Laserfiche WebLink
STATE OF COLORADO <br /> DIVISION OF MINERALS AND GEOLOGY <br /> Department of Natural Resources Co <br /> 1313 Sherman St, Room 215 <br /> Denver,CO 80203 <br /> Phone:(303)866-3567 <br /> *1876* <br /> FAX-(303)832-8106 <br /> Roy Romer <br /> Governor <br /> October 27, 1993 MichaelB Long <br /> Division Director <br /> Mr. Larry Perino <br /> Sunnyside Gold Corporation <br /> P.O. Box 177 <br /> Silverton, ,CO 81433 <br /> Re: Dis o�ition of RemainingAdequacy Concerns, Technical Revision <br /> R-14, unnyside Mine, File No. M-7 -3 8 <br /> Dear Mr. Perino: <br /> The Division is in receipt of a letter from Mr. Christopher Hayes, <br /> representing Sunnyside Gold Corporation (SGC) , that details <br /> responses to the Division's adequacy concerns for TR-14 . Several <br /> items in that letter require Division response, which I shall <br /> provide here. <br /> Item 3 <br /> The Division will release SGC from the requirement to collect four <br /> quarters of water quality and quantity inventory data for drainages <br /> surrounding the Sunnyside Mine. The water quality and quantity <br /> monitoring and reporting plan outlined in the terms of TR-14 will <br /> become an enforceable aspect of Permit No. M-77-378 if the Mined <br /> Land Reclamation Board (Board) approves TR-14. The Division will <br /> release SGC from the requirement to conduct water sampling within <br /> Poughkeepsie Gulch as part of monitoring and reporting plan <br /> currently included in TR-14 . <br /> Item 4 <br /> The Division concurs with the proposal to terminate the monitoring <br /> and reporting program two years after the rate of rise of the mine <br /> pool levels off, and to define the levelling off of the pool <br /> mathematically. I believe that the mathematical definition will <br /> depend on empirical data gathered for the rate of rise, and could <br /> be based on a curve fitting equation for a graph of the rate of <br /> rise, and the limit as the rate approaches zero. The Division <br /> agrees that any such equation would be developed to the mutual <br /> satisfaction of both SGC and the Division. <br /> SGC' s statement of willingness to work with the Division, and with <br /> the Water Quality Control Division, to insure compliance with clean <br /> water laws, along with the agreed upon commitments that will become <br /> binding terms of TR-14, are sufficient to satisfy adequacy concerns <br /> in this area. <br />