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r r r r r r r � rr r r r■r a■� r■r r r r r r <br /> Table 9 <br /> C-Sparge System Pilot Test <br /> Groundwater Chemical Analytical Data <br /> i Former Unocal Service Station#0187 <br /> 437 East Miner Avenue, Stockton <br /> Sample DO TPHg Benzene Toluene Etihylbenzene Xylenes MTBE <br /> Well ID Date (ppm) (ppb) (ppb) (ppb) (ppb) (ppb) (p b) <br /> NP-1-65 02/18/04 1.50 5,800 160 290 750 570 <0.5013f <br /> (Cont.) 04/19/04 -- -- -- -- -- -- <br /> 05/20/04 -- 3,500 72 99 630 210 <br /> 08/16/04 -- 4,500 56 58 450 140 <10.013, <br /> 09123/04 -- 1,500 <5.0 8.9 260 26 -- <br /> 10/22/04 -- 680 19 5.3 190 9.8 -- <br /> 11/16/04 -- 2,100 14 55 100 130 <0.50 <br /> 12/29/04 -- 1,100 22 26 130 37 -- <br /> 01/28/05 -- 240 <0.50 3.6 0.90 15 -- <br /> 02115105 -- 1,300 9.7 49 57 110 <0.50 <br /> f1 f 21 121 <br /> NP-1-111 11120-22100 --- D 11.8 2.55 0.612 1.83 <5.00/<2.00131 <br /> 12/07100111 ---- 260121 12.9 0.666 0.585 <0.500 ---- <br /> Baseline 1218/00 3.35 170 4.8 <0.50 <0.50 0.86 4.1 <br /> 12/19/00 5.27 180 3.4 0.69 <0.50 2.1 3.3 <br /> 4, 12126/00 3.86 80.0 2.50 <0.500 <0.500 <0.500 <2.50 <br /> 01!02101 ---- 116 3.55 <0.500 <0.500 <0.500 <2.50 <br /> 01/09/01 7.08 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 <br /> 01/16/01 4.14 <50.0 <0.500 <0.500 <0.500 <0.500 <5.00 <br /> 01/23101 4.24 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 <br /> 01/30/01 2.76 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 <br />�I <br /> 02/06/01 3.44 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 <br /> 02/13/01 4.30 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 <br /> 02/21101 4.04 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 <br /> 2/26-27/011'1 -_-- <50.0 <0.500 <0.500 <0.500 <0.500 <2.50/<2.0131 <br /> 03/06/01 4.82 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 <br /> 03/13/01 3.29 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 <br /> 03/27/01 3.76 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 <br /> 04/10/01 4.32 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 <br /> 06940-325 6 ENSR Corporation <br />