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999 <br /> 17 7-- 37cP <br /> SUNNYSIDE GOLD CORPORATION <br /> AN ECHO DAY COMPANY <br /> P.O. Box 177 .Silverton, CO 81433 <br /> Phone (303) 387-5533 .Telecopy (303) 387-5310 <br /> ✓OG.� -�g 1998 � <br /> October 16, 1998 <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 <br /> RE: EPA File No. C05000-03745, San Juan County, Colorado <br /> A-31r'd Quarter 1998 Report (July- September) <br /> Dear Mr. Zdyb: <br /> In accordance with the quarterly reporting requirements of EPA's June 26, 1996 Rule <br /> Authorization letter for injection of water and alkaline material into the Sunnyside Mine, <br /> Sunnyside Gold Corporation (SGC) submits the following report. This report covers the period <br /> from July 1, 1998, through September 30,1998. <br /> Terry Tunnel Bulkhead <br /> The Terry Tunnel bulkhead annual inspection was completed on July 8, 1998 and a sample of the <br /> water from behind the bulkhead was taken at this time (results are attached). The mine pool <br /> elevation was below 11,600' elevation at the time of the inspection and on September 30, 1998. <br /> Therefore, the bulkhead pressure should be 8 psi. The bulkhead and tunnel inspection did not <br /> reveal any reason for concern or give any indication that the bulkhead is not performing as <br /> designed. <br />