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100,000 Total and Hexavalent Chromium 100,000 Iron and Manganese 1,000 Arsenic <br /> ._ <br /> Iron <br /> 10,000 <br /> —— WQO for Arsenic(10 Ng/L) <br /> Manganese <br /> --- <br /> WQO for Iron(300 Ng/L) <br /> J —— WQO for Manganese(50 Ng/L) <br /> 11 OO <br /> s ,000 , <br /> c 1,000 <br /> O <br /> 100 ------ rn <br /> J <br /> � a � v <br /> C •w tYr # -------�-- ——————— 'Me-- y <br /> C <br /> c 100 0 <br /> 010 ° ------------ ------------------- 10 -------- <br /> Total Chromium .r <br /> c d <br /> 1 <br /> 1 O <br /> Hexavalent Chromium p <br /> d <br /> ——— WQO for Chromium(50 ug/L) U U <br /> v — <br /> 0.1 __.. - 1 1 — <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 /> 1,000Sulfate 10,000 Total Organic Carbon 10,000 Total Dissolved Solids and Electrical Conductivity <br /> .....®� <br /> -----------►- -------- « -- 1,000 <br /> ii <br /> J 100 1,000 ..... <br /> rn100 E <br /> E ...__.. e rn i = CO) --------------------------------- <br /> c o <br /> a <br /> c o <br /> •y ° 10o w <br /> r ca <br /> aci 10 c100 <br /> L <br /> a <br /> v = E <br /> o <br /> U <br /> c <br /> co <br /> TDS <br /> IN IH <br /> ——— WQO for Sulfate(250 mg/L) <br /> --- EC <br /> a <br /> WQO for TDS(450 mg/L) <br /> : s: <br /> 1 0 10 .......:. ..... <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 /> 12PH soo rOxidation-Reduction Potential Notes <br /> 500 Well MW-450D was installed in June 2012 and developed in July 2012 <br /> 11 Non-detect values are plotted as half of the reporting limit <br /> 400 <br /> Metals samples were filtered before analysis; concentrations are on a dissolved basis <br /> 10 s yr <br /> _ Blue shading represents periods of treatment through vertical injection borings <br /> c 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 /> E <br /> 8 c <br /> c <br /> mg/L milligrams 0 <br /> = ml m r <br /> pe liter <br /> `.° WQO=water quality objective (not established if not shown on individual graphs) <br /> N � L <br /> e,, e <br /> 7 c -100 <br /> N <br /> . <br /> 6 <br /> -200 © M W H <br /> �I -300 <br /> FORMER MARLEY COOLING TOWER COMPANY <br /> 5 <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 INTERMEDIATE WELL MW-450D <br /> GRAPH 46 <br />