Us Nuclear Regulatory Commission
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U.S. NUCLEAR REGULATORY COMMISSION OFFICE OF NUCLEAR MATERIAL SAFETY AND SAFEGUARDS DIVISION OF FUEL CYCLE SAFETY, SAFEGUARDS, AND ENVIRONMENTAL REVIEW FINAL ENVIRONMENTAL ASSESSMENT FOR THE PROPOSED RENEWAL OF SUA-1350, SWEETWATER URANIUM PROJECT IN SWEETWATER COUNTY, WYOMING DOCKET NO. 40-8584 June 2018 This page deliberately left blank. CONTENTS Section Page FIGURES ..................................................................................................................................... V TABLE ........................................................................................................................................ VII ACRONYMS AND ABBREVIATIONS ......................................................................................... IX 1 INTRODUCTION .............................................................................................................. 1-1 1.1 Background .............................................................................................................. 1-1 1.2 The Proposed Action ................................................................................................ 1-1 1.3 Need for the Proposed Action .................................................................................. 1-2 1.4 Alternatives to the Proposed Action ......................................................................... 1-2 1.4.1 No-Action Alternative .................................................................................... 1-2 1.5 Review Scope .......................................................................................................... 1-3 2 URANIUM MILLING (PROPOSED ACTION) AND ALTERNATIVE ................................. 2-1 2.1 Site Description ........................................................................................................ 2-1 2.2 Current Facility Use .................................................................................................. 2-1 2.3 Waste Management ................................................................................................. 2-1 2.4 Decommissioning and Remediation ......................................................................... 2-2 3 DESCRIPTION OF THE AFFECTED ENVIRONMENT ................................................... 3-1 3.1 Land Use .................................................................................................................. 3-1 3.2 Transportation .......................................................................................................... 3-4 3.3 Geology and Seismology ......................................................................................... 3-4 3.3.1 Regional and Local Geology ........................................................................ 3-4 3.3.2 Seismicity ..................................................................................................... 3-5 3.4 Water Resources ...................................................................................................... 3-5 3.4.1 Surface-Water Resources ............................................................................ 3-5 3.4.2 Groundwater Resources ............................................................................... 3-6 3.4.3 Hydrology and Water Quality ........................................................................ 3-7 3.5 Ecological Resources ............................................................................................... 3-7 3.5.1 Terrestrial and Aquatic Ecology .................................................................... 3-7 3.5.2 Threatened and Endangered Species .......................................................... 3-8 3.6 Climatology, Meteorology, and Air Quality ............................................................... 3-8 3.6.1 Meteorology and Climatology ....................................................................... 3-8 3.6.2 Air Quality ..................................................................................................... 3-9 3.7 Noise ........................................................................................................................ 3 - 9 3.8 Historic and Cultural Resources ............................................................................... 3-9 3.9 Visual and Scenic Resources ................................................................................. 3-10 3.10 Socioeconomics ..................................................................................................... 3-10 3.11 Public and Occupational Health ............................................................................. 3-11 3.11.1 Radiological Offsite Impacts ....................................................................... 3-12 iii CONTENTS (Continued) 3.11.2 In-Plant Safety ............................................................................................ 3-12 3.12 Waste Management ............................................................................................... 3-13 4 ENVIRONMENTAL IMPACTS .......................................................................................... 4-1 4.1 Land Use .................................................................................................................. 4-1 4.2 Transportation .......................................................................................................... 4-2 4.3 Geology and Soils .................................................................................................... 4-2 4.4 Water Resources ...................................................................................................... 4-3 4.4.1 Surface Waters ............................................................................................. 4-3 4.4.2 Groundwater ................................................................................................. 4-3 4.5 Ecological Impacts ................................................................................................... 4-4 4.6 Climatology, Meteorology, and Air Quality ............................................................... 4-4 4.7 Noise ........................................................................................................................ 4 - 5 4.8 Historic and Cultural Resources ............................................................................... 4-5 4.9 Visual and Scenic Resources ................................................................................... 4-6 4.10 Demographics and Socioeconomics ........................................................................ 4-6 4.11 Public and Occupational Health ............................................................................... 4-6 4.12 Waste Management ................................................................................................. 4-7 5 CUMULATIVE IMPACTS ................................................................................................. 5-1 6 LICENSE CONDITION CHANGES .................................................................................. 6-1 7 AGENCIES AND PERSONS CONSULTED ..................................................................... 7-1 7.1 U.S. Fish and Wildlife Service .................................................................................. 7-1 7.2 Wyoming State and Historic Preservation Office (WY SHPO) ................................. 7-1 7.3 Wyoming Department of Environmental Quality (WDEQ) ........................................ 7-1 8 CONCLUSION .................................................................................................................. 8-1 9 LIST OF PREPARERS ..................................................................................................... 9-1 10 REFERENCES ............................................................................................................... 10-1 iv FIGURES Figure Page 3-1 Geographical Location of the Sweetwater Uranium Project ............................................... 3-2 3-2 Land Use Activities in the Vicinity of the Sweetwater Uranium Mill .................................... 3-3 v TABLE Table Page Table 3-1. Population of the Nearest Communities ................................................................ 3-11 Table 3-2. Waste Volumes Generated at the SUP Site .......................................................... 3-13 vii ACRONYMS AND ABBREVIATIONS ac acre(s) ADAMS Agencywide Documents Access and Management System ALARA as low as reasonably possible CAP Corrective Action Program EA environmental assessment EPA U.S. Environmental Protection Agency ER environmental report ESA Endangered Species Act of 1973 ft foot(feet) FWS U.S. Fish and Wildlife Service Ha hectare(s) in. inch(es) ISR in situ recovery kg kilogram(s) km kilometer(s) KUC Kennecott Uranium Company lb pound(s) MCE maximum credible earthquake mi mile(s) mrem/yr millirem per year NAAQS National Ambient Air Quality Standards NEPA National Environmental Policy Act NRHP National Register of Historic Places NRC U.S. Nuclear Regulatory Commission PM particulate matter POC point of compliance SER Safety Evaluation Report SHPO State Historic Preservation Office SUP Sweetwater Uranium Project ix 1 INTRODUCTION 1.1 Background Kennecott Uranium Company (KUC) submitted an application and environmental report (ER) on July 24, 2014, as supplemented on November 14, 2016 and January 12, 2018 (KUC, 2014a, 2016f, 2018) to the U.S. Nuclear Regulatory Commission