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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 m) b) (ppb) b) b) b) (ppb) <br /> NP-1-65(con't) 08/13-15/0111 ---- 5,9001'1 160 980 180 870 <100/<2.0131 <br /> 11/26-28/OI f 1 ---- 19,000121 320 2,400 450 2,600 <1,000/<50131 <br /> 02/25-27/02f1 ---- 32,000141 440 3,800 900 3,900 <500/<5.0131 <br /> 05/07-09/02f1 ---- 10,000"1 82 700 230 940 <250/<5.0131 <br /> 05/21/02 ---- 5,100 65 480 84 820 120 <br /> 06/19/02 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> 07/19/02 ---- 4,700 140 730 300 670 <100 <br /> 8/12-1410211 ---- 2,800 81 320 190 120 43/<I.0131 <br /> 08/22/02 ---- 2,500 91 350 180 210 <50 <br /> 09/20/02 ---- 6,000 130 640 400 1,300 <50 <br /> 10/21/02 ---- 3,500 82 270 260 820 <120 <br /> 11/05-06/021`1 ---- 5,700 110 250 400 1,300 <100/<2.0131 <br /> 11/21/02 ---- 2,800 71 94 210 760 <100 <br /> 12/18/02 ---- 4,000 69 160 320 910 <80 <br /> 01/23/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 02104-06/0311 ---- 5,200 120 110 460 1,200 52/<20131 <br /> 03/21/03 ---- 1,300 21 18 58 100 12 <br /> 04/22/03 ---- 3,800 100 68 530 630 67 <br /> 05/20/03 ---- 4,200 120 120 450 540 79 <br /> 5127-30/03{1 ---- 3,100 98 110 560 750 18/<2.511 <br /> 06/20/03 ---- 2,500 67 80 310 430 36 <br /> 07/22/03 ---- 1,100 36 24 120 170 <8.0 <br /> 08/22/03 ---- 1,600 47 37 150 200 <10 <br /> 8/26-29/031" ---- I,600 46 35 200 250 56/<0.50131 <br /> 09/18/03 ---- 1,100 23 16 98 130 <0.50 <br /> NP-1-111 11/20-22/00f1 ---- 210121 11.8 2.55 0.612 1.83 <5.00/<2.00131 <br /> 240042.11-3 5 <br />