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100,000 Total and Hexavalent Chromium 100,000 Iron and Manganese 1,000 Arsenic <br /> 10,000 - I f Iron <br /> i .:.... 10,000 --4 Manganese --- WQO for Arsenic(10Ng/L) <br /> bidJ --- KIN <br /> WQO for Iron(300 Ng/L) KIN flfflflfflfflflfflfflfl�U� VE <br /> 1 000 - <br /> -- WQO for Manganese(50 Ng/L) 100 <br /> a bid, <br /> 3 -� <br /> c v <br /> 1,000 <br /> .. a bid, <br /> ISI Itla Ebid E ME <br /> a bid, <br /> M KIN <br /> 4.i bid ME <br /> --------------- <br /> 100 ---�- -- -- -- - --------- - a� a bid, <br /> r - I. - ? <br /> --- ----------- 100 _ ME <br /> o <br /> ME <br /> a bid <br /> U 10bid <br /> ° r ®r ----- - bbb ------------+�-- 10 <br /> LU KIM KIN r <br /> ME <br /> f Total Chromium d <br /> 1 <br /> Hexavalent Chromium v 10 O <br /> cM ME <br /> O <br /> --- WQOforChromium(50ug/L) U <br /> "• <br /> 0.1 1 w 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 /> - -- -------- - - 1,000 <br /> 4. 15 HERE HE <br /> 4. 15 HERE HE <br /> bbbb 4.b <br /> 100 1,000 - <br /> 3100 <br /> E �- --- - --rwfs--- <br /> E - <br /> O _ <br /> t. W4d4d4d4d4diIN <br /> o <br /> 0 <br /> RM MIM 4.b HE <br /> 10 w <br /> 10HE <br /> 100 <br /> 0 <br /> E <br /> UM 15 HERE HE <br /> c <br /> O - <br /> c <br /> M 15 HERE HE <br /> v <br /> 1 s <br /> m O TDS <br /> ~ EC <br /> i9 --- WQO for Sulfate(250 mg/L) --- WQO for TDS(450 mg/L) <br /> 1 0 a- <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 soo Oxidation-Reduction Potential Notes <br /> 500 The first sample point on the graphs represents baseline conditions before remedial <br /> - m activities affected groundwater in the vicinity of the well <br /> m <br /> ® m 400 Non-detect values are plotted a reporting limit <br /> -� - Non det t val ed ash If o f the <br /> 10 y = Metals samples were filtered before analysis; concentrations are on a dissolved basis <br /> 300 ®� _ <br /> r o = Blue shading represents periods of treatment through vertical injection borings <br /> 200 -_ <br /> Y;; <br /> I <br /> 100 Red represents p <br /> e <br /> riods of treatment through the horizontal wells <br /> pg/L micrograms per liter <br /> 8 _ Ilk <br /> o pS/cm <br /> = microSiemens per centimeter <br /> c0 - - <br /> mg/L= milligrams per liter <br /> N -100 WQO=water quality objective (not established if not shown on individual graphs) <br /> s U -200 a <br /> o ! <br /> -300 <br /> - FORMER MARLEY COOLING TOWER COMPANY <br /> 5 m <br /> -400 STOCKTON,CALIFORNIA <br /> 4 _e..... � 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-214(1-8) <br /> GRAPH 24 <br />