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United States Department of the Interior <br />BUREAU OF LAND MANAGEMENT <br />Grand Junction Field Office <br />2815 H Rd <br />Grand Junction, Golorado 81506 <br />CO-130 (3809) www.co.blm.gov/gjre/gjra.btml <br />~~ <br />'R~~. <br />TAKE PRIDE' <br />~NAMERIC:A <br />RECEIVED <br />NOV 0 2 2007 <br />Frank Filas <br />Energy Fuels Corporation / <br />44 Union Blvd„ Suite 600. <br />Lakewood, CO 80228 ' / <br />Re: Plan of Operations " / <br />Whirlwind Mine /~ / <br />M-3~n7 -o~/~( <br />Dear Mr. Filas: <br />October 17, 2007 <br />RECEIVED <br />OCT 2 32007 <br />GRAND JUp1 ISION OFD OFFICE <br />RECIANIATION MINING & SAFETY <br />Division of Reclamation, <br />Mining and Safety <br />1/ <br />This office received the Plan of Operations (PO) for the Whirlwind Mine on July 5, 2007. <br />The PO proposes to expand the existing Whirlwind Tunnel and Packrat Mine into a <br />combined underground uranium operation called the Whirlwind Mine. <br />Based on our review under the BLM surface management regulations at 43 CFR <br />3809.401, we have determined that additional information must be submitted in order to <br />make the PO adequate and complete. Please respond to the items below by providing an <br />explanation and/or replacement updated section(s) of the PO. Also identify where the <br />changes were made. <br />1. Freshwater source {Page 5-23). This indicates the freshwater source would be nearby <br />springs or wells. However, the recent bulk sampling NOI says DP Spring will not be <br />used. Specify your likely freshwater source. <br />2. Water treatment updates (various pages) -Update the PO to be consistent with <br />changes made in the recently approved Whirlwind NOI modification, specifically related <br />to changes in the design of water treatment facility, storage capacity, selenium treatment, <br />and surface facilities (structures). <br />3. Bulkhead seals (Page 6-5). This addresses the proposed upper and lower bulkhead <br />seals, but does not include any bulkhead design. Provide a conceptual design with <br />illustrations as appropriate. <br />4. Bonding (Page 6-11). The bond needs adjusted for removal of metal tanks rather than <br />pond backfill. <br />