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'..«..'3.'.i`•.t, �".x''�.�,(°; .r',; - •y�j.:.t:.,Y:' ._�; ,�_ - "r.;�,x,'. 'sin.-.G�'�. q�i_ha• r^,;Y ��„a <br />777 <br />Mean Std Range[.:' Min. r Min at <br />E ' dei► <br />Lab pH <br />8.4 <br />0.3 <br />2.1 <br />8.8 <br />6.7 <br />2 M <br />6/l/03 <br />i,ab-Con& (tut lcM <br />3,178 <br />206 <br />910 <br />3,580 <br />2,670 <br />2/17/06 <br />12/20/01 <br />TDS (mg/1) <br />2,178 <br />108 <br />550 <br />2,540 <br />1,990 <br />7/19/05 <br />11/12/13 <br />Sulfate (mg/l) <br />755 <br />59 <br />264 <br />860 <br />596 <br />1/9/02 <br />2/18/14 <br />Calcium (mg4) <br />15 <br />33 <br />257 <br />264 <br />7 <br />6/4/05 <br />2/9/16 <br />Iron (tot rec ug/1) <br />204 <br />162 <br />760 <br />770 <br />10 <br />11/14/12 <br />3/23/10 <br />Manganese (mg/1) <br />0.01 <br />0.01 <br />0.07 <br />0.08 <br />0.00 <br />1/3/02 <br />2/10/15 <br />Sodium (mg/1) <br />753 <br />47 <br />216 <br />833 <br />617 <br />3/9/05 <br />2/9/16 <br />Magnesium (mg/1) <br />9 <br />3 <br />24 <br />30 <br />6 <br />6/4/05 <br />2/9/16 <br />A review of the water year for this series of wells down gradient to the mining area indicates a <br />maximum value for laboratory conductivity, TDS, sulfate, manganese, sodium and magnesium <br />occurred at GW -N44 during the water year. However, during the next quarters sampling <br />minimum values were recorded at GW -N44 for TDS, sulfate, and calcium. One maximum values <br />for manganese occurred at GW -N45, while minimum values for manganese, laboratory <br />conductivity, TDS and sodium were also recorded at this well. Otherwise, these wells track <br />similar with sampling results indication normal season fluctuations including influences for <br />seasonal irrigation of the reclamation areas. <br />161Page <br />