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100,000 Total and Hexavalent Chromium 100,000 Iron and Manganese 1,000 -- Arsenic <br /> ililaia <br /> 10,000 - t Iron <br /> 10,000 Manganese --- WQO for Arsenic(10pg/ <br /> L) <br /> J <br /> --- WQO for Iron(300 Ng/L) <br /> z 1,000 <br /> ——— WQO for Manganese(50 Ng/L) 100 <br /> 0 1,000 ®_ <br /> J ®_ <br /> 100 ------------ --- - --- ------ <br /> i+ --.. <br /> ----------------------------------- <br /> 100 _ o <br /> C s <br /> 0 10 — — ° ------------ --- - - -------- L 10 <br /> f Total Chromium a d <br /> 10 s <br /> 1 Hexavalent Chromium O o <br /> O <br /> — WQO for Chromium(50 ug/L) M21U 111111111 <br /> IIplRlpl hl�i�lll <br /> : <br /> 1= 1 r, <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 /> ------------------------------- 1,000 <br /> J 100 <br /> E1,000 -- - <br /> a� 100 <br /> E ai cn <br /> ---------------- -----i =a►=-i------ <br /> v <br /> 0 IIII <br /> R = 1 AL1w <br /> 0 <br /> 1 <br /> v <br /> c10 100 <br /> E <br /> d <br /> oU c= <br /> c <br /> oAll ._ <br /> U 1 <br /> O — TDS <br /> f EC <br /> ——— WQO for Sulfate(250 mg/L) --- WQO for TDS(450 mg/L) <br /> _ <br /> 1p 10 <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 /> 12 PH soo p Oxidation-Reduction Potential Notes <br /> I�NIBI�II�hWell EW-5 was added to the sampling program in December 2010 <br /> 11 - 500 H, - Non-detect values are plotted as half of the reporting limit <br /> 400 Metals samples were filtered before analysis; concentrations are on a dissolved basis <br /> 10 y Blue shading represents periods of treatment through vertical injection borings <br /> �. 300 <br /> r 0 Red shading represents periods of treatment through the horizontal wells <br /> c g _ 200 - pg/L= micrograms per liter <br /> ° 100 - pS/cm = microSiemens per centimeter <br /> 80 0 mg/L= milligrams per liter <br /> WQO=water quality objective (not established if not shown on individual graphs) <br /> N 7 0 -100 - <br /> u <br /> 6 v -200 - © M W H <br /> -300 <br /> 5 FORMER MARLEY COOLING TOWER COMPANY <br /> -400 STOCKTON,CALIFORNIA <br /> IN= CHEMICAL CONCENTRATIONS OVER TIME IN <br /> 4 500 <br /> Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 Jan. 2008 Jan. 2009 Jan. 2010 Jan. 2011 Jan. 2012 INTERMEDIATE WELL EW-5 <br /> GRAPH 46 <br />