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100,000 Total and Hexavalent Chromium 100,000 Iron and Manganese 1,000 Arsenic <br /> all �ll <br /> GIG Ip Ip I I <br /> xprn <br /> 10,000 Total Chromium t Iron <br /> Hexavalent Chromium 10,000 Manganese —— WQO for Arsenic(10 Ng/L) <br /> KEE <br /> J WQO for Iron(300 Ng/L) <br /> ——— WQO for Chromium(50 Ng/L) <br /> KEE <br /> MH <br /> Z1,000 n1� WQO for Manganese(50 ug/L) 100 04#44#440ww OR <br /> .� <br /> r' <br /> ET KEE <br /> 1,000MH ET KEE <br /> KEE <br /> �........illlilllilll a J ET KEE <br /> JETL 100 --- - -- -- — ---- — z <br /> *. - <br /> ------------ -- ET <br /> - <br /> 3 — _ <br /> c <br /> - <br /> KEE <br /> ° s <br /> 100 e o - <br /> c - — <br /> KEE <br /> ET <br /> V10 w -------�— ----------� -- a 10 - <br /> - i/ <br /> .. .: L . ® — <br /> KEE <br /> MH <br /> 10 W4 ETfflTfflTfflTfflMnTd 12 KEE <br /> 1ET <br /> c cKEE <br /> 0 <br /> w <br /> ...:..... o v <br /> ...;. .s........ v <br /> .. <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 /> 1,000 Sulfate 10,000 Total Organic Carbon 10,000 Total Dissolved Solids and Electrical Conductivity <br /> .��. -------- -- ----- i _ 1,000 - <br /> 15 EMT <br /> 15 EMT <br /> 100 1,000 <br /> J -_ E <br /> rnEMT 100 — <br /> HT <br /> C - <br /> O ",T 15 EMT CO)£ <br /> C <br /> �. 22 <br /> G U <br /> 15 EMT <br /> I w 1015 EMT <br /> w <br /> s <br /> c 100 <br /> c <br /> 10 s <br /> c f <br /> " s <br /> d = <br /> s <br /> O <br /> :, _ E <br /> " <br /> 15 EMT _ <br /> V c - <br /> 0 <br /> 15 EMT <br /> v s <br /> s <br /> TDS <br /> s EC <br /> .S WQO for Sulfate(250 mg/L) <br /> — WQO for TDS(450 mg/L) <br /> Ilieil <br /> 0 ®- <br /> 1 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 /> 12 PH soo N Oxidation-Reduction Potential Notes <br /> n The first sample point on the graphs represents baseline conditions before remedial <br /> — n <br /> 500 I,m activities affected groundwater in the vicinity of the well <br /> 11 ®® _ <br /> 400 <br /> = Non-detect values are plotted as half of the reporting limit <br /> 10 <br /> y 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 /> 9 <br /> _ 200 Red shading represents periods of treatment through the horizontal wells <br /> 100 pg/L= micrograms per liter <br /> � 8 0 ME <br /> 0 pS/cm = microsiemens per centimeter <br /> c _ <br /> r <br /> mg/L= milligrams per liter <br /> rn m -100 WQO=water quality objective (not established if not shown on individual graphs) <br /> s —200 a <br /> 0 <br /> -300 <br /> FORMER MARLEY COOLING TOWER COMPANY <br /> 5 n <br /> m -400 STOCKTON,CALIFORNIA <br /> _ <br /> 4 <br /> m <br /> CHEMICAL CONCENTRATIONS OVER TIME IN <br /> _e...". 500 <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-321 (1-9) <br /> GRAPH 32 <br />