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Graph 2 -Concentrations of Hydrocarbons in Well U-10 during C-Sparge System Operation <br /> Former Unocal Service Station No. 0187 437 East Miner Ave. <br /> Stockton, CA <br /> 70.00 <br /> 800 <br /> Baseline <br /> 700 60.00 <br /> 600 50.00 <br /> Began Microsparge <br /> 500 40.00 a <br /> a <br /> J2 <br /> CL <br /> CL <br /> d <br /> _ 400 Additional Sparge Paints Installed 30.00 m <br /> a <br /> 300 <br /> 20.00 <br /> 200 <br /> 10.00 <br /> 100 <br /> 0.00 <br /> 0 <br /> O O �. ty cy N ti ry ry N ti N sY r1+ N M M M �'] 03 <br /> `foo°o° �� 4°����tiNo o�o ���� \? Z? <br /> o�oa� o <br /> \ \ ♦ ♦ \ \ ♦ ♦ \ \ ♦ \ \ ♦ \ ♦ ♦ \ ♦ \ \ ♦ ♦ \ ♦ \ ♦ \ ♦ \ \ \ \ o ♦ \ \ <br /> rY h�o \� -Cu airy ory +N�'� ,N ry CV c�Vc hrV ry 45 ��ry RIN �as O\`� O Od`O\'wry-5 0 \� <br /> oo ►� 000 � 000000 ' o5zi � 0000C 0 Z) 00 <br /> Sampling date <br /> - TPHg (in ppb) --o benzene (in ppb) <br /> • <br /> � i <br />