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<br />nnnz-ninrv <br />The issues that may be addressed by the objecting parties <br />under the heading "Project design" include: <br />1. Waste Rock, tailings and pond management: <br />a. Adequacy of tailings liner system; <br />facility; <br />b. necessity of leak detection system; <br />c. definition of acceptable leakage from tailings <br />d. anticipated tailings permeability; <br />e. potential for toxic leakage from Waste Rock <br />Disposal Area D entering Rito Seco; <br />f. tailings geochemistry; <br />g. long-term leaching of metals from tailings; <br />h. stability; <br />i. tailings decontamination <br />2. Hydrological Controls: <br />a. routing of flows which exceed probable maximum <br />precipitation event; <br />b. clarification of tailings receiving stream; <br />c. adequacy of 100-year 24-hour design si:orm event <br />for temporary diversions; <br />d. establishment of appropriate probable maximum <br />precipitation event; <br />nation; <br />e. potential for post-mining ground water contami- <br />f. offsite erosion, impacts to adjacent areas and <br />sedimentation potential during operations; <br />