Use of DandD for dose assessment under NRC`s radiological criteria for license termination rule
- Sandia National Labs., Albuquerque, NM (United States). Environmental Risk and Decision Analysis Dept.
- Nuclear Regulatory Commission, Washington, DC (United States)
The Decontamination and Decommissioning (DandD) software package has been developed by Sandia National Laboratories for the Nuclear Regulatory Commission (NRC) specifically for the purpose of providing a user-friendly analytical tool to address the dose criteria contained in NRC`s Radiological Criteria for License Termination rule (10 CFR Part 20 Subpart E; NRC, 1997). Specifically, DandD embodies the NRC`s screening methodology to allow licensees to convert residual radioactivity contamination levels at their site to annual dose, in a manner consistent with both 10 CFR Part 20 and the corresponding implementation guidance developed by NRC. The screening methodology employs reasonably conservative scenarios, fate and transport models, and default parameter values that have been developed to allow the NRC to quantitatively estimate the risk of releasing a site given only information about the level of contamination. Therefore, a licensee has the option of specifying only the level of contamination and running the code with the default parameter values, or in the case where site specific information is available to alter the appropriate parameter values and then calculate dose. DandD can evaluate dose for fur different scenarios: residential, building occupancy, building renovation, or drinking water. The screening methodology and DandD are part of a larger decision framework that allows and encourages licensees to optimize decisions on choice of alternative actions at their site, including collection of additional data and information. This decision framework is integrated into and documented in NRC`s technical guidance for decommissioning.
- Research Organization:
- Nuclear Regulatory Commission, Office of Nuclear Regulatory Research, Washington, DC (United States)
- OSTI ID:
- 305903
- Report Number(s):
- NUREG/CP-0163; CONF-9711205-PROC.; ON: TI98007502; TRN: IM9906%%155
- Resource Relation:
- Conference: Workshop on review of dose modeling mthods for demonstration of compliance with the radiological criteria for license termination, Rockville, MD (United States), 13-14 Nov 1997; Other Information: PBD: May 1998; Related Information: Is Part Of Proceedings of the workshop on review of dose modeling methods for demonstration of compliance with the radiological criteria for license termination; Nicholson, T.J.; Parrott, J.D. [eds.]; PB: 123 p.
- Country of Publication:
- United States
- Language:
- English
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