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999 <br /> Received <br /> ►Nl� �� 77- �7� SUNNYSIDE GOLD CORPORATION `�4Ufi 21996 <br /> AN ECHO 8AY COMPANY Durango Field Office <br /> P.O. Box 177 .Silverton, CO 81433 Division of Minerals&Geology <br /> Phone (303) 387-5533 .Telecopy (303) 387-5310 <br /> August 28 , 1996 <br /> DENY R <br /> Attention: Ron Zdyb <br /> Mail Code: 8D2-W-GW <br /> U.S. Environmental Protection Agency \ <br /> Underground Injection Control (UIC) <br /> 999 18th Street, Suite 500 <br /> Denver, CO 80202-2466 ' c <br /> RE: Under ction Control UIC .\ ` <br /> C ass V Injection Well <br /> Rule Authorization <br /> Injection Site: Sunnyside Mine near Silverton, CO <br /> San Juan County <br /> EPA File #C05000-03745 <br /> Dear Mr. Zdyb: <br /> Sunnyside Gold Corporation (SGC) submits the following explanation <br /> for and planned adjustments to the alkaline injection program in <br /> progress at the Sunnyside Mine. <br /> The Animas River Basin has experienced a low precipitation year and <br /> as a result, water flows are abnormally low. The Colorado water <br /> administration officials have advised SGC of a water rights "call" <br /> on the existing flows by holders of senior water-rights. This <br /> "call" may be enforced under Colorado law. Therefore, SGC cannot <br /> appropriate water to inject alkaline material or speed physical <br /> equilibrium until this call on the water-rights has ended. This is <br /> anticipated to be around mid-October when the irrigating season has <br /> ended. <br /> SGC does not want to end the alkaline injection program for the <br /> 1996 field season without making an effort to adjust the program <br /> for the circumstances involved. Therefore, SGC plans to inject a <br /> lime slurry down the Sunnyside Basin vent raise to the ore-pass <br /> which will provide the mixing with underground waters necessary for <br /> mine pool pH adjustment. Corresponding quantities of water will be <br /> released from the American Tunnel to meet the requirements of the <br /> State Water Engineer of not appropriating water while the water- <br /> right call on the Animas River is in effect. <br />