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Table 9 <br /> C-Sparge System Pilot Test <br /> Groundwater Chemical Analytical Data <br /> Former Uncal Service Station#0187 <br /> 437 East Miner Avenue, Stockton <br /> Sample DO TPHg Benzene Toluene Ethylbenzene Xylenes MtBE <br /> Well ID Date (ppm) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> 05/21/02 ---- 200161 4.9 0.55 0.54 <0.50 17 <br /> NP-2-22 06/19/02 ---- 3501fil 9.7 0.99 <0.50 <0.50 38 <br /> (Cont.) 07/19/02 - 52 1.1 <0.50 <0.50 <0.50 6 <br /> 8112-1410211 - <50 <0.50 1.1 <0.50 0.71 <2.5/<1.013J <br /> 08/22/02 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> 09/20/02 - <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> 10/21/02 -- <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> 11105-06/02f1' ---- <50 <0.50 <0.50 <0.50 <0.50 <2.5/<2.0[31 <br /> 11/21/02 - <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> 12/18/02 - <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 01/23/03 - <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 02!04-061031'1 --_ <50 <0.50 <0.50 <0.50 <0.50 <2.01<2.0131 <br /> 03/21/03 - <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 04/22/03 - 1701&1 2.7 <0.50 <0.50 <0.50 11 <br /> 05/20/03 ---- 140 1.4 <0.50 <0.50 <0.50 4.1 <br /> 5127-3010311 - <50 <0.50 <0.50 <0.50 <0.50 <2.01<0.50131 <br /> 06/20/02 ---- 140 1.4 <0.50 <0.50 0.74 4.2 <br /> 07/22/03 ---- <50 <0.50 <0.50 <0.50 0.59 <2.0 <br /> 08/22/03 ---- 750 7.4 5.2 9.4 6.2 <4.0 <br /> 8/26-29103111 - <50 <0.50 <0.50 <0.50 <0.50 <2.01<0.5031 <br /> 09/18/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 10/16/03 - 3001" 40 4.5 1.8 11 <2.0 <br /> 12/02/03 7.7 <50 <0.50 <0.50 <0.50 <1.0 <0.50131 <br /> 02/18/04 1.53 <50 <0.50 <0.50 <0.50 <1.0 14131 <br /> 04/19/04 <50 <0.50 <0.50 <0.50 <1.0 <0.50 <br /> 05/20/04 <50 0.63 <0.50 <0.50 <1.0 - <br /> 08116/04 <50 <0.50 <0.50 <0.50 <1.0 <0.501'1 <br /> 06940_0 0 ENSW-tion <br />