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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 />' <br />Temperature Calcium Nitrogen-Nitrate <br />Carbonate Nitrogen-Ammonia <br />' Chloride Potassium <br />Copper Selenium <br />Fluoride Sodium <br />' <br />Iron Sulfate <br />Lead Total Dissolved Solids <br />t Magnesium Sodium Adsorption Ratio <br />'Groundwater holes in Leases C-8424 and C-8425 were sampled from the middle facie <br />' <br />zone and analyzed for these parameters prior to entering those leases, and will be sampled <br />and analyzed again prior to the wells being mined out or before bond release. <br />' "Dissolved metals analyses for alluvial and groundwater <br />Per the DMG permit requirements, water from the groundwater monitoring holes 29-4M, 30- <br />' 8M, 31-7M, 32-7M, and 33-8M in Leases C-8424 and C-8425 were sampled and analyzed <br />during the 1996-1997 water year. Appendix I of the Thirteenth Annual Hydrology Report <br />' provides the analytical results. Monitoring hole 32-7M was sampled prior to being mined out <br />in 2001. Data is provided in Appendix C of the Seventeenth Annual Hydrology Report. <br />2.2 Summary and Analysis of Deserado Mine Hydrolo9Y Data <br />' Data collected during this water year (October 1, 2004 to September 30, 2005) have been <br />summarized and compared with the data from the baseline hydrology inventory. Surface <br />water and ground water discussions are presented separately in the following sections. <br />' 2.2.1 Ground Water Monitorinn Data Groundwater monitoring data consists of water <br />' levels measurements. Tabulation of the data is included in Appendix C. Hydrographs for <br />the 16 stations (monitor holes) from which water level data were collected are included in <br />Appendix D. <br />' 4 <br />