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100,000mHAx Total and Hexavalent Chromium 100,000 Iron and Manganese 1,000 Arsenic <br /> IIIIIII .�: <br /> 10,000 <br /> Total Chromium 10,000 +Iron ——— WQO for Arsenic(10 Ng/L) <br /> Manganese <br /> Hexavalent Chromium --- WQO for Iron(300 Ng/L) ZENO <br /> J HPHM <br /> ——— WQO for Chromium(50 Ng/L) ——— WQO for Manganese(50 Ng/L) ZENO <br /> z1,000 1004444HPHM <br /> c 1,000 .°INOHPHM <br /> : <br /> o g_ -_ <br /> HPHM <br /> R _ tPHM 101iJ ®_ HPHM <br /> 100 m. ------- --- - -------- <br /> i� HPHMINOR1 <br /> ----------------------------------- 100 ism _ 0 <br /> HPHM <br /> OHPHM UUM01010101 <br /> V 10 — — aaaaaamm <br /> tPhPhM �— ----------fr--- ----------- 10 <br /> ++ L <br /> L0HPHM ZENO <br /> HPHM <br /> _ gtPHM <br /> 10 _ = <br /> 1 _ oMt <br /> U ` U = <br /> 0.1 a...... 1 <br /> Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 <br /> 1,000 Sulfate 10,000 Total Organic Carbon 10,000 Total Dissolved Solids and Electrical Conductivity <br /> — — <br /> —————————— ----------------- 1,000 <br /> 100 1'000 <br /> J , LJ <br /> rn a 1 OO <br /> E C1 cq <br /> a ———————————————— —————————————————— <br /> s 00 IIII II <br /> W <br /> r10 1 <br /> EM <br /> w <br /> &N NNE <br /> 10 d as 100 <br /> o <br /> ZiN NNE <br /> E <br /> vZONNN _ <br /> tMMF c <br /> v 1 - <br /> cc <br /> o <br /> t TDS <br /> ——— WQO for Sulfate(250 mg/L) f EC <br /> __! a <br /> --- WQO for TDS(450 mg/L) <br /> 1 p a <br /> 10 <br /> Jan. 2008 Jan. 2009 an. 2010 Jan. 2011 Jan. 2012 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 <br /> 12 PH soo Oxidation-Reduction Potential Notes <br /> 500 The first sample point on the graphs represents baseline conditions before remedial <br /> 11 - activities affected groundwater in the vicinity of the well <br /> 400 - Non-detect values are plotted as half of the reporting limit <br /> MINE <br /> ffltPft <br /> 10 - y Metals samples were filtered before analysis; concentrations are on a dissolved basis <br /> 300 -_ <br /> "o p Y <br /> r o Blue shading represents periods of treatment through vertical injection borings <br /> = 9 > 200 <br /> Red shading represents periods of treatment through the horizontal wells <br /> ° 100pg/L= micrograms per liter <br /> MINE <br /> mm <br /> 8 0 S/cm = microSiemens per centimeter <br /> p - p <br /> r E MINEmg/L= milligrams per liter <br /> Na=i -100a MINEWQO=water quality objective not established if not shown on individual graphs) <br /> _ q Y 1 9 P ) <br /> MINE <br /> ffltPft <br /> 11111111�z MINE <br /> 6 v -200 <br /> MINE <br /> ffltPft <br /> MINE <br /> -300 — ffltPft MINEFORMER MARLEY COOLING TOWER COMPANY <br /> 5 <br /> -400 -- STOCKTON,CALIFORNIA <br /> 4 -500 CHEMICAL CONCENTRATIONS OVER TIME IN <br /> Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 SHALLOW WELL MW-304 <br /> GRAPH 29 <br />