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r r r r r r Ir ■r r Ir Ir r r rr r r r r r <br /> Table 9 <br /> jj 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 (ppm) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> NP-1-111 07/22/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> (Cont.) 08/22103 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 8126-29/031'1 --- <50 <0.50 <0.50 <0.50 <0.50 <2.0/<0.50131 <br /> 09/18/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> l <br /> 10/16/03 --- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 12/02/03 8.6 <50 <0.50 <0.50 <0.50 <1.00 <0.5o", <br /> 02/18/04 0.65 <50 <0.50 <0.50 <0.50 <1.00 <0.50131 <br /> 04/19/04 -- -- -- -- -- -- <br /> 05/20/04 -- <50 0.57 <0.50 <0.50 1.1 -- <br /> 08/78/04 -- <50 <0.50 <br /> <0.72 <0.50 <1.0 <0.5013, <br /> 09/23/04 -- <50 0.68 <0.50 <0.50 <1.0 -- <br /> 10/22/04 -- <50 1.1 <0.50 <0.50 <1.0 -- <br /> 11/17/04 -- <50 <0.50 <0.50 <0.50 <1.0 <0.50 <br /> 12/29/04 -- <50 0.75 <0.50 <0.50 <1.0 -- <br /> 01/28/05 -- 85 0.71 3.5 <0.50 1.1 -- <br /> 02/14/05 -- <50 <0.50 0.59 <0.50 <1.0 <1.0 <br /> NP-2-22 11120-22100111 ---- 431 t2 4.20 4.06 2.25 2.85 <5.001<2.00131 <br /> 12/0710d'I ---- 630,2, 5.48 3.29 3.02 1.57 --- <br /> Baseline 1218/00 1.70 520 1.4 0.64 2.7 3.2 5.2 <br /> 12/19100 6.45 490 58 9.2 24 34 26 <br /> 12/26/00 3.47 559 15.6 4.18 10.3 16.8 <2.50 <br /> 01/02/01 ---- 668 23.4 6.92 33.1 54.6 <2.50 <br /> 01/09/01 2.15 302 2.93 1.16 6.08 7.24 <2.50 <br /> 01/16/01 2.23 361 0.612 1.83 5.77 6.97 <5.00 <br /> 01/23/01 2.71 299 1.65 <0.500 3.11 7.52 <2.50 <br /> i <br /> 01/30101 2.09 245 1.53 <0.500 2.53 6.58 425 <br /> 02/06/01 2.30 414 1.31 <0.500 0.516 1.27 <2.50 <br /> 02/13/01 3.81 377 2.26 <0.500 1.38 0.850 <2.50 <br /> 06940-325 7 ENSR Corporation <br />