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STATE OF COLORADO <br /> Roy Ramcr,Gavernor <br /> Pam Shwayder,Executive Director <br /> Dedicated to protecting and improving the hcairh and environment of the people of Colorado w <br /> 4300 Cherry Creek Dr.S. Laboratory Building e <br /> Denver,Colorado 80222-1530 4210 E.11th Avenue / y " <br /> Phone(303)692-2000 Denver,Colorado 80220-3716 <br /> (303)691-4700 Worddol WW=nt <br /> of Riblic Health <br /> and Envimyonent <br /> August 14, 1996 <br /> Ms. Diane Delaney <br /> Mid-Continent Resources,Inc. <br /> P.O.Box 1298 <br /> Glenwood Springs,CO 81602 <br /> lie= Steven Renner's Letter dated August 9, 1996 <br /> Rock Tunnel Ponds Reclamation Plan <br /> CDPS Permit No. CO-0000396; Pitkin County <br /> Dear Ms,Delaney: <br /> As we discussed by phone,the Colorado Division of Minerals and Geology("CDMG")has requested diverting <br /> mine water fi-om the Outfall 016 ponds to Outfall 025,a permitted storm water runoff outfall, for about a week <br /> while dewatering the Rock Tunnel mine entries. A copy of CDMG's letter is attached. After your site visit,I <br /> understand that you believe the activities should enable meeting Outfall 016's effluent limitations at Outfall 025_ <br /> The Water Quality Control Division("WQCD")approves of this temporary discharge of mine water through <br /> Outfall 025,provided Mid-Continent ensures the effluent is sampled twice/week during the discharge for the <br /> parameters specified in the permit for Outfall 016. Please collect the first sample within 24 hours of commencement <br /> of the mine'water discharge through Outfall 025. When submitting the data to the WQCD with the appropriate <br /> Discharge Monitoring Report,please indicate the duration of the diversion and of mine water discharge through <br /> Outfall 025 and summarize the analytical results. Please be advised that the effluent from Outfall 025 will be <br /> expected to meet Outfall 016's effluent limitations during the diversion, Should any exceedenees occur,please <br /> advise the WQCD within 24 hours and provide a nonoornpliance report,as defincd in the permit_ <br /> Thank you for your assistance and cooperation in this process. Please contact me with any questions at(303)692- <br /> 3603. <br /> Sincerely, <br /> i <br /> r <br /> Kathleen L. Sullivan <br /> Industrial Enforcement Engineer <br /> Permits and Enforcement Section <br /> WATER QUALITY CONTROL DIVISION <br /> CC" Stcve Renner,DMG y ,, y• ,r ,, a,:�9,, <br /> Bob Shukle,WQCD a- e'.� . .it m. �o.� �,a-�n to �tis a-;iP_�P - S• <br /> MS-3 File a zap g <br /> }T — 4. <br /> #euNd #euoyd <br /> -tdapjoa <br /> nn, �!t _ <br /> As e#d S U9L WN x8=1 A-IsDd <br /> TOO In %vd 00:9T jM 96/ST/90 <br />