Notice of Denial-Completion of Ground-Water Restoration in Unit 1 Wellfield, Crow Butte Resources, Dawes County, NE

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On March 29, 2002, the U.S. Nuclear Regulatory Commission (NRC) denied the requested approval of ground-water restoration completion in the Unit 1 wellfield at the Crow Butte Resources, Incorporated, In Situ Leach (ISL) uranium extraction facility located near the town of Crawford, Dawes County, Nebraska. The facility is licensed to process and possess natural uranium by Materials License Number SUA-1534, issued in accordance with Title 10 Code of Federal Regulations (CFR) part 40. Crow Butte Resources, Incorporated, (the licensee) requested approval for completing ground-water restoration in its Unit 1 wellfield, upon concluding activities that resulted in contaminant concentrations within the uranium ore zone of the Chadron Aquifer reaching acceptable levels, determined to be protective of public health and the environment. NRC denied the licensee's request for approval, based on a finding that the licensee did not demonstrate that Unit 1 restoration activities would result in future constituent levels remaining at levels protective of human health and the environment, in accordance with 10 CFR 40.31(h) and Criterion 5F, 10 CFR part 40, Appendix A. In addition, the licensee is re