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100,000 Total and Hexavalent Chromium 100,000 Iron and Manganese 1,000 Arsenic <br /> 10,000 t Iron <br /> 10,000 Manganese --- WQO for Arsenic(10Ng/L) <br /> WQO for Iron(300 Ng/L) <br /> Z 1 000 ——— WQO for Manganese(50 Ng/L) 100 <br /> c 1,000 <br /> ° III�w <br /> J <br /> L 100 ... --�_------------------------ — <br /> .. _ <br /> ------------------------------ <br /> d z <br /> 100 o <br /> v 10 — ° -- ------------------------- — L 10 <br /> r+ <br /> Total Chromium <br /> C V <br /> 1 Hexavalent Chromium v 10 U <br /> m <br /> WQO for Chromium(50 ug/L) () <br /> O <br /> .............................. <br /> 144194 W 19J JillIII <br /> ��I&ISI , <br /> ... <br /> 0.1 -4 . . . . I. . . . . . . . . . . . <br /> 1 1 IN,w: <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 Total Organic Carbon 10,000 Total Dissolved Solids and Electrical Conductivity <br /> ----- - --------Q, ------------- -W.-- 1,000 <br /> l i.. <br /> 1001,000 - �• <br /> rn all 00 <br /> ai ------------------------------------ <br /> cE <br /> a ISI <br /> 10 LU <br /> L <br /> L <br /> 10 100 <br /> c <br /> w <br /> o <br /> U _ <br /> o - <br /> 0 TDS <br /> U <br /> --- WQO for Sulfate(250 mg/L) <br /> t EC <br /> pI lol , 0 s 10 <br /> WQO for TDS(450 mg/L) <br /> 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 /> 12 PH soo - Oxidation-Reduction Potential Notes <br /> Well MW-449S was installed in June 2012 and developed in July 2012 <br /> 11 _ = 500 - Non-detect values are plotted as half of the reporting limit <br /> ® 400y 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 /> w o Red shading represents periods of treatment through the horizontal wells <br /> > -- <br /> c <br /> 9 = = pg/L= micrograms per liter <br /> E <br /> �- 100 mm pS/cm = microSiemens per centimeter <br /> 8 o m mg/L= milligrams per liter <br /> 0 <br /> WQO-water quality objective not established if not shown on individual graphs) <br /> rn L m - q Y 1 9 P ) <br /> 7 <br /> -100 <br /> co 20 <br /> MWH <br /> ® n -300 <br /> ® FORMER MARLEY COOLING TOWER COMPANY <br /> 5 -400 STOCKTON,CALIFORNIA <br /> 4 ®.m 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-449S <br /> GRAPH 43 <br />