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100,000 Total and Hexavalent Chromium 100,000 Iron and Manganese 1,000 Arsenic <br /> 10,000 Total Chromium W <br /> H10,000 <br /> Hexavalent Chromium s —— WQO for Arsenic(10 Ng/L) <br /> WQO for Chromium(50 Ng/L) <br /> z 1,000 _ 100 <br /> 000 1, <br /> J <br /> Pill <br /> i <br /> it <br /> f6 JL 100 -. ......... ... w ! - ------ ----- -- Z <br /> -�--- <br /> m <br /> -- --- -------- ---------------JVI _ s <br /> c 100 _ = o <br /> U ------- ----------------10 10 AIN <br /> - <br /> - <br /> ................. <br /> L <br /> Ili C ................... <br /> f Iron v _ <br /> v 10 Manganese <br /> 1 <br /> m <br /> O --- WQO for Iron(300 Ng/L) EZ <br /> U <br /> U <br /> ——— WQO for Manganese(50 ug/L) <br /> 00 <br /> 0.1 ...° e....... <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 Conductivit <br /> .......®_ g Y <br /> AM -----------: ------------- - :'-- o0 <br /> . ... 10 <br /> 1001,000 <br /> l <br /> rn al 00 <br /> °1 ------ -- ------- ------ <br /> c <br /> LU <br /> E <br /> � --- <br /> g c - <br /> - <br /> .r <br /> 10 <br /> 10 c 100 <br /> E <br /> v _ <br /> g <br /> v1 .......®_ <br /> O TDS <br /> ®.. + <br /> EC <br /> --- WQO for Sulfate(250 mg/L) <br /> --- WQO for TDS(450 mg/L) <br /> 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 600 - Oxidation-Reduction Potential Notes <br /> °€ The first sample point on the graphs represents baseline conditions before remedial <br /> 500 <br /> 11 _® <br /> m <br /> activities affected groundwater in the vicinity of the well <br /> 400 <br /> Non-detect values are plotted as half of the reporting limit <br /> 10 y Metals samples were filtered before analysis; concentrations are on a dissolved basis <br /> 300 ......................mnnm ._®: - <br /> p Y <br /> rBlue shading represents periods of treatment through vertical injection borings <br /> c g = 200 _ shading represents periods of treatment through t <br /> _ _ Red ha he horizontal wells <br /> E <br /> 100 ...' pg/L= micrograms per liter <br /> caa 8 c <br /> o <br /> pS/cm - microSiemensper centimeter <br /> p <br /> mg/L= milligrams per liter <br /> N 7IIIIIIIII-W 1.1" 4) <br /> -100 - WQO=water quality objective (not established if not shown on individual graphs) <br /> v <br /> 0 200 <br /> 6n � - <br /> `-ru <br /> -300 FORMER MARLEY COOLING TOWER COMPANY <br /> 5 <br /> -400 -- STOCKTON,CALIFORNIA <br /> mCHEMICAL CONCENTRATIONS OVER TIME IN <br /> 4 ®e..... m 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 EW-1 <br /> GRAPH 47 <br />