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analyzed during the 1996 -1997 water year. Appendix I of the Thirteenth Annual Hydrology <br />Report provides the analytical results. Monitoring hole 32 -7M was sampled prior to being <br />mined out in 2001 and 30 -8M before it had a chance to drain after being completely mined <br />around in late 2006. Data is provided in Appendix C of the Seventeenth Annual Hydrology <br />Report for 32 -7M and the Twenty Third Annual Hydrology Report, for 30 -8M. The final <br />sampling for monitoring hole 29 -4M was conducted in September 2012 with the results <br />included in this report in Appendix C. <br />FIELD MEASUREMENTS <br />pH <br />Conductivity at 25 <br />Temperature <br />TABLE 2 -1 <br />ALLUVIAL MONITORING HOLE WATER QUALITY PARAMETERS' <br />Arsenic <br />Beryllium <br />Bicarbonate <br />Boron <br />Cadmium <br />Calcium <br />Carbonate <br />Chloride <br />Chromium (trivalent) <br />Copper <br />Fluoride <br />Iron <br />Lead <br />1 Groundwater holes in Leases C -8424 and C -8425 were sampled from the middle facie zone and <br />analyzed for these parameters prior to entering those leases, and will be sampled and analyzed <br />again prior to the wells being mined out or before bond release. <br />* Dissolved metals analyses for alluvial and bedrock groundwater <br />LABORATORY ANALYSIS* <br />2.2 Summary and Analysis of Deserado Mine Hydrology Data <br />Data collected during this water year (October 1, 2011 to September 30, 2012) 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 />4 <br />Magnesium <br />Manganese <br />Nickel <br />Nitrogen- Nitrate <br />Nitrogen- Ammonia <br />Potassium <br />Selenium <br />Sodium <br />Sulfate <br />Total Dissolved Solids <br />Sodium Adsorption Ratio <br />Zinc <br />