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5R-11 (Ike #1 Mine) Designated Mining Operation <br /> January 31, 1995 - Page 8 <br /> carnotite in surface waters and normal ground waters is very small. <br /> The vanadium:uranium ratio in the Salt Wash ores of the Slick Rock <br /> District are high (greater than 5: 1) . Cotter uses 8: 1 for SR-11 <br /> ore reserves, based on core and rotary drill cutting assays and <br /> past production records for the Radium group of mines (including <br /> the Ike #1) . Therefore, even though uranium tends to oxidize <br /> faster than vanadium, sufficient V'S will be available to fix all <br /> oxidized U+6 within or immediately below the proposed mine waste <br /> rock dump. The re-precipitation of uranium is enhanced by the dry, <br /> porous character of the sandstone which will soak-up and retain <br /> almost all of the rain and snow that fall on it until evaporation <br /> occurs. A Stormwater Management Plan will prevent any waters from <br /> leaving the dump area, even if leaching of uranium does occur. <br /> No other extrinsic elements or minerals have been enriched in the <br /> ore bodies to sufficient amounts to become potential pollutants. <br /> The bulk of the dump will consist of unmineralized rocks which are <br /> chemically similar to the present surface rocks. Therefore, none <br /> of the intrinsic elements or minerals should be considered <br /> pollutants, either. <br /> Dick White <br /> DW/tlt <br /> SR11dmo.dw <br />