Environmental Impact Statement for the Moore Ranch ISR Project in Campbell County, Wyoming: Supplement to the Generic Environmental Impact Statement for In-Situ Leach Uranium Milling Facilities — Final Report (NUREG-1910, Supplement 1)

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Publication Information

Manuscript Completed: August 2010
Date Published: August 2010

Prepared by:
U.S. Nuclear Regulatory Commission
Office of Federal and State Materials and
Environmental Management Programs

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Abstract

The U.S Nuclear Regulatory Commission (NRC) issues licenses for the possession and use of source material provided that proposed facilities meet NRC regulatory requirements and would be operated in a manner that is protective of public health and safety and the environment. Under the NRC environmental protection regulations in the Code of Federal Regulations (CFR), Title 10, Part 51, which implement the National Environmental Policy Act (NEPA) of 1969, issuance of a license to possess and use source material for uranium milling requires an environmental impact statement (EIS) or a supplement to an EIS.

In May 2009, NRC issued NUREG–1910, “Generic Environmental Impact Statement for In-Situ Leach Uranium Milling Facilities” (the GEIS). In the GEIS, NRC assessed the potential environmental impacts from the construction, operation, aquifer restoration, and decommissioning of an in-situ leach uranium recovery facility [also known as an in-situ recovery (ISR) facility] located in four specified geographic regions of the western United States. As part of that assessment, NRC determined which potential impacts would be essentially the same for all ISR facilities and which would result in varying levels of impacts for different facilities, thus requiring further site-specific information to determine potential impacts. The GEIS provides a starting point for the NRC NEPA analyses for site-specific license applications for new ISR facilities, as well as for applications to amend or renew existing ISR licenses.

By letter dated October 2, 2007, Energy Metals Corporation submitted a license application to the NRC for a new source material license for the Moore Ranch Project, to be located in Campbell County, Wyoming, which is in the Wyoming East Uranium Milling Region identified in the GEIS. In October 2009, the name of Energy Metals Corporation U.S. was changed to Uranium One Americas, Inc. (Uranium One). The NRC staff prepared this SEIS to evaluate the potential environmental impacts from Uranium One's proposal to construct, operate, conduct aquifer restoration, and decommission an ISR facility at the proposed Moore Ranch Project. This SEIS describes the environment potentially affected by the proposed site activities, presents the potential environmental impacts resulting from reasonable alternatives to the proposed action, and describes Uranium One's environmental monitoring program and proposed mitigation measures. In conducting its analysis in this SEIS, the NRC staff evaluated site-specific data and information to determine whether the applicant-proposed activities and site characteristics were consistent with those evaluated in the GEIS. The NRC staff then determined relevant sections, findings, and conclusions in the GEIS that could be incorporated by reference in this SEIS, and areas that required additional analysis. Based on its environmental review, the NRC staff recommends that, unless safety issues mandate otherwise, that the source material license be issued as requested.