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COLORADO <br />Division of Reclamation, <br />Mining and Safety <br />Department of Natural Resources <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining. state.co.us <br />VACATION OF NOTICE OF VIOLATION OR CESSATION ORDER <br />TO: THE OPERATOR AND PERMITTEE OF THE MINE DESCRIBED BELOW <br />Cessation Notice of CV -2013-002 <br />Order No. <br />Date NOV or <br />CO Issued: <br />Mine: <br />Operator (If <br />Other than <br />Permittee): <br />Mail Address: <br />January 28, 2013 <br />Southfield Mine <br />Violation No. <br />Permit No.: <br />County: <br />C-1981-014 <br />Fremont <br />Type of Mine: Underground/Non-Federal <br />Permittee: Energy Fuels Coal, Inc. <br />Mail Address: 8081 Shaffer Parkway, Suite 4 <br />Littleton, CO 80127-3714 <br />The Notice of Violation CV -2013-002 is hereby vacated from the date of issue. The Division of <br />Reclamation Mining and Safety (Division) rationale for vacating the NOV along with additional <br />background information is provided below. <br />Background Information <br />At the heart of the original NOV is MW -NW, which is one of four groundwater monitoring points in <br />the approved water monitoring plan for the Southfield mine. It was originally constructed to allow the <br />mine workings to be de -watered from a local underground sump. De -watering ceased in 1994. MW - <br />NW was later converted to a monitoring point with the approval of technical revision 35 (TR -35) in <br />2003. Around this time the mine was closed and sealed and has remained sealed for the past 12 years. <br />Correspondence between Energy Fuels Coal Inc. (EFCI) and the Division associated with TR -35 <br />shows that MW -NW was added to the water monitoring plan in order to allow the rate at which the <br />abandoned workings were re -filling with water to be monitored. This would also allow water in the <br />mine pool, if present, to be sampled and tested for water quality parameters. Of importance, neither <br />the location nor the construction of MW -NW were optimized for the purpose of water monitoring. It <br />was not strictly speaking a well, but simply a steel cased open borehole cut off at the roof of the mine <br />workings, which was incorporated into the monitoring program. <br />MW -NW was reported as "dry" from 2003 until 2012, when it was discovered that the well was <br />blocked approximately 20' above the roof of the workings. It is not known when the blockage <br />occurred or at what depth the earlier "dry" data was reported from. <br />