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<br /> f <br />~~~t - , ~r <br />. W {..A <br />\/ ~ <br />~1~ <br />1128 MAIN STREET (719)275-8881 <br />CANON CITY. COLORADO 81212 <br />III IIIIIIIIIIIII III <br /> <br />RECEIVED <br />Energy Fuels Coal, Inc. JUL 0 9 ~99~ <br />Mr. Alan Weaver <br />Southfield Mine Alvision of Iwinerais rs Geology <br />1190 County Road 92 <br />Florence, CO 81226 <br />RE: CERTIFICATION OF COAL MINE WASTE BANK, SOUTHFIELD MINE, <br />~FLORENCE,COLORADO <br />Dear A1; <br />On June 19, 1997, an inspection was conducted on the permanent coal refuse pile <br />being constructed at your Southfield mine. The inspection was performed by myself, John <br />Effinger III, a registered professional engineer in the State of Colorado since December, <br />1975. I have experience and knowledge in the design and construction of dams, drainage <br />control, hydrology and structures; including experience in portions of the permitting <br />process of coal mine facilities and permit compliance. <br />The purpose of this inspection and certification was to ensure that proper <br />construction and maintenance techniques were being utilized in accordance with the <br />approved refuse disposal plan and to satisfy the requirements of Rule 4.10.2 (1) of the <br />Colorado Mined Land Reclamation Board for Coal Mining. In addition to the on site <br />inspection referenced above, actions taken in preparing this certification included review <br />of the results of Proctor and field compaction testing performed by your consultant, <br />Lincoln DeVore dated March 19, 1997, review of the re-evaluated stability analysis <br />performed by your consultant, Terra matrix, dated December 9, 1996, and review and <br />discussion of several applicable mine maps and state regulations with yourself at your mine <br />site office. - <br />Said inspection was performed on a warm and sunny Thursday morning by myself. <br />Most of the site was traversed with a four wheel drive vehicle with frequent stops and <br />hiking trips over, across and around the pile. The following is a statement of my <br />professional observations and conclusions from this inspection: <br />The entire pile was examined for any failures and none found <br />The entire pile was checked for any springs or seeps and one small seep was <br />discovered near the toe of the west bank of the active pile, 250 feet south of the <br />