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100,000 Total and Hexavalent Chromium 100,000 Iron and Manganese 1,000 Arsenic <br /> 10,000 10,000 40---Iron ——— WQO for Arsenic(10 Ng/L) <br /> f Total Chromium — Manganese ... <br /> lilllllil <br /> J4 Hexavalent Chromium ——— WQO for Iron(300 Ng/L) ..„; <br /> Z <br /> 1,000 - - ——— WQO for Chromium(50 ug/L) ——— WQO for Manganese(50 Ng/L) 100 <br /> c1,000 ®_ <br /> i _ <br /> .'' .. __ <br /> _ _ <br /> 100 - <br /> aitM <br /> ------------ --------------- 3 -- <br /> 100 0 I <br /> V 10 <br /> --- ° € re��— ---- -- -- ------ -- — L 10 <br /> L <br /> ......: - <br /> 10 e <br /> 1 o <br /> L <br /> 0 <br /> U <br /> U <br /> 0.1a......: <br /> 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 /> 1,00o Sulfate 10 000 Total Organic Carbon 10 000 Total Dissolved Solids and Electrical Conductivity <br /> ......-. <br /> ---- ------ 1,000 _ <br /> 100 _ 1,000 <br /> E <br /> rn 100 <br /> Eai ---- <br /> £ <br /> --- --- ------ <br /> -- <br /> � c <br /> o — <br /> rONOX <br /> o U <br /> :� 1 p w <br /> c <br /> L <br /> 10 � <br /> c 100 <br /> c : <br /> 0 <br /> U c - <br /> o ..... — . <br /> _ <br /> U 1 <br /> ®_ <br /> _! <br /> O TDS _ <br /> ——— WQO for Sulfate(250 mg/L) <br /> —0---EC <br /> _ <br /> --- WQO for TDS(450 mg/L) <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 Oxidation-Reduction Potential Notes <br /> The first sample point on the graphs represents baseline conditions before remedial <br /> 11 __ 500 activities affected groundwater in the vicinity of the well <br /> 400 Non-detect values are plotted as half of the reporting limit <br /> 10 - y a Metals samples were filtered before analysis; concentrations are on a dissolved basis <br /> 300 ....................—_.. <br /> p Y <br /> w o Blue shading represents periods of treatment through vertical injection borings <br /> MtPft <br /> c g 200 Red shading represents periods of treatment through the horizontal wells <br /> NEER <br /> — 9 p p 9 <br /> 100 pg/L= micrograms per liter <br /> OZER <br /> 8 o p a pS/cm = microSiemens per centimeter <br /> c <br /> ca - <br /> E OZERmg/L= milligrams per liter <br /> rn <br /> 4, -100 WQO=water quality objective (not established if not shown on individual graphs) <br /> vOZER <br /> 6 MtPft <br /> v -200OZER <br /> © 7T..l V”L`j <br /> MtPft <br /> OZER <br /> -300 — OZERFORMER 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-106 <br /> GRAPH 12 <br />