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100,000Total and Hexavalent Chromium 100,000 Iron and Manganese 1,000 Arsenic <br /> ...... e. '111H i �1.....:. o.oui NNE <br /> .. <br /> !ff NEE <br /> m <br /> 10,000 NNE <br /> Total Chromium WQO f A <br /> 10,000 --- or rsenic(10Ng/L) <br /> NNE <br /> Hexavalent Chromium <br /> NNIONNIN <br /> NNE <br /> J WQO for Chromium(50 Ng/L) NE NNE We Of <br /> z 1,000 N4NflI4flN4NflO4NflN4IfltN MM <br /> 100 <br /> �II�IIIIII�I�I�III 1,000fiFfiFfiFfiFfiFfi <br /> !� Pft NNE <br /> NINE <br /> + J <br /> `° 100 --� ------------------------ - <br /> r NNONNNINNOMM NE NNE <br /> Elm z <br /> ----- _. NNNIMMINE NNE <br /> s <br /> 100 NE NNE <br /> o <br /> v 10 ° NNINNONNIN ------ -- L 10 <br /> - r <br /> L �+ <br /> C m ON <br /> NINNONNIN <br /> IronNNEN NNE <br /> V <br /> C <br /> NNEN NNE <br /> 0404040404.44 44 <br /> d <br /> d <br /> v 10 Manganese <br /> 1 O l --- WQO for Iron(300 Ng/L) U <br /> s --- WQO for Manganese(50 pg/L) <br /> • s <br /> .,: <br /> lililililililii <br /> 0.1 1 ..'. R ^ter ��T, 1 tl <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 ®m Total Organic Carbon 10,000 Total Dissolved Solids and Electrical Conductivity <br /> M MIN <br /> --------'-- AN <br /> ------- ,r#- 1000 <br /> MIN <br /> o. <br /> IN <br /> PHP <br /> I: <br /> I P MIN IN <br /> 100 il <br /> PHP <br /> E 1,000 <br /> rn a 100 - .oN MIN IN <br /> ....... <br /> ----------------------It! P HPHP PHP - <br /> N MIN <br /> PHP <br /> r r <br /> o <br /> E IN <br /> R <br /> HPHP <br /> N MIN Pt O U <br /> c <br /> A MIN <br /> 10 w <br /> 10 cIN <br /> HPHP <br /> MIN <br /> PHP <br /> 100 <br /> cv <br /> 0 E <br /> U - <br /> „! p <br /> c <br /> HPHP <br /> P MIN PHP U <br /> 1 <br /> HPHP <br /> �,�,:, PHP g O �TDS <br /> F H <br /> t EC <br /> --- WQO for Sulfate(250 mg/L) --- WQO for TDS(450 mg/L) .I <br /> 1 0 ....®_ a 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 Oxidation-Reduction Potential Notes <br /> The first sample point on the graphs represents baseline conditions before remedial <br /> 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 <br /> _r 300 Metals samples were filtered before analysis; concentrations are on a dissolved basis <br /> r n o Blue shading represents periods of treatment through vertical injection borings <br /> 9 n <br /> c F _ 200 - R <br /> Rding represents periods of treatment through t <br /> Red shading he horizontal wells <br /> 111111111 N <br /> ° 100 M' hg/L= micrograms per liter <br /> 8 0 I pS/cm = microsiemens per centimeter <br /> 0 _ mg/L= milligrams per liter <br /> N -100 - WQO=water quality objective (not established if not shown on individual graphs) <br /> ..........-...e. v <br /> 6 U -200 - © 1 d L <br /> g o <br /> �:,r��y�.ate•.. <br /> -300 . _ <br /> ......... <br /> 5 <br /> ® FORMER MARLEY COOLING TOWER COMPANY <br /> ®® n -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 SHALLOW WELL MW-303 <br /> GRAPH 28 <br />