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Title: Below regulatory concern owners group: A general review of the IMPACTS-BRC Code: Final Report

Technical Report ·
OSTI ID:6110647

The Electric Power Research Institute (EPRI) is conducting a project to develop support documentation for a rulemaking petition exempting specific nuclear power plant waste streams under the US Nuclear Regulatory Commission's (NRC) general Below Regulatory Concern (BRC) policy statement. In its policy statement, the NRC named the IMPACTS-BRC computer program as the primary compliance tool for granting exemptions. Because of this important role, EPRI authorized Battelle, Pacific Northwest Laboratories (BNW) to conduct a review of the computer program and its documentation. This report contains a summary of our general review of the IMPACTS-BRC computer program. In addition to reviewing the program and its supporting documentation, we conducted a performance evaluation and a sensitivity analysis of the operational software. The performance evaluation consisted of verifying the operation of the code, providing a general comparison of the results generated with results produced by other methods for similar input assumptions, and evaluating the Pathway Dose Conversion Factors (PDCFs) and Dose Conversion Factors (DCFs) used in the program. 21 refs., 13 figs., 25 tabs.

Research Organization:
Electric Power Research Inst., Palo Alto, CA (USA); Battelle Pacific Northwest Lab., Richland, WA (USA)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
6110647
Report Number(s):
EPRI-NP-5675
Country of Publication:
United States
Language:
English