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The Vice President of Mining for Cotter Corporation, Glen Williams, is responsible for <br />implementing and maintaining the SWMP for the LP -21 site. Below is Mr. Williams contact <br />information: <br />Mr. Glen Williams <br />Vice President of Mining, Western Slope Operation. <br />Cotter Corporation <br />P.O. Box 700 <br />Nucla, Colorado 81424 <br />Phone: (970) 864 -7347 <br />Email: glen.willaims @cotterusa.com <br />After mining has ceased, the land will be reclaimed for range and wildlife habitat. Cotter <br />Corporation will restore the affected areas in accordance with the reclamation permit and DOE. <br />lease requirements on the LP -21 lease. <br />6.0 Potential Pollution Sources <br />Mining operations result in ore and waste rock stockpiles that are stored on the land surface <br />adjacent to the mine entrance. The ore stockpile remains onsite only for short durations as the <br />ore is hauled to the process mill shortly after removal from the mine. The waste rock will remain <br />onsite permanently and be stabilized in- place. <br />There will be a 500- gallon diesel fuel tank with secondary containment located near the mine <br />portal. The tank is used to refuel equipment during mining operations but remains empty during <br />extended cessations in mining activities. <br />Other petroleum products used at the site will include hydraulic and lubricating oils. These oils <br />are generally in 5- gallon containers and stored in one of the onsite buildings. <br />7.0 Drainage Design <br />7.1 Engineering Approach <br />The drainage design is focused on preventing erosion and transport of the waste rock stockpile <br />and ore storage areas during operation and long -term protection of the waste rock pile after <br />reclamation. Currently, drainage at the site is partially controlled by berms and swales that route <br />most offsite runoff around existing stockpile areas. The effectiveness of these existing features <br />has been analyzed for selected design storms and subsequent runoff with improvements <br />recommended when necessary to ensure compliance with BMPs to prevent erosion and offsite <br />transport of potential pollution sources. <br />ESWMP-4 <br />