ePlanning DOI-BLM-NV-E020-2018-0024-EA (Emigrant Mine POA Amendment and Rain Mine Closure Seepage Management)  
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12/21/2018 15:17:56 MST
The Bureau of Land Management, Tuscarora Field Office has completed an Environmental Assessment (EA) for the Emigrant Mine POA Amendment and Rain Mine Closure Seepage Management. The EA will be available for a 30-day public review period ending January 20, 2019. Comments may be emailed to tschmidt@blm.gov or mailed to BLM, Attn. Thomas Schmidt, 3900 E. Idaho St., Elko, NV 89801. The EA can be viewed by following the 'Documents' link on the left-hand side of this page.
Newmont USA Limited (Newmont) submitted an Amendment to the Emigrant Mine Plan of Operations (hereafter referred to as POA) to the Bureau of Land Management (BLM) in October 2017 (Newmont 2017a).  Proposed activities associated with the POA would occur partially on public land administered by BLM and therefore, Newmont must obtain an authorization from BLM for those activities that would occur on public land. This Emigrant Mine POA constitutes the Proposed Action in this EA.  The Proposed Action in general includes the following proposed modifications to the Emigrant Mine site:

-Construction of an acid rock drainage (ARD) Pipeline across the existing Emigrant permit area to convey ARD Collection Pond water associated with the Rain Mine North Waste Rock Disposal Facility (NWRDF) to a new water treatment plant (WTP) located at the Emigrant Mine;
-Use of treated effluent from the proposed WTP as makeup supply for ongoing heap leach operations at the Emigrant Mine;
-Discharge of treated effluent from the WTP to an infiltration gallery once leach operations at Emigrant Mine no longer require makeup supply; and
-Expansion of the Emigrant Mine permit boundary to encompass the WTP facility. 

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