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Table 9 <br /> C-Sparge System Pilot Test <br /> Groundwater Chemical Analytical Data <br /> Former Unocal Servioe Station#0187 <br /> 437 East Miner Avenue, Stockton <br /> Sample DO TPHg Benzene Toluene Ethylbenzene Xylenes MtBE <br /> Well ID Date (ppm) (ppb) (ppb) (p& (ppb) (ppb) (ppb) <br /> 11/21/02 - <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> U-10 12/18/02 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> (Cont.) 01/23/03 - <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 02104-061031+3 - 99 1.8 <0.50 <0.50 <0.50 4.21<2.0133 <br /> 03/21/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 04/22/03 - 160161 3.5 <0.50 <0.50 <0.50 12 <br /> 05/20/03 ---- 200 2.4 <0.50 <0.50 <0.50 6.6 <br /> 05127-30103113 - 140 1.5 1.4 <0.50 1.6 4.910.76133 <br /> 06/20/03 - 130 1.3 <0.50 <0.50 0.71 4.2 <br /> 07/22/03 ---- 130 0.69 <0.50 <0.50 0.59 <2.0 <br /> 08122/03 - 700 6.7 4.7 8.5 5.6 <2.0 <br /> 8126-2910VI ---- <50 <0.50 <0.50 <0.50 X0.50 <2.01<0.50133 <br /> 09/18/03 --- <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 10/16/03 - <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 11/29/03 7.9 150 <0.50 6.1 <0.50 <1.00 <0.56" <br /> 02/17/04 0.60 230 <0.50 <0.50 <0.50 <1.00 <0.50133 <br /> 04/19/04 <50 0.56 1.2 1.2 4.5 <0.504 <br /> 05/20/04 <50 0.58 0.81 <0.50 <1.0 -- <br /> 08/16/04 <50 0.73 1.5 <0.50 1.3 <0.50131 <br /> 06940-0 ! ENS10oration <br /> � ilk � � � � I� � � � � i■� � � � I• i• � <br />