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Monitoring <br />Date <br />Sample <br />Location <br />Inflow Rate <br />(gpm) <br />Field pH <br />(s.u.) <br />Temperature <br />(deg. C) <br />Dissolved <br />Oxygen <br />(mg /L) <br />Specific <br />Conductance <br />(uS /cm) <br />Oxygen - <br />Reduction <br />Potential (mV) <br />Comments <br />3/10/2008 <br />WW Sump <br />2.4 <br />8.30 <br />11.0 <br />NM <br />NM <br />NM <br />See Table 1 <br />6/19/2008 <br />WW Sump <br />2.8 <br />10.26 <br />11.5 <br />0.78 <br />592 <br />114 <br />See Table 1 <br />9/8/2008 <br />WW Sump <br />2.2 <br />9.11 <br />11.0 <br />8.48 <br />649 <br />62 <br />See Table 1 <br />12/16/2008 <br />WW Sump <br />1.7 <br />8.75 <br />10.7 <br />5.22 <br />609 <br />149 <br />See Table 1 <br />3/5/2009 <br />WW Sump <br />2.1 <br />8.52 <br />11.1 <br />8.24 <br />618 <br />151 <br />No analytical samples collected <br />4/20/2009 <br />WW Sump <br />2.2 <br />8.41 <br />11.2 <br />6.68 <br />626 <br />177 <br />No analytical samples collected <br />8/11/2009 <br />WW Sump <br />1.6 <br />8.76 <br />11.9 <br />6.44 <br />599 <br />152 <br />No analytical samples collected <br />12/1/2009 <br />WW Sump <br />1.4 <br />8.61 <br />11.5 <br />6.54 <br />624 <br />160 <br />No analytical samples collected <br />2/2/2010 <br />WW Decline <br />2.0 <br />7.06 <br />11.3 <br />7.02 <br />597 <br />170 <br />No analytical samples collected <br />4/21/2010 <br />WW Decline <br />1.9 <br />8.07 <br />12.3 <br />6.76 <br />576 <br />201 <br />See Table 1 <br />9/8/2010 <br />WW Decline <br />1.7 <br />8.65 <br />11.9 <br />4.53 <br />592 <br />133 <br />No analytical samples collected <br />11/4/2010 <br />WW Decline <br />3.4 <br />8.49 <br />11.6 <br />2.22 <br />578 <br />207 <br />No analytical samples collected <br />2/7/2011 <br />WW Decline <br />1.7 <br />8.49 <br />11.3 <br />2.26 <br />590 <br />151 <br />See Table 1 <br />6/20/2011 <br />WW Decline <br />1.2 <br />8.17 <br />11.7 <br />2.42 <br />620 <br />159 <br />No analytical samples collected <br />8/20/2011 <br />WW Decline <br />1.3 <br />8.54 <br />11.6 <br />2.54 <br />644 <br />163 <br />No analytical samples collected <br />10/25/2011 <br />WW Decline <br />1.0 <br />8.48 <br />11.5 <br />2.63 <br />618 <br />157 <br />No analytical samples collected <br />11/9/2011 <br />WW Decline <br />1.0 <br />8.19 <br />11.5 <br />3.09 <br />631 <br />234 <br />See Table 1 <br />2. Whirlwind Decline <br />WHIRLWIND MINE, PERMIT NO. M- 2007 -044 <br />FOURTH QUARTER 2011 HYDROLOGICAL REPORT <br />(1) From First Quarter 2008 to Fourth Quarter 2009, the inflow rate was estimated over the quarter by calculating the volume of water pumped out o .... e mine and <br />treated and estimations of the volume of water evaporated off the untreated water tank and brought out of the mine as moisture in waste rock, ore, and ventilated air. As <br />of the First Quarter 2010, water inflow is estimated based on the approximate water elevation and the void volume of the mine workings. <br />3. Packrat Mine <br />Not Accessible <br />