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<br />~I~ ~I~~I~~I~~~~~~~~ <br />YV1- ~ ~ ~ ~ i a <br />~a~~ 999 Z <br />v ~ovs(7o1''~ MONITORING REQUIREMENT SUMMARY <br />~! u;reu~~u-ff ~~ dsr.~ SAN LUIS PROJECT <br />or <br />1.0 Genera <br />Monitoring and observation programs will be conducted to confirm that <br />the performance of the San Luis Project is satisfactory, to refine analyses <br />and modify designs, and to document the performance for review by <br />regulatory agencies. The level and quality of groundwater, pit inflows, <br />and quality of surface water, the level of the phreatic surface in the <br />tailings embankment, the settlement of embankment, freewater pa>nd volumes, <br />and the embankment and disposal area levels will be monitored and recorded <br />systematically. Almost continuous visual observations of the mining <br />project will be conducted by the operating personnel. Significant <br />observations will be recorded. <br />The development of the monitoring program details, such as <br />observation well locations, sampling type and sampling frequency, and <br />possible piezometer locations will be an evolutionary process continuing <br />throughout construction and operation of the project. <br />For this reason, the observation program and monitooring plans <br />outlined herein should be viewed as subject to change during the operations <br />as necessary to ensure comprehensive site monitoring. <br />During operation, visual observations will be made of the tailings <br />disposal facilities on a daily basis to check the condition of the <br />embankment, disposal area, pipelines, and water control facilities. <br />Prior to tailings deposition, an operator's manual will be written <br />which will explain the general design criteria and what to look for during <br />operation. The operator's manual will contain standard forms far recording <br />and reporting observations from visual inspections and data obtained from <br />monitori~;g systems. <br />