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100,000 Total and Hexavalent Chromium 100,000 Iron and Manganese 1,000 Arsenic <br /> .... EEE u6Eie xwu Si 6i <br /> 10,000 -Iron <br /> --I Total Chromium10,000 Manganese --- WQO for Arsenic(10 Ng/L) <br /> Hexavalent Chromium --- WQO for Iron(300 Ng/L) <br /> JON Ni44444 <br /> = 1 000 --- WQO for Chromium(50 Ng/L) NEMNERNM -- WQO for Manganese(50 Ng/L) 100 NNW <br /> ® ON Pi_ <br /> c <br /> 1,000 _ <br /> 0M MIME <br /> J - <br /> 100 li <br /> -- J --- - 11 1111111111 <br /> - z 1-------- ------------j - <br /> 100 I - o <br /> 0M4 Ni ON <br /> V 10 - t -- ------------ <br /> -- a 10 <br /> NEMNEMNEfl- <br /> L iL+ <br /> ON <br /> 10 _ Ni <br /> C i o <br /> hid <br /> 1 o U <br /> U <br /> 0.1 ....... _ <br /> µ <br /> 1 1 <br /> 57 i <br /> II <br /> Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2013 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2013 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2013 <br /> 1,000 Sulfate 10 000 ®g Total Organic Carbon 10,000 Total Dissolved Solids and Electrical Conductivity <br /> -------- -- -------- - #- <br /> 1,000 <br /> 100 00 <br /> g - <br /> rn 100 a <br /> E1,0 <br /> o W WWI£ <br /> c <br /> o U <br /> :� 10 w <br /> L <br /> c _ <br /> - <br /> 1p as 100 <br /> N <br /> o O _ <br /> U _ <br /> p <br /> U <br /> :. - <br /> _ <br /> : H -~ECS <br /> --- WQO for Sulfate(250 mg/L) --- WQO forTDS(450 mg/L) <br /> u <br /> sa <br /> Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2013 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2013 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2013 <br /> 12 PH soo rOxidation-Reduction Potential Notes <br /> The first sample point on the graphs represents baseline conditions before remedial <br /> 500 activities affected groundwater in the vicinity of the well <br /> 400 <br /> Non-detect values are plotted as half of the reporting limit <br /> M MIN <br /> 10 y I Metals samples were filtered before analysis; concentrations are on a dissolved basis <br /> - 300 <br /> w m o Blue shading represents periods of treatment through vertical injection borings <br /> 9 m >_ <br /> - 200MINI'EHORN MIN 411 <br /> Re shading represents periods of treatment through the horizontal wells <br /> - _ = micrograms r liter <br /> Red h <br /> MIM <br /> MINIM N HP MIN <br /> -a 8 <br /> �- 100 hg/L ogra s pe <br /> o a pS/cm = microSiemens per centimeter <br /> p <br /> E MIN <br /> mg/L= milligrams per liter <br /> N -100 ;° WQO=water quality objective (not established if not shown on individual graphs) <br /> 610 ID U -200 l d _ L <br /> ° <br /> 0 <br /> © f Ino <br /> -300 <br /> FORMER MARLEY COOLING TOWER COMPANY <br /> 5 - <br /> - <br /> -400 STOCKTON,CALIFORNIA <br /> 4 -500 ,.,-,..-. ,.. <br /> CHEMICAL CONCENTRATIONS OVER TIME IN <br /> Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2013 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2013 SHALLOW WELL MW-210 <br /> 11 1 GRAPH 20 <br />