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rr � lllr llllr r r r � r llr rr r r■1 r r Illlr ■� III. lllr <br /> Table 9 <br /> C-Sparge System Pilot Test <br /> Groundwater Chemical Analytical Data <br /> Former Unocal Service Station#0187 <br /> 437 East Miner Avenue, Stockton <br /> Sample DO TPHg Benzene Toluene Ethylbenzene Xylenes MTBE <br /> Well ID Date (p m) (ppb) (p b) ( b) (p b) (ppb) (ppb) <br /> U-10 11/29/03 7.9 150 <0.50 6.1 <0.50 <1.00 <0.50,31 <br /> (Cont.) 02/17/04 0.60 230 <0.50 <0.50 <0.50 <1.00 <0.501'1 <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 /> 09/23/04 <50 0.72 0.55 <0.50 1.1 - <br /> 10/22l04 <50 <0.50 <0.50 <0.50 <1.0 -- <br /> 11/18/04 <50 0.72 1.2 <0.50 1.1 <0.50 <br /> 12/29/04 <50 <0.50 <0.50 <0.50 <1.0 -- <br /> 06940-325 15 ENSR Corporation <br />