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1111111111111111111 <br /> 999 <br /> f <br /> -7- 3 I FS SUIIIIYSIIZE GOLD CORPORATION <br /> AN ECHO 8AY COMPANY <br /> P.O. Box 177 .Silverton, CO 81433 } <br /> Phone (303) 387-5533 .Telecopy (303) 387-5310 <br /> t April 23 , 1996 �j j91 <br /> Ikv t: u . <br /> Mr. Bob Shukle <br /> Colorado Department of Public Health and Environment <br /> Water Quality Control Division <br /> 4300 Cherry Creek Drive South <br /> Denver, CO 80222-1530 <br /> Mr. Allen Sorenson <br /> Colorado Division of Minerals and Geology <br /> 1313 Sherman Street, Room 215 <br /> Denver, CO 80203-2273 <br /> Dear Mr. Shukle and Mr. Sorenson: <br /> Sunnyside Gold Corporation (SGC) is in the process of performing <br /> maintenance functions at its Sunnyside Mine facility to prepare for <br /> spring' runoff conditions and the associated loading conditions this <br /> imposes on its water treatment capabilities. <br /> The pouring of the Terry Tunnel plug in 1994 may increase flows at <br /> the American Tunnel bulkhead this spring, unless these flows are <br /> regulated. In order to provide additional assurance that discharge <br /> treatment capacities are not exceeded, SGC will install flow <br /> control piping and valving on the existing American Tunnel bulkhead <br /> discharge pipe. This maintenance procedure will require a short <br /> term closure (ie less than 10 hours) of the main American Tunnel <br /> bulkhead valve. SGC does not view this maintenance procedure as <br /> valve closure in the regulatory sense but felt WQCD and DMG should <br /> be informed of this procedure. This should have no adverse effect <br /> on the treated effluent. <br /> Please call if you wish to discuss the above. <br /> Sincerely, <br /> Larry Perino <br /> Superintendent-Technical Services <br />