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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) (ppb) b) b) b) b) b) <br /> U-3/11aseline 11/20-22/0011 ---- 12,3001'1 515 65.0 1,460 1,290 450/<20.0131 <br /> 02/26-27/01 1'1 ---- 279 0.750 0.657 <0.500 793 <2.50/<2.0131 <br /> 05/14-16/011'1 ---- <50.0 <0.500 <0.500 <0.500 <0.500 <5.00/<2.00131 <br /> 08/13-15/011'1 ---- <50 <0.50 0.72 <0.50 <0.50 <5.0/<2.0131 <br /> 11/26-28/01f1 ---- 1,600121 17 7.6 33 44 <25/3.1 13J <br /> 02/25-27/0211 ---- 92141 <0.50 0.55 2.4 2.8 <5.01<1.0131 <br /> 05/07-09/021" ---- <50 <0.50 <0.50 <0.50 <0.50 <5.0/<1.0131 <br /> 05/21/02 ---- <50 <0.50 <0.50 <0.50 <0.50 4.5 <br /> 06/19/02 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> 07/19/02 ---- 590161 6.0 1.8 6.3 5.2 <2.5 <br /> 08/12-14/0211 ---- <50 <0.50 <0.50 <0.50 <0.50 X2.5/<1.0131 <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 /> I1/05-06/02111 --- 220 2.1 <0.50 2.4 1.9 <2.5/<2,0131 <br /> 11/21/02 ---- 170 <0.50 <0.50 2.0 <0.50 <2.5 <br /> 12/18/02 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 01/23/03 ---- 150 3.3 <0.50 0.5 2.1 <2.0 <br /> 02/04-06/03"] ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0/<2.0L1 <br /> 03/21/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 04/22/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 05/20/03 ---- 190 39 3.1 2.0 30 <2.0 <br /> 05/27-30/0311 ---- 150 1.2 <0.50 <0.50 0.74 <2.0/<0.50131 <br /> 06/20/03 ---- <50 1.5 <0.50 <0.50 <0.50 <2.0 <br /> 07/22/03 ---- 230 1.8 0.59 1.7 2.3 <2.0 <br /> 08/22/03 ---- 550 5.4 3.3 5.3 3.0 <2.0 <br /> 8/26-29/03"' ---- 350 4.3 2.0 2.4 2.6 <2.0/<0.50131 <br /> 240042.11-3 1 <br />