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I <br />Rejected il Accepted II <br />1 1 <br />Long-tetrn RO <br />Pump Treat Discontinue RO <br />Puunp•Tueat <br />Replace Alluvial <br />Materials <br />1 <br />Remove Pipeline <br />Reclaim Creek <br />Long.terrn kith/serial <br />Facility$ Related <br />Disturbance at Site <br />I <br />RO Pump Treat <br />plus In situ Trial <br />L <br />�A -seas In -Rine Pilot 1 <br />Trial Results <br />y <br />Allow Mille to Refill ■ <br />BPL = point of compliance <br />GW = groundwater <br />LLHG = Long Lake Head Gate <br />MP = mine pool <br />MWs = monitor wells <br />POC = point of compliance <br />RO = reverse osmosis <br />WQ = water quality <br />Treat MP I <br />Assessments of <br />In -situ Alone <br />I ' <br />[Rejected 1 f Accepted I <br />In situ Treat Disposal <br />In -situ Treat II <br />Monitor WO to <br />Ott antify Mitigation <br />A Determine <br />Maintenance <br />Treatment Intervals <br />Lomb -tetra k -!ijIu <br />Maintenance <br />Treatments <br />Monitor WO to <br />Auantify Mitigation <br />& Determine <br />Maintenance <br />Treatment Intervals <br />Long-term In sine <br />Maintenance <br />Treatments <br />i <br />RO <br />May 1, 2012 9 <br />(Mine Ponl <br />Pump Treat <br />Alluvial GW <br />[Install Pipeline <br />j Excavate Alluvium I <br />Grout Seal any <br />Conduits Seeps <br />r in-I n Treat? 1 <br />Nn <br />p Ti eal <br />1 <br />Mo <br />RO Pump T10.11 1 <br />Yes <br />titanium in MP I Dewatering to 500 I <br />Mitigated by Dltrrecessaey <br />In -else? I <br />j (Rerlai' MWs <br />No i. <br />RO Pump Treat II <br />Yes <br />Compliance at <br />BPL. LLHG an/I <br />MWs? <br />1 <br />(Nn <br />Yes <br />Replace Alluvial <br />Materials <br />Remove Pipeline I <br />Reclaim ere <br />Site Fully Rentediaterl <br />and Reclaimed ei <br />Shniteat Time Frarne <br />Possible <br />Install Berk Fla <br />MWs <br />Evaluate Hyruulic <br />GI *till ent, <br />A►onndwatet Flow <br />Dynamics. <br />Potential Deep <br />Bedrock P«(= <br />L <br />r Evidence of MP <br />Excnrsinns Alonq <br />I Schwartz Tren.l? <br />Yes <br />Dewater MP to <br />500• and 01 In sin' <br />Treat <br />Continue MWs <br />Figure 2: Remedial process plan flow chart for mitigation of potential impacts from the mine pool at the Schwartzwalder Mine site. <br />