Shot Blastm model GPx-10-18 HO
Rider, and' the NELCO Porta Shot Blast" model EC-7-2. These decontamination technology
assessments provide directly comparable performance data that have previously been available
for only a limited number of technologies under restrictive site-specific constraints. Some of the
performance data collected during these technology assessments include: removal capability.
production rate, removal gap, primary and secondary waste volumes, and operation and
maintenance requirements. The performance data generated by this project is intended to assist
DOE site managers in the selection of the safest, most efficient, and cost-effective
decontamination technologies to accomplish their remediation objectives.
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Ebadian, M.A. Ross, T.L. Decision Analysis Science Modeling for Application and Fielding Selection Applied to Concrete Decontamination Technologies, report, January 1, 1998; Morgantown, West Virginia. (https://digital.library.unt.edu/ark:/67531/metadc780439/m1/4/: accessed April 19, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.