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t Draft: March 31, 1999 Page 16 <br />An alluvial monitoring well will be constructed at the Yankee Gulch Lease site, downstream <br />' of the proposed pond at the upper plant to monitor for potential pond leakage. <br />5.3 Pipeline Monitoring <br />' The pipeline that recirculates water from the Pazachute site to the Yankee Gulch site will be <br />monitored. The parameters and related sampling frequencies are listed in Table 5. <br /> <br /> Table 5. Recirculation Pipeline Water Monitoring Plan Summary <br /> Parameters Monitoring Frequency <br />' Carbonate daily <br /> Bicarbonate daily <br />' Sodium daily <br /> Specific Gravity 10 minutes <br />' Temperature 10 minutes <br /> Pressure 10 minutes <br />' pH daily <br />' Fe daily <br /> Conductivity daily <br />' Water Quality List 1 (WQ1) quarterly <br /> Water Quality List 2 (WQ2) annually <br /> <br />6.0 QUALITY ASSURANCE/QUALITY CONTROL <br />Water quality laboratory analyses will be conducted in accordance with a plan approved by <br />' the BLM. A State of Colorado certified laboratory will be used for all off-site water quality analysis. <br />' American Soda will maintain afull-time environmental coordinator who will assure adherence to <br />the QA/QC plan. <br /> <br />1 <br />1 <br />Agapito Associates, Inc. <br />