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TABLE 2-1 <br />ALLUVIAL MONITORING HOLE WATER QUALITY PARAMETERS <br />FIELD MEASUREMENTS LABORATORY ANALYSIS <br />pH Bicarbonate Manganese <br />Conductivity at 25° Boron Nickel <br />Temperature Calcium Nitrogen-Nitrate <br /> Carbonate Nitrogen-Ammonia <br /> Chloride Potassium <br /> Copper Selenium <br /> Fluoride Sodium <br /> Iron Sulfate <br /> Lead Total Dissolved Solids <br /> Magnesium Sodium Adsorption Ratio <br />Groundwater holes in Leases C-8424 and C-8425 were sampled from the middle facie zone <br />and analyzed for these parameters prior to entering those leases, and will be sampled and <br />analyzed again prior to the wells being mined out or before bond release. <br />Dissolved metals analyses for alluvial and groundwater <br />As per the DMG permit requirement, water from the groundwater monitoring holes 29-4, 30-8, <br />31-7 and 33-8 in Leases C-8424 and C-8425 were sampled and analyzed during the 1996-1997 <br />water year. Appendix I of the Thirteenth Annual Hydrology Report provides the analytical results. <br />Monitoring hole 32-7M was sampled prior to being mined out in 2001. Data is provided in <br />Appendix C of the Seventeenth Annual Hydrology Report. <br />2.2 Summary and Analysis of Deserado Mine Hydrology Data <br />Data collected during this water year (October 1, 2002 to September 30, 2003) have been <br />' summarized and compared with the data from the baseline hydrology inventory. Surface water <br />and ground water discussions are presented separately in the following sections. <br />' 2.2.1 Ground Water Monkorina Data Groundwater monitoring data consists of water levels <br />measurements. Tabulation of the data is included in Appendix C. Hydrographs for the 16 <br />' stations (monitor holes) from which water level data were collected are included in Appendix D. <br />4 <br />