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• � s <br /> Table 1 - C-Sparge System Pilot Test Groundwater Chemical Analytical Data <br /> Former Unocal Service Station#0187 <br /> 437 East Miner Avenue <br /> Stockton,California <br /> Sample DO TPHg Benzene Toluene Ethylbenzene Xylenes MtBE <br /> Well ID Date (ppm) b) (ppb) b) b) (ppb) b) <br /> Baseline 1218/00 1.70 520 1.4 0.64 2.7 3.2 5.2 <br /> NP-2-22(con't) 12/19/00 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 4.50 <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 /> 01/30/01 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 4.50 <br /> 02/13/01 3.81 377 2.26 <0.500 1.38 0.850 <2.50 <br /> 02/21/01 2.02 337 3.21 <0.500 1.42 1.96 <2.50 <br /> 2126-27/01 Ell ---- 204 1.52 0.733 0.634 1.06 <2.50/<2.0131 <br /> 03/06/01 2.12 329 13.4 2.69 3.05 8.23 <2.50 <br /> 03/13/01 1.97 347 14.5 3.56 2.82 4.10 13.4 <br /> 03/27/01 1.89 346 22.3 <0.500 6.02 9.69 16.6 <br /> 04/10/01 2.31 409 29.3 <2.50 5.41 6.97 27.4 <br /> 04/24/01 2.72 439 32.7 4.79 5.76 4.14 <12.5 <br /> 05/08/01 2.68 190 27.2 3.56 4.92 3.95 4.38 <br /> 05114-16/0111 ---- 373'21 19.5 3.00 4.21 1.87 <5.00/<2.00,3, <br /> 05/22/01 2.00 294 11.0 0.551 1.75 4.47 5.74 <br /> 06/05/01 ---- 180 7.1 1.4 1.2 1.4 3.1 <br /> 06/19/01 2.40 64 1.3 <0.50 <0.50 <0.50 <2.5 <br /> 07/03/01 2.39 100 5.2 <1.0 <1.0 <1.0 <5.0 <br /> 07/17/01 4.24 130 2.1 0.57 <0.50 1.4 4.3 <br /> 07/31/01 ---- 180 1.1 <0.50 0.60 0.53 <2.5 <br /> 08113-15/O1E11 ---- 100E�1 1.8 2.4 0.78 1.2 <5.0/4.0131 <br /> 11126-28/01111 ---- 13051 <0.50 2.5 <0.50 1.8 <5.0/1,6L31 <br /> 240042.11-3 $ <br />