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COLORADO DEPAR7MI 9FHEALTHAND ENVIRONMENT, Water lily Control Division <br /> Rationale-Page 2, Permit�.o. CO-0044768 <br /> While the remediation actions will eventually eliminate direct exposure of mine waste to precipitation or surface <br /> drainage, and discharges of water stored within the waste will only be temporary and mitigated to the maximum extent <br /> practicable, it is necessary to provide permit coverage of all such discharges until the remediation actions have been <br /> completed. <br /> It should be noted that one of the remediation actions that will be included in this permit, which involves the chemical <br /> adjustment ofpooled mine water, does not involve mine waste. That project will accelerate filling of the mine pool and <br /> will force final pH equilibrium from a basic pH rather than an acidic pH. <br /> During the implementation of these mine remediation projects, discharges from the American Tunnel or the Terry <br /> Tunnel will continue to be subject to CDPS permits No. CO-0027529 or CO-0036056. <br /> The remediation projects that will be covered by this permit are listed below, and are fully described within the permit <br /> itself. Each project will be treated as an attachment to the permit, and will be identified as shown below: <br /> • :::}4;•.y:••ii:'.::}':i is}}}:4;.y:^}i}}y{•}ii•;•;.}ii:•}:•}:i'}%;:;:i:Giiiii::ii%:•Yf:4}:4;•}:4}}i ::::W:Oi;•}}}}::.:::}::}:4:4:i•.'.': < <br /> ........ .. <br /> .}}:)':i;:;i:::}Fi:}j%::i}}:C�:.}'•}::.i::.::{.::•}:•}:•::•}:•}:•}:•}::•i:•}:•:i%i:{>S%i:'••i:i}%i::�j:::ijj:ivi:•:%i:}i:<::: : <br /> ':::.}:!d.:•:•::<'}.}:•}:4:J:v}}:::•.:::::Ni::::... .. ...kti{:??::4;•}}:•}}}:L•};•}:{:i;,:•::::::::.�:::.•...;..y:::...... yy {{��..yy <br /> i.iY M4i•:i%:tii.::;.%'}+.'::':ii::}:a'rQ;i;?<}:•;i•T,%};±?'.,: yy }� y <br /> American Tunnel Mine Waste Dump AT 8 <br /> Boulder Creek Tailings Project BC 7 <br /> Columbus Mine Portals Mine Waste Dumps CM 8 <br /> Surface Mill Tailings at Eureka ET 7 <br /> Gold Prince Mill Tailings GP 10 <br /> Longfellow Koehler Mine Waste Project LK 14 <br /> London Mine Portals Waste Dumps LM 8 <br /> Pride of the West Tailings PW 8 <br /> Sunnyside Mine Pool Mitigation-Alkaline Solution SP 6 <br /> Injection <br /> IV TERMS AND CONDITIONS OFPERMIT <br /> A. Mine Remediation Plan <br /> Upon beginning remediation work at a site, the permittee is required to fully implement the Mine Remediation <br /> Plan (AqW) that has been submitted for that site. <br />